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(Seminar) Symmetric PEPS — from topological Z_2 RVB state to SU(3) chiral spin liquid
2020-01-09  【 】【打印】【关闭

CAS Key Laboratory of Theoretical Physics

Institute of Theoretical Physics

Chinese Academy of Sciences

Seminar

Title

题目

Symmetric PEPS — from topological Z_2 RVB state to SU(3) chiral spin liquid

Speaker

报告人

Jiyao Chen

Affiliation

所在单位

Max-Planck-Institue of Quantum Optics in Garching, Germany

Date

日期

2020年1月9日(周四)16: 00

Venue

地点

itp south building 6420

Abstract

摘要

北京快乐8官方quantum spin liquid state can be faithfully represented and efficiently characterized within the symmetric projected entangled pair state (peps) framework. a prototypical example with su(2) spin-1/2 on every lattice site is the nearest neighbor resonating valence bond (rvb) state, which has been thoroughly studied on various lattices with peps. here i will show, through suitable deformation of the local tensor of nn rvb state on square lattice, we can introduce longer range singlets into the wave function and drive the state into a topological z_2 phase. this approach turns out to be very general. and i will also present our recent results about su(3) chiral spin liquid using this approach.

Contact Person

所内联系人

石弢
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