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| CHY Off-Shell and Loop Amplitudes |
| 2017-07-25
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| Institute of Theoretical Physics | | Chinese Academy of Sciences | | Key Laboratory of Theoretical Physics | | Seminar | | Title 题目 | CHY Off-Shell and Loop Amplitudes | | Speaker 报告人 | Harry C.S. Lam (蓝志成) | | Affiliation 所在单位 | McGill University | | Date 日期 | 3:30am, Tuesday, July 25, 2017 | | Venue 地点 | Conference Hall 322, ITP | | Abstract 摘要 | A CHY representation for off-shell scalar tree diagrams is presented. From this ANY loop diagram can be obtained just by folding the appropriate off-shell legs. In this way one avoids using higher-genus worldsheets in the string formulation. Simple examples are given to illustrate these rules. | | Contact person 所内联系人 | Song He | |
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