Concepedia

Quantum Partition Function

The Quantum Partition Function is a fundamental mathematical construct in quantum statistical mechanics that serves as the quantum analog of the classical partition function, distinguished by its formulation as the trace of the exponential of the negative inverse temperature scaled by the Hamiltonian operator, thereby encoding the statistical properties of a quantum system in thermal equilibrium.

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Publications

1.4K

Crystal Statistics. I. A Two-Dimensional Model with an Order-Disorder Transition

Lars Onsager · Physical Review · 1944 · 6.5K citations

, , +16

Calculation of Partition Functions

John P. Hubbard · Physical Review Letters · 1959 · 1.4K citations

, , +11

A New Approach to Quantum-Statistical Mechanics

Takeo Matsubara · Progress of Theoretical Physics · 1955 · 1.2K citations

, , +16

Relationship between d-Dimensional Quantal Spin Systems and (d+1)-Dimensional Ising Systems: Equivalence, Critical Exponents and Systematic Approximants of the Partition Function and Spin Correlations

Masuo Suzuki · Progress of Theoretical Physics · 1976 · 1.1K citations · Full text

, , +14

New approach to Monte Carlo calculation of the free energy: Method of expanded ensembles

Alexander P. Lyubartsev, A. A. Martsinovski, P. N. Vorontsov‐Velyaminov · The Journal of Chemical Physics · 1992 · 1K citations

, , +17

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  1. JJ
    J. J. M. Verbaarschot

    Stony Brook University, United States

    11 publications · 1.1K citations

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  2. AN
    A. N. Ikot

    University of Port Harcourt, Nigeria

    10 publications · 304 citations

    10

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  3. CA
    C. A. Onate

    Landmark University, Nigeria

    9 publications · 222 citations

    9

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  4. VT
    V. Tognetti

    University of Florence, Italy

    8 publications · 527 citations

    8

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  5. HD
    Hans De Raedt

    University of Groningen, Netherlands

    7 publications · 630 citations

    7

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925

  1. Centre National de la Recherche Scientifique

    Paris, France

    26 h-index

    71 publications

    4K citations

  2. Princeton University

    Princeton, United States

    26 h-index

    48 publications

    6.6K citations

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    Stony Brook, United States

    26 h-index

    72 publications

    5.1K citations

  4. The University of Tokyo

    Tokyo, Japan

    22 h-index

    66 publications

    5K citations

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    Princeton, United States

    21 h-index

    34 publications

    4.6K citations

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    Cambridge, United States

    20 h-index

    36 publications

    2.5K citations

  7. University of California, Berkeley

    Berkeley, United States

    20 h-index

    36 publications

    5.3K citations

  8. Perimeter Institute

    Waterloo, Canada

    19 h-index

    41 publications

    1.9K citations

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    JHEP · 147 publications · 7.9K citations

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  2. Physical Review Letters

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  3. The Journal of Chemical Physics

    92 publications · 5.5K citations

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