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MCTDH-X: The Multiconfigurational Time-Dependent Hartree Method for Indistinguishable Particles High-Performance Computation Project

In: High Performance Computing in Science and Engineering '20

Author

Listed:
  • A. U. J. Lode

    (Albert-Ludwigs-Universität Freiburg, Physikalisches Institut)

  • O. E. Alon

    (University of Haifa, Department of Mathematics
    University of Haifa, Haifa Research Center for Theoretical Physics and Astrophysics)

  • M. A. Bastarrachea-Magnani

    (Albert-Ludwigs-Universität Freiburg, Physikalisches Institut
    Aarhus University, Department of Physics and Astronomy)

  • A. Bhowmik

    (University of Haifa, Department of Mathematics
    University of Haifa, Haifa Research Center for Theoretical Physics and Astrophysics)

  • A. Buchleitner

    (Albert-Ludwigs-Universität Freiburg, Physikalisches Institut
    Albert-Ludwigs-Universität Freiburg, Freiburg Institute for Advanced Studies (FRIAS))

  • L. S. Cederbaum

    (Universität Heidelberg, Theoretische Chemie, Physikalisch-Chemisches Institut)

  • R. Chitra

    (ETH Zürich, Institute for Theoretical Physics)

  • E. Fasshauer

    (Department of Physics and Astronomy)

  • L. de Forges de Parny

    (Albert-Ludwigs-Universität Freiburg, Physikalisches Institut
    ACRI-ST)

  • S. K. Haldar

    (University of Haifa, Department of Mathematics
    University of Haifa, Haifa Research Center for Theoretical Physics and Astrophysics
    SRM University Delhi-NCR, Department of Physics)

  • C. Lévêque

    (Vienna Center for Quantum Science and Technology, Atominstitut, TU Wien
    University of Vienna, Wolfgang Pauli Institute c/o Faculty of Mathematics)

  • R. Lin

    (ETH Zürich, Institute for Theoretical Physics)

  • L. B. Madsen

    (Aarhus University, Department of Physics and Astronomy)

  • P. Molignini

    (ETH Zürich, Institute for Theoretical Physics
    University of Oxford, Clarendon Laboratory, Department of Physics)

  • L. Papariello

    (ETH Zürich, Institute for Theoretical Physics
    Research Studio Data Science, RSA FG)

  • F. Schäfer

    (Albert-Ludwigs-Universität Freiburg, Physikalisches Institut
    University of Basel, Department of Physics)

  • A. I. Streltsov

    (Universität Heidelberg, Theoretische Chemie, Physikalisch-Chemisches Institut)

  • M. C. Tsatsos

    (University of São Paulo, São Carlos Institute of Physics)

  • S. E. Weiner

    (UC Berkeley, Department of Physics)

Abstract

This report introduces the multiconfigurational time-dependent Hartree method for indistinguishable particles (MCTDH-X) high performance computation project and its recent research results. We solved the many-particle Schrödinger equation for time-dependent and time-independent systems using the software implementations of theories in the MCTDH-X family on high-performance computation facilities. Going beyond the commonly applied semi-classical and mean-field pictures, we unveil fascinating and fundamental many-body physics in the correlated electron dynamics within the photoionization of neon, ultracold bosons’ hierarchical superfluidity in a cavity, as well as the dynamics of fragmentation, entropy, angular momentum, correlations, and fluctuations of interacting bosons and fermions in one- and two-dimensional double-well potentials. Our present report illustrates how the computational resources at the HLRS for our MCTDH-X applications enabled and boosted our scientific research productivity in the field of many-body physics.

Suggested Citation

  • A. U. J. Lode & O. E. Alon & M. A. Bastarrachea-Magnani & A. Bhowmik & A. Buchleitner & L. S. Cederbaum & R. Chitra & E. Fasshauer & L. de Forges de Parny & S. K. Haldar & C. Lévêque & R. Lin & L. B. , 2021. "MCTDH-X: The Multiconfigurational Time-Dependent Hartree Method for Indistinguishable Particles High-Performance Computation Project," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '20, pages 21-45, Springer.
    • Handle: RePEc:spr:sprchp:978-3-030-80602-6_2
    DOI: 10.1007/978-3-030-80602-6_2
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