澳门新葡8455最新网站-新葡京www.8455.com最新网址 主页   时间:2020年6月3日 15:00(北京时间)报告地点:在线报告(ZOOM ID:631 6925 2944)点击链接入会:https://cernet.zoom.com.cn/j/63169252944报告摘要:In AdS5 x S5, giant gravitons are spherical D-branes wrapped on S3. They have holographically dual in N=4 SYM through Schur polynomial operators.Since those..." />

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物理大讲堂-青年学者论坛(68)(在线报告)

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报告题目:Physics of Giant Graviton

报告人:Minkyoo Kim( University of the Witwatersrand)

报告返回澳门新葡8455最新网站-新葡京www.8455.com最新网址 主页   时间:2020年6月3日 15:00(北京时间)

报告地点:在线报告(ZOOM ID:631 6925 2944)

点击链接入会:https://cernet.zoom.com.cn/j/63169252944

报告摘要:In AdS5 x S5, giant gravitons are spherical D-branes wrapped on S3. They have holographically dual in N=4 SYM through Schur polynomial operators.Since those scale as order N, planar Feynman diagrams are not enough in computing physical observables even in large N limit. Namely, as the giant graviton is a nonplanar object. it makes the problem difficult. In my recent works, I have studied spectra and correlators of giant gravitons with several methods. First, integrable subsectors of LLM geometry which is a spacetime obtained by gravity backreaction of giant gravitons were founded. Second, correlation functions of giants and a closed string were studied through effective field theory method. Third, excited giant gravitons were studied by group theory. Here, central extension and a resulting lattice model are studied.

  I will introduce those in my talk and will concentrate on physical pictures rather than technical computations.



 

 

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