On the Method of "Auxiliary Variables"
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概要
- 論文の詳細を見る
The method of "auxiliary variables" (collective coordinates) used by Bogolyubov and Zubarev is formulated in a somewhat different manner. Improvements are made in two points : 1) The Hamiltonian is given in an Hermitian form and 2) the number of the auxiliary variables can be limited, if necessary. We calculate the ground state energy and the excitation energy spectrum of the spinless bosons taking account of phonon-phonon interactions. The expression for the ground state energy is shown to be equivalent to the one derived by Bogolyubov and Zubarev.
- 理論物理学刊行会の論文
- 1959-02-25
著者
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Hiroike Kazuo
Department Of Physics Tokyo Institute Of Technology
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Hiroike Kazuo
Department Of Applied Science Faculty Of Engineering Tohoku University
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HIROIKE Kazuo
Department of Physics, Tokyo Institute of Technology
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