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About
President
Governance
Partner Institutions
Visit
People
Management
Faculty
Postdocs
Visiting Scholars
Staff
Research
Research Groups
Courses
Seminars
Join Us
Faculty
Postdocs
Students
Events
Conferences
Workshops
Forum
Life @ BIMSA
Accommodation
Transportation
Facilities
Tour
News
News
Announcement
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Qiuzhen College, Tsinghua University
Yau Mathematical Sciences Center, Tsinghua University (YMSC)
Tsinghua Sanya International  Mathematics Forum (TSIMF)
Shanghai Institute for Mathematics and  Interdisciplinary Sciences (SIMIS)
BIMSA > Joint HEP-TH Seminar Special flow equation and GKP-Witten relation
Special flow equation and GKP-Witten relation
Organizers
Hongfei Shu , Rui-Dong Zhu , Hao Zou
Speaker
Shuichi Yokoyama
Time
Wednesday, June 1, 2022 4:00 PM - 5:00 PM
Venue
1129B
Abstract
I will speak about my recent work on a new framework for the reconstruction of bulk theory dual to conformal field theory (CFT) by means of flow equation. A flow equation generally describes a non-local course-graining of elementary fields consisting of given quantum field theory so as to remove the contact divergence. This property of the flow equation enables one to construct a class of composite operators which behave as geometric objects including metric in the holographic space after taking the quantum average. In this talk I will explain a certain extension from the free flow equation, which we call a special flow equation. Using the special flow equation, the conformal transformation for a normalized smeared operator exactly becomes the isometry of anti-de Sitter space (AdS). By employing this special flow equation with O(N) vector models, we explicitly show that the AdS geometry as well as the scalar field satisfying the GKP-Witten relation concurrently emerge in this framework.
Beijing Institute of Mathematical Sciences and Applications
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