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(Seminar) On the relation between the magnitude and exponent of OTOCs
12/31
2019
- Title (Seminar) On the relation between the magnitude and exponent of OTOCs
- Speaker
- Date
- Venue
Abstract
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CAS Key Laboratory of Theoretical Physics | ||
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Institute of Theoretical Physics | ||
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Chinese Academy of Sciences | ||
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Seminar | ||
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Title 题目 |
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Speaker 报告人 |
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Affiliation 所在单位 |
Harvard University | |
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Date 日期 |
December 31 (Tuesday), 2019, 10:00-11:30 | |
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Venue 地点 |
ITP South Building 6420 | |
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Abstract 摘要 |
We derive an identity relating the growth exponent of early-time OTOCs, the pre-exponential factor, and a third number called "branching time". The latter is defined using the retarded kernel. This identity can be used to calculate stringy effects in the SYK and similar models. As another application, we consider an SYK chain. If the coupling strength is above a certain threshold the exponent in the butterfly wavefront is exactly saturating the Maldacena-Shenker-Stanford bound. | |
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Contact Person 所内联系人 |
冼卓宇 | |