Bulletin of the American Physical Society
2005 APS April Meeting
Saturday–Tuesday, April 16–19, 2005; Tampa, FL
Session K1: String Theory |
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Sponsoring Units: DPF GGR Chair: Joseph Lykken, Fermilab Room: Marriott Tampa Waterside Grand Salon E |
Sunday, April 17, 2005 12:45PM - 1:21PM |
K1.00001: Beller Lecture Invited Speaker: |
Sunday, April 17, 2005 1:21PM - 1:57PM |
K1.00002: Recent Developments in String Gravity Invited Speaker: This abstract has not been submitted yet. [Preview Abstract] |
Sunday, April 17, 2005 1:57PM - 2:33PM |
K1.00003: Apker Award Talk Invited Speaker: We consider two sectors of the AdS/CFT\ correspondence which greatly simplify in the limit of large R-charge. \ First, we discuss extensions to the work of Berenstein, Maldacena and Nastase on strings in the pp-wave limit of $AdS_{5}\times S^{5}$ and their CFT duals. \ In particular, we explain how to compute higher order effects in the anomalous dimension spectra of single trace monomials via a virial expansion approach which does not rely on integrability of the underlying spin chain. \ We then examine the exact match between the anomalous dimension spectra and the string theory spectra up to the two loop level, and comment on the observed discrepancy between the two sides of the correspondence at the three loop level. \ Next, we look at another sector of large R-charge: the thermodynamics of nearly extremal R-charged black holes in $AdS_{5}\times S^{5}$. \ We provide evidence that such black holes are well-described by effective strings created by the intersection of two distributions of giant gravitons on $S^{5}$. \ We also present a free fermion description of the supersymmetric limit of the one-charge black hole, and we give a crude catalog of the microstates of the two and three-charge black holes in terms of operators in the dual CFT. [Preview Abstract] |
Sunday, April 17, 2005 2:33PM - 3:09PM |
K1.00004: TBA Invited Speaker: |
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