关于截断Wiener-Hopf算子的SzegIgn公式
On the Szegő formulas for truncated Wiener-Hopf operators
摘要:
考虑了具有光滑符号的截断Wiener-Hopf算子的多维版本的函数,并研究了其迹的标度渐近性。所得结果推广了H.在80年代广泛应用于非光滑函数和非光滑截断域。利用所得到的渐近公式分析了正温度下非相互作用费米子热平衡态的空间二体纠缠熵的标度极限。
英文摘要:
We consider functions of multi-dimensional versions of truncated Wiener--Hopf operators with smooth symbols, and study the scaling asymptotics of their traces. The obtained results extend the asymptotic formulas obtained by H. Widom in the 1980's to non-smooth functions, and non-smooth truncation domains. The obtained asymptotic formulas are used to analyse the scaling limit of the spatially bipartite entanglement entropy of thermal equilibrium states of non-interacting fermions at positive temperature.
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