Finite-temperature second-order many-body perturbation theory revisited
نویسندگان
چکیده
منابع مشابه
Finite-temperature second-order many-body perturbation theory revisited
We present an algebraic, nondiagrammatic derivation of finite-temperature second-order many-body perturbation theory [FT-MBPT(2)], using techniques and concepts accessible to theoretical chemical physicists. We give explicit expressions not just for the grand potential but particularly for the mean energy of an interacting many-electron system. The framework presented is suitable for computing ...
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ژورنال
عنوان ژورنال: Chemical Physics
سال: 2017
ISSN: 0301-0104
DOI: 10.1016/j.chemphys.2016.08.001