Study of Specific Heat below T_c in 1/n Expansion
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概要
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The specific heat below T_c is studied in 1/n expansion, on the basis of the Ginzburg-Landau-Wilson (GLW) Hamiltonian in the presence of a constant magnetic field. It is shown that α' is equal to α up to O(1/n). The critical amplitude ratio A_+/A_- is calculated for 3<d<4 (d: spatial dimension) and is proved to be consistent with the result obtained by εexpansion. A divergence of A_- in the lowest order is pointed out at particular dimensions d_m=2+2/m (m=2,3,4,…). The A_+/A_- at d=3 is shown to approach a constant as 1/n→0, whereas A_+/A_- for 3<d<4 is proportional to n in the same limit.
- 理論物理学刊行会の論文
- 1975-12-25
著者
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Abe Ryuzo
Department Of Emergency And Critical Care Medicine Chiba University Graduate School Of Medicine
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Hikami S
Univ. Tokyo Tokyo
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Hikami Shinobu
Research Institute For Fundamental Physics Kyoto University
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Hikami Shinobu
Research Institute For Fumdamental Pysics Kyoto University
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HIKAMI Shinobu
Research Institute for Fundamental Physics, Kyoto University
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