Flow of Geometries and Instantons on the Null Orbifold

Micha Berkooz , Zohar Komargodski , Dori Reichmann , Vadim Shpitalnik

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classification ✦ hep-th

keywords orbifoldnullbackgroundclosedcommentcondensationd-instantonsevidence

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We study condensation of twisted sector states in the null orbifold geometry. As the singularity is time-dependent, we probe it using D-Instantons. We present evidence that the null-orbifold flows to the $Z_N$ orbifold. We also comment on the subtleties of quantizing the closed superstring in this background.

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Flow of Geometries and Instantons on the Null Orbifold

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