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UID:MEC-2812e5cf6d8f21d69c91dddeefb792a7@community.kavlimeetings.org
DTSTART:20210908T020000Z
DTEND:20210908T030000Z
DTSTAMP:20210914T203700Z
CREATED:20210915
LAST-MODIFIED:20211217
PRIORITY:5
TRANSP:OPAQUE
SUMMARY:Monodromy defects from hyperbolic space
DESCRIPTION:\nTime: 10:00am, Sep. 8 (Wedn.). 2021\n\n\n\nLocation (onsite): 4th Floor Meeting Room, KITS Building [View Map ( https://kits.ucas.ac.cn/index.php/about/location )] \n\n\n\nSpeaker: Ziming Ji (Princeton University) \n\n\n\nAbstract:Conformal defects are extended objects in a conformal field theory, which preserve a subgroup of the original conformal symmetry. A monodromy defect is a codimension two defect defined by the monodromy of fields in the bulk. I will first talk about generalities of conformal defects and monodromy defects. Then I will discuss monodromy defects in O(N) scalar field theories in d dimension. Using a map to the hyperbolic space, we can study the free energy, discuss defect RG flow, and obtain the defect CFT data. Large N analysis is compared to an epsilon expansion. A conjecture about the monotonicity of free energy during the defect RG flow is checked. We also obtain various one-point, two-point, and four-point functions.\n\n\n\nOur paper: https://arxiv.org/abs/2102.11815 ( https://arxiv.org/abs/2102.11815 )Defect CFT: https://arxiv.org/abs/1601.02883 ( https://arxiv.org/abs/1601.02883 )Line defect in 3D: https://arxiv.org/abs/1304.4110 ( https://arxiv.org/abs/1304.4110 ), https://arxiv.org/abs/1310.5078 ( https://arxiv.org/abs/1310.5078 )\n\n\n\nInvited by Prof. Xi-Nan Zhou ( https://kits.ucas.ac.cn/index.php/people/faculty/44-faculty/308-xi-nan-zhou )\n
URL:https://community.kavlimeetings.org/calendar-archive/monodromy-defects-from-hyperbolic-space/
ORGANIZER;CN=(Kavli ITS) Kavli Institute for Theoretical Sciences | University of Chinese Academy of Sciences (UCAS):MAILTO:
CATEGORIES:Seminar,Theoretical Physics
LOCATION:(Kavli ITS) The Kavli Institute for Theoretical Sciences at the University of Chinese Academy of Sciences
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