Two-loop effective potential for generalized gauge fixing
Two-loop effective potential for generalized gauge fixing
复制标题
通用仪表固定的双环有效潜力
DOI:
10.1103/physrevd.98.076008
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发表时间:
2018
影响因子:
5
通讯作者:
Patel, Hiren H.
中科院分区:
文献类型:
--
作者:
Martin, Stephen P.;Patel, Hiren H.
We obtain the two-loop effective potential for general renormalizable theories, using a generalized gauge-fixing scheme that includes as special cases the background-fieldgauges, the Fermi gauges, and the familiar Landau gauge, and using dimensional regularization in the bare andrenormalization schemes. As examples, the results are then specialized to the Abelian Higgs model and to the Standard Model. In the case of the Standard Model, we study how the vacuum expectation value and the minimum vacuum energy depend numerically on the gauge-fixing parameters. The results at fixed two-loop order exhibit nonconvergent behavior for sufficiently large gauge-fixing parameters; this can presumably be addressed by a resummation of higher-order contributions.
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DOI:
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发表时间:
1997
期刊:
影响因子:
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作者:
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DOI:
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期刊:
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DOI:
10.1016/j.physrep.2010.05.002
发表时间:
2008-12
期刊:
Physics Reports
影响因子:
--
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H. Dreiner;H. Haber;S. P. Martin