伴随的Torelons和色电通量管在退精细相中的持续性
Adjoint torelons, and the persistence of color electric flux tubes in the deconfined phase
摘要：
有人认为，伴随torelon回路，即在空间，而不是时间，方向上运行的伴随表示中的Polyakov回路，是一个可观察的，这是敏感的存在下，在高温下的长颜色电通量管。我们表明，通过晶格蒙特卡罗模拟，这个观察到的有一个尖锐的峰值在解除禁闭过渡，仍然远远大于真空值的一些范围内的$T>T_c$，并低于真空值为$T > 2T_c$。这一结果表明，长电通量管可能会在有限的温度范围内持续存在，并在某个阶段消失，可能会融化成胶子的等离子体。作为一个侧面的评论，我们指出，我们的结果在$T<T_c$意味着普通的Polyakov环完整的限制阶段的特征值有轻微的倾向，吸引，而不是排斥，这可能是相关的某些模型的限制。
英文摘要：
It is argued that the adjoint torelon loop, i.e. a Polyakov loop in the adjoint representation running in a spatial, rather than temporal, direction, is an observable which is sensitive to the presence of long color electric flux tubes at high temperatures. We show via lattice Monte Carlo simulations that this observable has a sharp peak at the deconfinement transition, remains much larger than the vacuum value for some range of $T>T_c$, and falls below the vacuum value for $T > 2T_c$. This result suggests that long electric flux tubes may persist for a finite range of temperatures past the deconfinement transition, and at some stage disappear, presumably melting into a plasma of gluons. As a side remark, we point out that our results at $T<T_c$ imply that the eigenvalues of ordinary Polyakov loop holonomies in the confinement phase have a slight tendency to attract rather than repel, which may be relevant to certain models of confinement.
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