Phase structure of four-fermion theories at finite temperature and chemical potential in arbitrary dimensions
International journal of modern physics. A Volume 10
Page 2241-2268
published_at 1995
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| File | |
| Title ( eng ) |
Phase structure of four-fermion theories at finite temperature and chemical potential in arbitrary dimensions
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| Creator |
Kouno T.
Muta Taizo
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| Source Title |
International journal of modern physics. A
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| Volume | 10 |
| Start Page | 2241 |
| End Page | 2268 |
| Abstract |
The phase structure of four-fermion theories is thoroughly investigated with varying temperature and chemical potential for arbitrary space-time dimensions (2 ≤ D < 4) by using the 1/N expansion method. It is shown that the chiral symmetry is restored in the theory under consideration for sufficiently high temperature and/or chemical potential. The critical line dividing the symmetric and broken phase is given explicitly. It is found that for space-time dimension 2 ≤ D < 3 both the first-order and second-order phase transition occur depending on the value of temperature and chemical potential while for 3 ≤ D < 4 only the second-order phase transition exists.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
World Scientific
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| Date of Issued | 1995 |
| Rights |
Copyright (c) 1995 World Scientific
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| Publish Type | Author’s Original |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0217-751X
[URI] http://worldscinet.lib.tsinghua.edu.cn/openurl.asp?genre=journal&issn=0217-751X
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