Perturbation Expansion for a Fermi Superfluid. : II. Several Equilibrium Properties
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概要
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The forrnalisrn of the preceding paper is applied to a systern of uniform flow. Explicit expres-sions are obtained for the specific heat: Cv, the superfluid-density tensor: p, and the spin suscep-tibility of the singlet pairing: X. It is the quasijcarticle excitation near the excitation threslaoldthat is responsible for these quantities. The three expressions for v -+ O reduce to the norrnal-state results of Luttinger; the Leggett expressions of p and ')(. are reproduced by neglecting thefeedback effects.
- 社団法人日本物理学会の論文
- 1996-05-15
著者
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KITA Takafumi
Department of Physics, Hokkaido University
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Kita Takafumi
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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