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  Location: Home >  Research Activities >  Seminar
Integrable line defects and entanglement entropy
2017-01-17     Text Size:  A

Institute of Theoretical Physics

Chinese Academy of Sciences

 Key Laboratory of Theoretical Physics

Seminar

Title

题目

Integrable line defects and entanglement entropy

Speaker

报告人

Dr. Yunfeng Jiang

Affiliation

所在单位

ETH Zurich

Date

日期

3:30pm, Jan 17th (Tuesday), 2017

Venue

地点

Conference Hall 322, ITP

Abstract

摘要

In this talk, I will discuss entanglement entropy of integrable field theories in 1+1 dimensions in the presence of line defects which preserves integrability. For interacting field theories, integrable defects are topological while for free theories the defects can be non-topological. Using the replica trick and the form factor bootstrap method of integrable field theories, I will show that topological defects do not modify the UV behavior of the bulk entanglement entropy but lead to different corrections in the IR limit. On the contrary, non-topological defects modify both the UV and IR behaviors of the bulk entanglement entropy.

Contact Person

联系人

Gang Yang
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