Particle Conservation for Canonical Transformation in Quantum Many-body Problems
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概要
- 論文の詳細を見る
We investigate the conservation of the particle number in an interacting Bose gas and an electron gas. It is known that hamiltonian does not commute with the particle number operator of the system in Bogoliubov's approximation. Although the particle number is not conserved at the operator level, the expectation value must be conserved. We prove the particle number expectation value for the Bogoliubov ground state is conserved.
- 東海大学の論文
著者
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Ito Kei
Department Of Applied Analysis And Complex Dynamical Systems Graduate School Of Informatics Kyoto Un
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Ito Kei
Department Of Physics School Of Science Tokai University
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