变形Cauchy随机矩阵系综与大$N$相变
Deformed Cauchy random matrix ensembles and large $N$ phase transitions
摘要:
本文研究了一个新的厄米单矩阵模型,它包含一个对数Penner型项和另一个项,后者可以作为对数项的极限而得到。对于小耦合,电势在原点处具有绝对最小值,但是超过一定的耦合值,电势发展为双阱。对于较高的耦合临界值,系统经历了一个大的$N$三阶相变。
英文摘要:
We study a new hermitian one-matrix model containing a logarithmic Penner's type term and another term, which can be obtained as a limit from logarithmic terms. For small coupling, the potential has an absolute minimum at the origin, but beyond a certain value of the coupling the potential develops a double well. For a higher critical value of the coupling, the system undergoes a large $N$ third-order phase transition.
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