量子相变附近非厄米简并的库仑模拟
Coulomb analogy for nonhermitian degeneracies near quantum phase transitions
摘要：
研究了厄米哈密顿量在复扩张参数空间中实轴附近的简并性。我们提出了一种方法来测量这种简并在选择能级的黎曼面上的分布，并将其应用于量子相变的分类。退化的表现类似于复杂的零点的配分函数。
英文摘要：
Degeneracies near the real axis in a complex-extended parameter space of a hermitian Hamiltonian are studied. We present a method to measure distributions of such degeneracies on the Riemann sheet of a selected level and apply it in classification of quantum phase transitions. The degeneracies are shown to behave similarly as complex zeros of a partition function.
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。
