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arXiv 1503.06993hep-thhep-lat
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有限温度下Yang-Mills理论的协变变分方法

A covariant variational approach to Yang-Mills Theory at finite temperatures

Markus Quandt, Hugo Reinhardt

摘要:

本文将Landau规范下SU(N)Yang-Mills理论的协变变分方法推广到非零温度。零温度的情况下的重整化被重新审视,它表明,相同的反项是足够的,使低阶格林函数在非零温度有限。我们计算的鬼和胶子传播数值和表明,它同意在所有定性方面的高精度晶格计算的结果。

英文摘要:

We extend the covariant variational approach for SU(N) Yang-Mills theory in Landau gauge to non-zero temperatures. The renormalization of the zero-temperature case is revisited and it is shown that the same counterterms are sufficient to render the low-order Green's function finite at non-zero temperature. We compute the ghost and gluon propagator numerically and show that it agrees in all qualitative respects with the results of high-precision lattice calculations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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