Skip to content
Quantum Control and Dynamics

Publications

Submitted articles

  1. Teemu Pukkila, Jani Rankinen, Leo-Pekka Lyytikäinen, Niku Oksala, Kjell Nikus, Esa Räsänen, Jussi Hernesniemi, Repeated Heart Rate Variability Monitoring After Myocardial infraction – Cohort profile of the MI-ECG study, submitted to American Heart Journal (2024).
  2. Esa Räsänen, Niko Gullsten, Otto Pulkkinen, and Tuomas Virtanen, Timing and Dynamics of the Rosanna Shuffle, submitted (2024). https://arxiv.org/abs/2411.06892
  3. Jiyeong Kim-Poikkimäki, Disheet Shah, Matti Molkkari, Aliisa Lönnrot, Joose Kreutzer, Pasi Kallio, Katriina Aalto-Setälä, and Esa Räsänen, Beat rate variability in human cardiomyocytes during hypoxia and reperfusion, submitted (2024).
  4. Teemu Pukkila, Matti Molkkari, Jussi Hernesniemi, Matias Kanniainen, and Esa Räsänen, Detection of congestive heart failure from RR intervals during long-term ECG recordings, submitted to Heart Rhythm (2024).
  5. Matias Kanniainen, Vesa Laatikainen-Raussi, Teemu Pukkila, Krista Vohlakari, Esa Hynynen, Johanna K. Ihalainen, and Esa Räsänen, Estimation of Aerobic and Anaerobic Thresholds in Running Using Dynamical Correlations of Heart Rate Variability, submitted to Physiological Reports (2024).
  6. Esko Toivonen, Joni Kaipainen, Matti Molkkari, Joonas Keski-Rahkonen, Rainer Klages, Esa Räsänen, Anomalous Diffusion in the Square Soft Lorentz Gas, submitted to Physical Review E (2024); https://arxiv.org/abs/2409.14965
  7. Jimi Kokkonen, Jiyeong Kim-Poikkimäki, Teemu Pukkila, and Esa Räsänen, Dynamical cross-correlations between RR and QT intervals in long-term electrocardiogram recordings, submitted to Scientific Reports (2024); https://arxiv.org/abs/2410.02233
  8. Aliisa Lönnrot, Elias Kuusela, Jiyeong Kim-Poikkimäki, Pekka Taimen, Tiina Heliö, Joose Kreutzer, Pasi Kallio, Esa Räsänen, Mari Pekkanen-Mattila, Katriina Aalto-Setälä, Patient-derived Lamin A/C Mutant Cardiomyocytes Demonstrate Altered Electrophysiological Characteristics and Responses to Hypoxia Induced Stress in Acute Cardiac Ischemia Model, submitted to Biomedical and Biophysical Research Communications (2024).

Articles in refereed journals

    1. Alexandre Wagemakers, Aleksi Hartikainen, Alvar Daza, Esa Räsänen, and Miguel A.F. Sanjuan, Chaotic dynamics creates and destroys branched flow, Physical Review E (in print). https://arxiv.org/abs/2406.12922
    2. Simo Selinummi, Joonas Keski-Rahkonen, Fartash Chalangari, and Esa Räsänen, Formation, prevalence and stability of bouncing-ball quantum scars, Physical Review B 110, 235420 (2024).
    3. Teemu Pukkila, Jussi Hernesniemi, Matti Molkkari, Matias Kanniainen, Kjell Nikus, Leo-Pekka Lyytikäinen, Terho Lehtimäki, Jari Viik, Mika Kähönen, Esa Räsänen, Unique RR Interval Dynamics Preceding Sudden Cardiac Death, Computing in Cardiology 51 (2024).
    4. Matias Kanniainen, Teemu Pukkila, and Esa Räsänen, Combination of QTc and RR Analysis in the Detection of Long QT Syndrome, Computing in Cardiology 51 (2024).
    5. Venla Koivunen, Teemu Pukkila, Jari Hyttinen, Esa Räsänen, Jussi T. Koivumäki, Beat-to-Beat Variability in Computational hv-CM and hiPSC-CM Models, Computing in Cardiology 51 (2024).
    6. Matias Kanniainen, Teemu Pukkila, Katriina Aalto-Setälä, and Esa Räsänen, Relevance of Accurate QT Correction in the Assessment of Long QT Syndrome, Journal of Electrocardiology 87, 153790 (2024).
    7. Jussi Hernesniemi, Teemu Pukkila, Matti Molkkari, Kjell Nikus, Leo-Pekka
      Lyytikäinen, Terho Lehtimäki, Jari Viik, Mika Kähönen, Esa Räsänen, Prediction of sudden cardiac death with ultra-short-term heart rate fluctuations, JACC: Clinical Electrophysiology 10, 2010 (2024)
    8. Esko Toivonen and Esa Räsänen, Time-series analysis approach to the characteristics and correlations of wastewater variables measured in paper industry, Journal of Water Process Engineering 61 (2024).
    9. Matias Kanniainen, Teemu Pukkila, Joonas Kuisma, Matti Molkkari, Kimmo Lajunen, and Esa Räsänen, Estimation of Physiological Exercise Thresholds Based on Dynamical Correlation Properties of Heart Rate Variability, Frontiers in Physiology 14 (2023).
    10. Teemu Pukkila, Matti Molkkari, Matias Kanniainen, Jussi Hernesniemi, Kjell Nikus, Leo-Pekka Lyytikäinen, Terho Lehtimäki, Jari Viik, Mika Kähönen, and Esa Räsänen, Effects of Beta Blocker Therapy on RR Interval Correlations During Exercise, Computing in Cardiology 50 (2023) 10.22489/CinC.2023.104
    11. Matias Kanniainen, Teemu Pukkila, Matti Molkkari, and Esa Räsänen, Effect of Diurnal Rhythm on RR Interval Correlations of Long QT Syndrome, Computing in Cardiology 50 (2023) 10.22489/CinC.2023.287
    12. T. Pukkila, M. Molkkari, J. Kim, and E. Räsänen, Reduced RR Interval Correlations of Long QT Syndrome Patients, Computing in Cardiology 49 (2022) 10.22489/CinC.2022.284
    13. E. Räsänen, T. Pukkila, M. Kanniainen, M. Miettinen, R. Duda, J. Kim, J. Solanpää, K. Aalto-Setälä, and I. Potapov, Accurate QT Correction Method from Transfer Entropy, Cardiovascular Digital Health Journal 4, 1-8 (2022).
    14. J. Kim, M. Kanniainen, I. Potapov, and E. Räsänen, Transfer Entropy between RR and QT Intervals in Long QT Syndrome, Computing in Cardiology, 49 (2022) 10.22489/CinC.2022.273
    15. E. Toivonen, M. Molkkari, E. Räsänen, and L. Laurson,
      Asymmetric roughness of elastic interfaces at the depinning threshold,
      Physical Review Letters 129, 175701 (2022)
    16. Esa Räsänen, Ilya Potapov, Janne Solanpää and Katriina Aalto-Setälä,
      Towards Accurate and Model-Free QT Correction,
      Computing in Cardiology 48 (2021) 10.23919/CinC53138.2021.9662828
    17. Teemu Pukkila, Matti Molkkari and Esa Räsänen
      Dynamical Heart Beat Correlations During Complex Tasks – A Case Study in Automobile Driving,
      Computing in Cardiology 48 (2021) 10.23919/CinC53138.2021.9662676
    18. Alvar Daza, Eric J. Heller, Anton M. Graf, and Esa Räsänen,
      Propagation of waves in high Brillouin zones: Chaotic branched flow and stable superwires,
      Proc. Natl. Acad. Sci. 118, e2110285118 (2021)
    19. R. Duda, J. Keski-Rahkonen, J. Solanpää, and E. Räsänen,
      TINIE — a software package for electronic transport through two-dimensional cavities,
      Comput. Phys. Comm. 270, 108141 (2021).
    20. A. Guandalini, A. Ruini, E. Räsänen, C. Rozzi and S. Pittalis,
      Density-functional approach to the band gaps of finite and periodic two-dimensional systems,
      Phys. Rev. B 104, 085110 (2021).
    21. K. Bencheikh, A. Putaja, and E. Räsänen,
      Airy gas model in one, two and three dimensions,
      J. Phys. A: Math. Theor 54, 255302 (2021).
    22. M. Molkkari, J. Solanpää, and E. Räsänen,
      Online Tool for Dynamical Heart Rate Variability Analysis,
      Computing in Cardiology 47 (2020); 10.22489/CinC.2020.280
    23. M. Molkkari, G. Angelotti, T. Emig, and E. Räsänen,
      Dynamical Heart Beat Correlations During Running,
      Sci. Rep. 10, 13627 (2020)
    24. M. Molkkari, M. Tenhunen, A. Tarniceriu, A. Vehkaoja, S.-L. Himanen, and E. Räsänen,
      Non-Linear Heart Rate Variability Measures in Sleep Stage Analysis with Photoplethysmography,
      Computing in Cardiology 46 (2019); 10.22489/cinc.2019.287
    25. J. Keski-Rahkonen, A. Ruhanen, E. J. Heller, and E. Räsänen,
      Quantum Lissajous Scars,
      Phys. Rev. Lett. 123, 214101 (2019)
    26. A. Guandalini, C. A. Rozzi, S. Pittalis, and E. Räsänen,
      Fundamental gaps for quantum dots on the cheap,
      Phys. Rev. B 99, 125140 (2019)
    27. J. Kim, D. Shah, I. Potapov, J. Latukka, K. Aalto-Setälä, and E. Räsänen,
      Scaling and correlation properties of RR and QT intervals at the cellular level,
      Scientific Reports 9, 3651 (2019)
    28. S. Gil-Gallegos, R. Klages, J. Solanpää, and E. Räsänen,
      Energy-dependent diffusion in a soft periodic Lorentz gas,
      European Physical Journal 228, 143 (2019)
    29. R. Klages, S. Gil-Gallegos, J. Solanpää, M. Sarvilahti, and E. Räsänen,
      Normal and Anomalous Diffusion in Soft Lorentz Gases,
      Phys. Rev. Lett. 122, 064102 (2019)
    30. J. Keski-Rahkonen, P. J. J. Luukko, S. Åberg, and E. Räsänen,
      Effects of scarring on quantum chaos in disordered quantum wells,
      J. Phys.: Cond. Matt. 31, 105301 (2019)
    31. I. Potapov and E. Räsänen,
      Detection of ST-Segment Variation in ECG Using Transfer Entropy,
      Computing in Cardiology 45 (2018); 10.22489/CinC.2018.085
    32. J. Kim, I. Potapov, D. Shah, J. Kuusela, K. Aalto-Setälä, and E. Räsänen,
      Intrinsic Complexity of RR and QT Intervals at the Cellular Level,
      Computing in Cardiology 45 (2018); 10.22489/CinC.2018.179
    33. M. Molkkari and E. Räsänen,
      Robust Estimation of the Scaling Exponent in Detrended Fluctuation Analysis of Beat Rate Variability,
      Computing in Cardiology 45 (2018); 10.22489/CinC.2018.219
    34. J. Solanpää and E. Räsänen,
      On the control of Rydberg state populations with realistic femtosecond laser pulses,
      Phys. Rev. A 98, 053422 (2018)
    35. I. Potapov, J. Latukka, J. Kim, P. J. J. Luukko, K. Aalto-Setälä, and E. Räsänen,
      Information transfer in QT-RR dynamics: Towards a model-free QT correction method,
      Scientific Reports 8, 14992 (2018)
    36. I. Kylänpää and E. Räsänen,
      Path integral Monte Carlo benchmarks for two-dimensional quantum dots,
      Phys. Rev. B 96, 205445 (2017)
    37. Martin Magris, Jiyeong Kim, Esa Räsänen and Juho Kanniainen,
      Long-range autocorrelations in limit order book markets: inter- and cross-event analysis,
      2017 IEEE Symposium Series on Computational Intelligence (2017)
    38. J. Keski-Rahkonen, P. J. J. Luukko, L. Kaplan, E. J. Heller, and E. Räsänen,
      Controllable Quantum Scars in Quantum Dots,
      Phys. Rev. B 96, 094204 (2017)
    39. I. Potapov, S. Haverinen, J. Viik, and E. Räsänen,
      Nonlinear Effects of Winter Swimming and Sauna Recreational Activities on the Heart Rate Variability,
      Computing in Cardiology 44 (2017); 10.22489/CinC.2017.151-256
    40. J. Kim, J. Kuusela, K. Aalto-Setälä, and E. Räsänen,
      Short- and long-term correlations in beat rate variability of human induced pluripotent stem cell- derived cardiomyocytes,
      Computing in Cardiology 44 (2017); 10.22489/CinC.2017.207-155
    41. A. Odriazola, J. Solanpää, I. Kylänpää, A. Gonzalez, and E. Räsänen,
      Universal scaling relations for the energies of many-electron Hooke’s atoms,
      Phys. Rev. A 95, 042511 (2017)
    42. J. Solanpää, M. F. Ciappina, and E. Räsänen,
      Optimal control of photoelectron emission by realistic waveforms,
      J. Mod. Opt. 64, 1784 (2017)
    43. P. J. J. Luukko, B. Drury, A. Klales, L. Kaplan, E. J. Heller, and E. Räsänen,
      Strong quantum scarring by local impurities,
      Scientific Reports 6, 37656 (2016)
    44. J. Kuusela, J. Kim, E. Räsänen, and K. Aalto-Setälä,
      The effects of pharmacological compounds on beat rate variations in human long QT-syndrome cardiomyocytes,
      Stem Cell Reviews and Reports 12, 698 (2016)
    45. I. Kylänpää, F. Cavaliere, N. Traverso Ziani, M. Sassetti, and E. Räsänen,
      Thermal effects and Friedel oscillations in many-electron nanowires,
      Phys. Rev. B 94, 115417 (2016)
    46. I. Kylänpää, F. Berardi, E. Räsänen, P. Garcia-Gonzalez, C. A. Rozzi, and A. Rubio,
      Stability of the Dirac code in artificial graphene formed in quantum wells: A computational many-electron study,
      New J. Phys. 18, 083014 (2016)
    47. N. I. Shvetsov-Shilovski, M. Lein, L. B. Madsen, E. Räsänen, C. Lemell, J. Burgdörfer, D. G. Arbó, and K. Tokési,
      Semiclassical two-step model for strong-field ionization,
      Phys. Rev. A 94, 013415 (2016)
    48. I. Kylänpää and E. Räsänen,
      Extended Ewald Summation Technique,
      Comput. Phys. Comm. 206, 64 (2016)
    49. S. Paavilainen, M. Ropo, J. Nieminen, J. Akola, and E. Räsänen,
      Co-existing honeycomb and Kagome characteristics in the electronic band structure of molecular graphene,
      Nano Lett. 16, 3519 (2016)
    50. A. Putaja, F. Eich, T. Baldsiefen, and E. Räsänen,
      Validity of power functionals for a homogeneus electron gas in reduced density-matrix functional theory,
      Phys. Rev. A 93, 032503 (2016)
    51. K. Bencheikh and E. Räsänen,
      Hermitian one-particle density matrix through a semiclassical gradient expansion,
      J. Phys. A 49, 015205 (2016)
    52. J. Solanpää, P. J. J. Luukko, and E. Räsänen,
      Bill2D – a software package for classical two-dimensional Hamiltonian systems,
      Comput. Phys. Comm. 199, 133 (2016)
    53. P. J. J. Luukko, J. Helske, and E. Räsänen,
      Introducing LIBEEMD: a C library, a Python module, and an R package for performing the ensemble empirical mode decomposition,
      Comput. Stat. 31, 545 (2016)
    54. I. Kylänpää, M. Aichinger, S. Janecek, and E. Räsänen,
      Finite-size effects and interactions in artificial graphene formed by repulsive scatterers,
      J. Phys.: Condens. Matt. 27, 42 (2015)
    55. E. Räsänen, O. Pulkkinen, T. Virtanen, M. Zollner, and H. Hennig,
      Fluctuations of Hi-Hat Timing and Dynamics in a Virtuoso Drum Track of a Popular Music Recording,
      PLoS ONE 10(6): e0127902 (2015)
    56. N. I. Shvetsov-Shilovski, L. Madsen, and E. Räsänen,
      Suppression of strong-field ionization by optimal pulse shaping: Application to hydrogen and hydrogen molecular ion,
      Phys. Rev. A 91, 023425 (2015)
    57. D. S. Acosta Coden, R. H. Romero, and E. Räsänen,
      Controlled high-fidelity navigation in the charge stability diagram of a double quantum dot,
      J. Phys.: Condens. Matt. 27, 115303 (2015)
    58. E. Räsänen, A. Odriazola, I. Makkonen, and A. Harju,
      Self-consistent energy approximation for orbital-free density-functional theory,
      Physica Status Solidi B 252, 496 (2015)
    59. Matti Ropo, Sami Paavilainen, Jaakko Akola, and Esa Räsänen,
      Density-functional investigation on molecular graphene: CO on Cu(111),
      Phys. Rev. B 90, 241401(R) (2014)
    60. A. Odriazola, A. Gonzalez, and E. Räsänen,
      Scaling in the correlation energies in atomic ions,
      Phys. Rev. A 90, 052510 (2014)
    61. J. Solanpää, J. A. Budagosky, N. I. Shvetsov-Shilovski, A. Castro, A. Rubio, and E. Räsänen,
      Optimal control of high-harmonic generation by intense few-cycle pulses,
      Phys. Rev. A 90, 053402 (2014)
    62. N. Shvetsov-Shilovski and E. Räsänen,
      Stable and efficient momentum-space solutions of the time-dependent Schrödinger equation for one-dimensional atoms in strong laser fields,
      J. Comp. Phys. 279, 174 (2014)
    63. A. Crawford-Uranga, U. De Giovannini, E. Räsänen, M. J. T. Oliveira, D. J. Mowbray, G. M. Nikolopoulos, E. Karamatskos, D. Markellos, P. Lambropoulos, S. Kurth, and A. Rubio,
      Time-dependent Density-functional theory of strong-field ionization of atoms under soft X-Rays,
      Phys. Rev. A 90, 033412 (2014)
    64. A. Odriazola, A. Gonzales, and E. Räsänen,
      Prediction of quantum-dot characteristics through universal scaling relations,
      J. Phys.: Condens. Matter 26, 355501 (2014)
    65. M. Aichinger, S. Janecek, I. Kylänpää, and E. Räsänen,
      Dirac physics in flakes of artificial graphene in magnetic fields,
      Phys. Rev. B 89, 235433 (2014)
    66. Y. Mardoukhi and E. Räsänen,
      Optimal control of charge with local gates in quantum-dot lattices,
      Eur. Phys. J. B 87, 144 (2014)
    67. N. I. Shvetsov-Shilovski, E. Räsänen, G. G. Paulus, and L. B. Madsen,
      Asymmetric photoelectron momentum distributions due to quantum interference in strong-field ionization by a few-cycle pulse,
      Phys. Rev. A 89, 043431 (2014)
    68. J. G. Vilhena, E. Räsänen, M. A. L. Marques, and S. Pittalis,
      Construction of the B88 Exchange-Energy Functional in Two Dimensions,
      J. Chem. Theory Comput. 10, 1837 (2014)
    69. K. Shibata, N. Pascher, P. Luukko, E. Räsänen, E. Schnez, T. Ihn, K. Ensslin and K. Hirakawa,
      Electron magneto-tunneling through single self-assembled InAs quantum dashes,
      Applied Physics Express 7, 045001 (2014)
    70. A. Odriazola, M. M. Ervasti, I. Makkonen, A. Delgado, A. Gonzalez, E. Räsänen, and A. Harju,
      Scaling in the correlation energies of two-dimensional artificial atoms,
      J. Phys.: Condens. Matt. 25, 505504 (2013)
    71. T. Frostad, J. P. Hansen, C. J. Wesslén, E. Lindroth, and E. Räsänen,
      Two-electron quantum dot in tilted magnetic fields: Sensitivity to the confinement model,
      Eur. Phys. J. B 86, 430 (2013)
    72. V. Kotimäki, E. Räsänen, H. Hennig, and E. J. Heller,
      Fractal dynamics in chaotic quantum transport,
      Phys. Rev. E 88, 022913 (2013)
    73. M. Hellgren, E. Räsänen, and E. K. U. Gross,
      Optimal control of strong-field ionization with time-dependent density-functional theory,
      Phys. Rev. A 88, 013414 (2013)
    74. E. Räsänen, A. Putaja, and Y. Mardoukhi,
      Optimal control strategies for coupled quantum dots,
      Cent. Eur. J. Phys. 11, 1066 (2013)
    75. T. Blasi, M. Borunda, E. Räsänen, and E. J. Heller,
      Optimal local control of coherent dynamics in custom-made nanostructures,
      Phys. Rev. B 87, 241303(R) (2013)
    76. J. Solanpää, J. Nokelainen, P. J. J. Luukko, and E. Räsänen,
      Coulomb-interacting billiards in circular cavities,
      J. Phys. A: Math. Theor. 46, 235102 (2013)
    77. H. Atci, U. Erkaslan, A. Siddiki, and E. Räsänen,
      Stability of spin droplets in realistic quantum Hall devices,
      J. Phys. Condens. Matter 25, 155604 (2013)
    78. A. Salman, V. Kotimäki, A. Siddiki, and E. Räsänen,
      Many-electron transport in Aharonov-Bohm interferometers: Time-dependent density-functional study,
      Eur. Phys. J. B 86, 155 (2013)
    79. E. Räsänen, S. Pittalis, G. Bekcioglu, and I. Makkonen,
      Large two-dimensional electronic systems: Self-consistent energies and densities at low cost,
      Phys. Rev. B 87, 035144 (2013)
    80. E. Räsänen and E. J. Heller,
      Optimal control of quantum revival,
      Eur. Phys. J. B 86, 17 (2013)
    81. P. J. J. Luukko and E. Räsänen,
      Imaginary time propagation code for large-scale two-dimensional eigenvalue problems in magnetic fields,
      Comput. Phys. Comm. 184, 769 (2013)
    82. E. Räsänen, T. Blasi, M. F. Borunda, and E. J. Heller,
      Optical control of entangled states in semiconductor quantum wells,
      Phys. Rev. B 86, 205308 (2012)
    83. Esa Räsänen and Lars Bojer Madsen,
      Strong-field ionization suppression by light field control,
      Phys. Rev. A 86, 033426 (2012)
    84. E. Räsänen, C. A. Rozzi, S. Pittalis, and G. Vignale,
      Electron-Electron Interactions in Artificial Graphene,
      Phys. Rev. Lett. 108, 246803 (2012)
    85. J. G. Vilhena, E. Räsänen, L. Lehtovaara, and M. A. L. Marques,
      Violation of the local form of the Lieb-Oxford bound,
      Phys. Rev. A 85, 052514 (2012)
    86. V. Kotimäki, E. Cicek, A. Siddiki, and E. Räsänen,
      Time-Dependent Transport in Aharonov-Bohm Interferometers,
      New J. Phys. 14, 053024 (2012)
    87. A. Putaja, E. Räsänen, R. van Leeuwen, J. G. Vilhena, and M. A. L. Marques,
      Kirzhnits gradient expansion in two dimensions,
      Phys. Rev. B 85, 165101 (2012)
    88. J. P. Hansen, S. A. Sorngård, M. Forre, and E. Räsänen,
      Quantitative modeling of spin relaxation in quantum dots,
      Phys. Rev. B 85, 035326 (2012)
    89. K. Shibata, K. Seki, P. J. J. Luukko, E. Räsänen K. M. Cha, I. Horiuchi, and K. Hirakawa,
      Electronic structures in single self-assembled InAs quantum dashes detected by nanogap metal electrodes,
      Appl. Phys. Lett. 99, 182104 (2011)
    90. M. Rogge, E. Räsänen, and R. J. Haug,
      Spin-droplet formation in quantum dots,
      AIP Conference Proceedings 1399, 301 (2011)
    91. E. Räsänen,
      Many‐body effects in quantum rings: From the Aharonov‐Bohm transport to the quantum Hall regime,
      AIP Conference Proceedings 1399, 363 (2011)
    92. E. Räsänen, A. Mühle, M. Aichinger, and R. J. Haug,
      Observation of sequential spin flips in quantum rings,
      Phys. Rev. B 84, 165320 (2011)
    93. J. Ojajärvi, E. Räsänen, S. Sadewasser, S. Lehmann, Ph. Wagner, and M. Ch. Lux-Steiner,
      Tetrahedral Chalcopyrite Quantum Dots for Solar-cell Applications,
      Appl. Phys. Lett. 99, 111907 (2011)
    94. J. Solanpää, P. J. J. Luukko, and E. Räsänen,
      Many-particle dynamics and intershell effects in Wigner molecules,
      J. Phys.: Condens. Matter. 23, 395602 (2011)
    95. M. Afshar, S. Sadewasser, J. Albert, S. Lehmann, D. Abou-Ras, D. Fuertes Marrón, A. A. Rockett, E. Räsänen and M. Ch. Lux-Steiner, Chalcopyrite Semiconductors for Quantum Well Solar Cells,
      Advanced Energy Materials 1, 1109 (2011)
    96. A. Putaja and E. Räsänen,
      Constraints of reduced density-matrix functional theory for the two-dimensional homogeneous electron gas,
      Phys. Rev. B 84, 035104 (2011)
    97. E. Räsänen, M. Seidl, and P. Gori-Giorgi,
      Strongly correlated uniform electron droplets,
      Phys. Rev. B 83, 195111 (2011)
    98. M. Oliveira, E. Räsänen, S. Pittalis, and M. A. L. Marques,
      Toward an All-Around Semilocal Potential for Electronic Exchange,
      J. Chem. Theory Comput. 6, 3664 (2010)
    99. S. Pittalis and E. Räsänen,
      Exchange-correlation potential with a proper long-range behavior for harmonically confined electron droplets,
      Phys. Rev. B 82, 195124 (2010)
    100. A. Putaja and E. Räsänen,
      Ultrafast sequential charge transfer in a double quantum dot,
      Phys. Rev. B 82, 165336 (2010)
    101. S. Pittalis and E. Räsänen,
      Laplacian-level density functionals for the exchange-correlation energy of low-dimensional nanostructures,
      Phys. Rev. B 82, 165123 (2010)
    102. M. C. Rogge, E. Räsänen, and R. J. Haug,
      Interaction-Induced Spin Polarization in Quantum Dots,
      Phys. Rev. Lett. 105, 046802 (2010)
    103. S. Sakiroglu and E. Räsänen,
      Colle-Salvetti-type local density functional for the exchange-correlation energy in two dimensions,
      Phys. Rev. A 82, 012505 (2010)
    104. V. Kotimäki and E. Räsänen,
      Aharonov-Bohm effect in many-electron quantum rings,
      Phys. Rev. B 81, 245316 (2010)
    105. E. Räsänen, S. Pittalis, and C. R. Proetto,
      Parameter-free density functional for the correlation energy in two dimensions,
      Phys. Rev. B 81, 195103 (2010)
    106. S. Pittalis, E. Räsänen, and C. R. Proetto,
      Becke-Johnson-type exchange potential for two-dimensional systems,
      Phys. Rev. B 81, 115108 (2010)
    107. E. Räsänen, S. Pittalis, J. G. Vilhena, and M. A. L. Marques,
      Semi-local density-functional for the exchange-correlation energy of electrons in two dimensions,
      Int. J. Quantum Chem. 110, 2308 (2010)
    108. E. Räsänen, S. Pittalis, and C. R. Proetto,
      Universal correction for the Becke-Johnson exchange potential,
      J. Chem. Phys. 132, 044112 (2010)
    109. M. Aichinger, S. Janecek, and E. Räsänen,
      Billiards in magnetic fields: A molecular dynamics approach,
      Phys. Rev. E 81, 016703 (2010) Selected for Kaleidoscope.
    110. E. Räsänen, S. Pittalis, C. R. Proetto, and K. Capelle,
      On the lower bound on the exchange-correlation energy in two dimensions,
      Physica E 42, 1236 (2010)
    111. E. Räsänen and S. Pittalis,
      Exchange and correlation energy functionals for two-dimensional open-shell systems,
      Physica E 42, 1232 (2010)
    112. A. Castro, E. Räsänen, A. Rubio, and E. K. U. Gross,
      Femtosecond laser pulse shaping for enhanced ionization,
      Europhys. Lett. 87, 53001 (2009)
    113. S. Pittalis and E. Räsänen,
      Orbital-free energy functional for electrons in two dimensions,
      Phys. Rev. B 80, 165112 (2009)
    114. S. Pittalis, E. Räsänen, and E. K. U. Gross,
      Gaussian approximations for the exchange-energy functional of current-carrying states: Applications to two-dimensional systems,
      Phys. Rev. A 80, 032515 (2009)
    115. A. Castro, E. Räsänen, and C. A. Rozzi,
      Exact Coulomb cutoff technique for supercell calculations in two dimensions,
      Phys. Rev. B 80, 033102 (2009)
    116. E. Räsänen, S. Pittalis, K. Capelle, and C. R. Proetto,
      Lower Bounds on the Exchange-Correlation Energy in Reduced Dimensions,
      Phys. Rev. Lett. 102, 206406 (2009)
    117. E. Räsänen, S. Pittalis, C. R. Proetto, and E. K. U. Gross,
      Electronic exchange in quantum rings: Beyond the local-density approximation,
      Phys. Rev. B 79, 121305(R) (2009)
    118. S. Pittalis, E. Räsänen, C. Proetto, and E. K. U. Gross,
      Correlation energy of finite two-dimensional systems:
      Toward nonempirical and universal modeling,
      Phys. Rev. B 79, 085316 (2009)
    119. S. Pittalis, E. Räsänen, J. G. Vilhena, and M. A. L. Marques,
      Density gradients for the exchange energy of electrons in two dimensions,
      Phys. Rev. A 79, 012503 (2009)
    120. E. Räsänen and M. Aichinger,
      Large quantum rings in the v>1 quantum Hall regime,
      J. Phys.: Condens. Matt. 21, 025301 (2009)
    121. S. Pittalis, E. Räsänen, and M. A. L. Marques,
      Local correlation functional for electrons in two dimensions,
      Phys. Rev. B 78, 195322 (2008)
    122. H. Saarikoski, E. Tölö, A. Harju, and E. Räsänen,
      Pfaffian and fragmented states at v=5/2 in quantum Hall droplets,
      Phys. Rev. B 78, 195321 (2008)
    123. N. Helbig, S. Kurth, S. Pittalis, E. Räsänen, and E. K. U. Gross,
      Exchange-correlation orbital functionals in current-density-functional theory:
      Application to a quantum dot in magnetic fields,
      Phys. Rev. B 77, 245106 (2008)
    124. E. Räsänen, A. Castro, and E. K. U. Gross,
      Electron localization function for two-dimensional systems,
      Phys. Rev. B 77, 115108 (2008)
    125. E. Räsänen, A. Castro, J. Werschnik, A. Rubio, and E. K. U. Gross,
      Optimal laser-control of double quantum dots,
      Phys. Rev. B 77, 085324 (2008)
    126. E. Räsänen, H. Saarikoski, A. Harju, M. Ciorga, and A. S. Sachrajda,
      Spin droplets in confined quantum Hall systems,
      Phys. Rev. B 77, 041302(R) (2008)
    127. S. Pittalis, E. Räsänen, N. Helbig, and E. K. U. Gross,
      Exchange-energy functionals for finite two-dimensional systems,
      Phys. Rev. B 76, 235314 (2007)
    128. E. Räsänen, A. Castro, J. Werschnik, A. Rubio, and E. K. U. Gross,
      Coherent quantum switch driven by optimized laser pulses,
      Physica E 40, 1593 (2007)
    129. E. Räsänen, A. Castro, J. Werschnik, A. Rubio, and E. K. U. Gross,
      Optimal Control of Quantum Rings by Terahertz Laser Pulses,
      Phys. Rev. Lett. 98, 157404 (2007)
    130. S. Janecek, M. Aichinger, E. Räsänen, E. Krotscheck, S. A. Chin, and K. A. Gernoth,
      Geometric effects and magnetic phases in quantum rings,
      Int. J. of Cond. Matt. 8, 21 (2007)
    131. E. Räsänen, H. Saarikoski, A. Harju, M. J. Puska, Y. Yu, and S. M. Reimann,
      Giant vortices in rotating electron droplets,
      Phys. Rev. B 73, 235324 (2006)
    132. M. Aichinger, S. A. Chin, E. Krotscheck, and E. Räsänen,
      Effects of geometry and impurities on quantum rings in magnetic fields,
      Phys. Rev. B 73, 195310 (2006)
    133. A. Harju, H. Saarikoski, and E. Räsänen,
      Half-Integer Filling Factor States in Quantum Dots,
      Phys. Rev. Lett. 96, 126805 (2006)
    134. E. Räsänen and M. Aichinger,
      Addition-energy distributions of realistic few-electron quantum dots,
      Physica E 34, 624 (2006)
    135. T. Torsti, T. Eirola, J. Enkovaara, T. Hakala, P. Havu, V. Havu, T. Höynälänmaa, J. Ignatius, M. Lyly, I. Makkonen, T. Rantala, K. Ruotsalainen, E. Räsänen, H. Saarikoski, and M. J. Puska,
      Three real-space discretization techniques in electronic structure calculations,
      Phys. Stat. Sol. (b) 243, No. 5, 1016-1053 (2006)
    136. M. Aichinger, S. A. Chin, E. Krotscheck, and E. Räsänen,
      Magnetization of two-dimensional quantum rings,
      AIP Conference Proceedings 850, 1401 (2006)
    137. J. Könemann, E. Räsänen, M. J. Puska, and R. M. Nieminen, and R. J. Haug,
      Level anticrossings in quantum dots,
      AIP Conference Proceedings 772, 809 (2006)
    138. E. Räsänen and M. Aichinger,
      Statistics of closed quantum dots: Effects of disorder and interactions,
      Phys. Rev. B 72, 045352 (2005)
    139. M. Aichinger and E. Räsänen,
      Stability of the shell structure in two-dimensional quantum dots,
      Phys. Rev. B 71, 165302 (2005)
    140. E. Räsänen, J. Könemann, R. J. Haug, M. J. Puska, and R. M. Nieminen,
      Characterization of deformed quantum dots by modeling single-electron-tunneling experiments,
      Physica E 26, 477 (2005)
    141. S. Siljamäki, A. Harju, E. Räsänen, J. Suorsa, and R. M. Nieminen,
      Diagonalizations on a correlated basis,
      Physica E 26, 441 (2005)
    142. H. Saarikoski, S. M. Reimann, E. Räsänen, A. Harju, and M. J. Puska,
      Stability of vortex structures in quantum dots,
      Phys. Rev. B 71, 035421 (2005)
    143. E. Räsänen, J. Könemann, R. J. Haug, M. J. Puska, and R. M. Nieminen,
      Impurity effects in quantum dots: Toward quantitative modeling,
      Phys. Rev. B 70, 115308 (2004)
    144. E. Räsänen, A. Harju, M. J. Puska, and R. M. Nieminen,
      Rectangular quantum dots in high magnetic fields,
      Phys. Rev. B 69, 165309 (2004)
    145. A. Harju, E. Räsänen, H. Saarikoski, M. J. Puska, R. M. Nieminen, and K. Niemelä,
      Broken symmetry in density-functional theory: Analysis and cure,
      Phys. Rev. B 69, 153101 (2004)
    146. E. Räsänen, M. J. Puska, and R. M. Nieminen,
      Maximum-density-droplet formation in hard-wall quantum dots,
      Physica E 22, 490 (2004)
    147. E. Räsänen, H. Saarikoski, V. N. Stavrou, A. Harju, M. J. Puska, and R. M. Nieminen,
      Electronic structure of rectangular quantum dots,
      Phys. Rev. B 67, 235307 (2003)
    148. H. Saarikoski, E. Räsänen, S. Siljamäki, A. Harju, M. J. Puska, and R. M. Nieminen,
      Testing of two-dimensional local approximations in the current-spin and spin-density-functional theories,
      Phys. Rev. B 67, 205327 (2003)
    149. E. Räsänen, H. Saarikoski, M. J. Puska, and R. M. Nieminen,
      Wigner molecules in polygonal quantum dots: A density-functional study,
      Phys. Rev. B 67, 035326 (2003)
    150. H. Saarikoski, E. Räsänen, S. Siljamäki, A. Harju, M. J. Puska, and R. M. Nieminen,
      Electronic properties of model quantum-dot structures in zero and finite magnetic fields,
      Eur. J. Phys. B 26, 241 (2002)