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작성자 CQUeST 날짜 2017-08-29
제목 [Seminar] Sep. 8 (Fri), 4:30pm, Hyeonjoon Shin

Date-Time : Sep. 8 (Fri), 4:30pm  

Place : R1029

Speaker : Hyeonjoon Shin

Institute : POSTECH

Title : Worldvolume Supersymmetries for D-branes on AdS_5 x S^5 background

Abstract : We revisit the 1/2-BPS D-branes on the AdS_5 x S^5 background. Based only on the classification of 1/2-BPS D-branes obtained by the covariant open string description, we consider various purely static configurations of D-branes without any worldvolume flux on the AdS_5 x S^5 background. Under the covariant kappa symmetry fixing condition, we investigate which part the spacetime supersymmetries is preserved on the D-brane worldvolume and obtain the associated worldvolume supersymmetry transformation rules to leading order in the worldvolume fluctuating fields. It is shown that, for purely static configurations without any worldvolume flux, only the AdS type D-branes, in which the AdS radial direction is one of worldvolume coordinates, are 1/2-BPS.

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