期刊
PHYSICAL REVIEW LETTERS
卷 104, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.232001
关键词
-
资金
- Schweizerischer Nationalfonds (SNF)
We investigate the transverse fluctuations of the confining string connecting two static quarks in (2 + 1)D SU(2) Yang-Mills theory using Monte Carlo calculations. The exponentially suppressed signal is extracted from the large noise by a very efficient multilevel algorithm. The resulting width of the string increases logarithmically with the distance between the static quark charges. Corrections at intermediate distances due to universal higher-order terms in the effective string action are calculated analytically. They accurately fit the numerical data.
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