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Chiral 2D “strange metals” from N = 4 SYM

M. Berkooz, , A. Zait
Published in Springer Verlag
2015
Volume: 2015
   
Issue: 1
Pages: 1 - 43
Abstract
Abstract: Familiar field theories may contain closed subsectors made out of only fermions, which can be used to explore new and unusual phases of matter in lower dimensions. We focus on the fermionic su(1, 1) sector in (Formula presented.) SYM and on its ground states, which are Fermi surface states/operators. By computing their spectrum to order (gYM2N)2, we argue that fluctuations around this Fermi surface, within the sector and in the limit kF → ∞, are governed by a chiral 1+1 dimensional sector of the “strange metal” coset SU(N)N ⊗ SU(N)N /SU(N)2N. On the gravity side, the conjectured dual configuration is an S = 0 degeneration of a rotating black hole. On general grounds we expect that the near horizon excitations of (S = 0, Ω = 1, J → ∞) degenerations of black holes will be governed by a chiral sector of a 1+1 CFT. © 2015, The Author(s).
About the journal
JournalData powered by SciSpaceJournal of High Energy Physics
PublisherData powered by SciSpaceSpringer Verlag
ISSN10298479