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  1. Article

    Open Access

    Friedmann equation and the emergence of cosmic space

    In this paper, we show that Padmanabhan’s conjecture for the emergence of cosmic space [ar**v:1206.4916] holds for the flat Friedmann-Robertson-Walker universe in Einstein gravity but does not hold for the non...

    Ee Chang-Young, Daeho Lee in Journal of High Energy Physics (2014)

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    Article

    Nonextremal Kerr/CFT on a stretched horizon

    We study the conformal symmetry described by SL(2, R) L × SL(2, R) R in the nonextremal Kerr black hole case. We calculate the central charges...

    Ee Chang-Young, Myungseok Eune in Journal of High Energy Physics (2013)

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    Article

    Consistent bilinear Wess-Zumino term for open AdS superstring

    We consider the open superstring action in AdS5 × S5 background with the bilinear Wess-Zumino term, which has been modified in such a way that a certain total derivative term is absent, and give the covariant des...

    Ee Chang-Young, Hiroaki Nakajima, Hyeonjoon Shin in Journal of High Energy Physics (2012)

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    Article

    Fermionic T-duality and Morita equivalence

    In this paper we investigate the relationship between the so-called fermionic T-duality and the Morita equivalence of noncommutative supertori. We first get an action satisfying the BRST invariance under nonva...

    Ee Chang-Young, Hiroaki Nakajima, Hyeonjoon Shin in Journal of High Energy Physics (2011)