加热BION
Heating up the BIon
摘要：
我们提出了一种新的方法来考虑D膜探针在热背景。该方法建立在最近开发的黑褶方法高维黑洞。虽然在零温度背景下的D膜探测是很好地描述了狄拉克-玻恩-因菲尔德（DBI）的行动，这种方法解决了如何探测热背景。一个特别重要的特征是探针与背景处于热平衡。我们应用我们的新方法研究了DBI作用量的BIon解的热推广。BIon解是由一个D-膜和一个平行的反D-膜通过一个带F-弦电荷的虫洞连接而成的平坦空间中的构型。在我们的热力学推广中，我们把这个组态放在热平坦空间中。我们发现，有限温度系统的行为定性不同于零温度对应。特别地，对于给定的D-膜和反D-膜之间的分离，在零温度下有两相，在有限温度下有一个或三个相可用。
英文摘要：
We propose a new method to consider D-brane probes in thermal backgrounds. The method builds on the recently developed blackfold approach to higher-dimensional black holes. While D-brane probes in zero-temperature backgrounds are well-described by the Dirac-Born-Infeld (DBI) action, this method addresses how to probe thermal backgrounds. A particularly important feature is that the probe is in thermal equilibrium with the background. We apply our new method to study the thermal generalization of the BIon solution of the DBI action. The BIon solution is a configuration in flat space of a D-brane and a parallel anti-D-brane connected by a wormhole with F-string charge. In our thermal generalization, we put this configuration in hot flat space. We find that the finite temperature system behaves qualitatively different than its zero-temperature counterpart. In particular, for a given separation between the D-brane and anti-D-brane, while at zero temperature there are two phases, at finite temperature there are either one or three phases available.
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