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Towards Explicit States in a Sigma Model
2018-10-10  【 】【打印】【关闭

CAS Key Laboratory of Theoretical Physics

Institute of Theoretical Physics

 Chinese Academy of Sciences

Seminar

Title

题目

Towards Explicit States in a Sigma Model

Speaker

报告人

Prof. Jarah Evslin

Affiliation

所在单位

Institute of Modern Physics, Chinese Academy of Sciences

Date

日期

1:00pm, Oct 10, 2018, Wednesday

Venue

地点

Conference Room 6420, ITP NEW BUILDING/ 理论物理所新楼6420报告厅

Abstract

摘要

In the CP1 sigma model, fractional instantons nonpertubatively generate a mass gap. To understand how they do it, we wish to explicitly calculate the ground state and first excited state wave functions using the known equivalence to the XXX spin chain. We describe two novel techniques which will allow, for the first time, the continuum limit of these wave functions to be calculated.

Contact person

所内联系人

Gang Yang

 

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