Quantum Monte-Carlo Method without Negative-Sign Problem for Two-Dimensional Electron Systems under Strong Magnetic Fields

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Author(s)

Abstract

The quantum Monte-Carlo method is applied to two-dimensional electron systems under strong magnetic fields. The negative-sign problem induced by this method can be avoided for certain filling factors by making a sign-problem-free Hamiltonian approximating the Coulomb-interaction Hamiltonian well. Our techniques for obtaining the sign-problem-free Hamiltonian are described in detail. Calculated results for the sign-problem-free Hamiltonian are also reported for Landau level filling ν= 1/3 and are compared with those for the Coulomb-interaction Hamiltonian.

Journal

  • Journal of the Physical Society of Japan

    Journal of the Physical Society of Japan 73(5), 1103-1106, 2004-05-15

    The Physical Society of Japan (JPS)

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Codes

  • NII Article ID (NAID)
    110001954815
  • NII NACSIS-CAT ID (NCID)
    AA00704814
  • Text Lang
    ENG
  • Article Type
    SHO
  • ISSN
    00319015
  • NDL Article ID
    6940623
  • NDL Source Classification
    ZM35(科学技術--物理学)
  • NDL Call No.
    Z53-A404
  • Data Source
    CJP  NDL  NII-ELS 
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