Anti-Parallel Spin Pairing in Color Superconductivity
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概要
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We investigate helicity states of Cooper pairs in quark matter on the basis of a QCD-like theory. The Cooper pair consists of spin-triplet states with one-flavor quark matter if an s-wave and a color-antisymmetric state are assumed. There are two types of spin pairing schemes, parallel and anti-parallel spin pairing. The gap equations are derived in both cases and solved numerically. It is shown that the energy gap in the anti-parallel spin pairing case is larger than that in the parallel case. This is caused by the color-magnetic interaction. It is concluded that the anti-parallel spin pairing scheme is more stable than the parallel one.
- 理論物理学刊行会の論文
- 2000-11-25
著者
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Iwasaki M
Infn Laboratori Nazionali Di Frascati:ifin-hh
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Tanaka Take-aki
Physics Department Kochi University
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Tanaka Takahiro
Department Of Physics Graduate School Of Science Kyoto University
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Tanaka T
Department Of Physics Graduate School Of Science Kyoto University
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Ishikawa S
Physics Department Kochi University
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IWASAKI mASAHARU
Physics Department, Kochi University
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ISHIKAWA Satoshi
Physics Department, Kochi University
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