The Virial theorem, which is related to the Feynman-Hellmann (FH) theorem, usually applies to Hamiltonians without coordinate-momentum coupling terms. In this paper we discuss when there are coordinate-momentum coupling terms in N-mode Hamiltonians, how the Virial theorem should be modified, and the energy contribution arising from the coordinate-momentum coupling is also be discussed.
机构:
Department of Physics, Heze University
Key Laboratory of Quantum Communication and Calculation, Heze UniversityDepartment of Physics, Heze University
蒋继建
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机构:
李洪奇
王继锁
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机构:
School of Physical Science and Information Engineering, Liaocheng UniversityDepartment of Physics, Heze University