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JHEP07(2010)056 Published for SISSA by Springer
 

Summary: JHEP07(2010)056
Published for SISSA by Springer
Received: June 7, 2010
Accepted: June 29, 2010
Published: July 16, 2010
Holographic Roberge-Weiss transitions
Gert Aarts, S. Prem Kumar and James Rafferty
Department of Physics, Swansea University,
Swansea, SA2 8PP, U.K.
E-mail: g.aarts@swansea.ac.uk, s.p.kumar@swansea.ac.uk,
pyjames@swansea.ac.uk
Abstract: We investigate N = 4 SYM coupled to fundamental flavours at nonzero imagi-
nary quark chemical potential in the strong coupling and large N limit, using gauge/gravity
duality applied to the D3-D7 system, treating flavours in the probe approximation. The
interplay between ZN symmetry and the imaginary chemical potential yields a series of
first-order Roberge-Weiss transitions. An additional thermal transition separates phases
where quarks are bound/unbound into mesons. This results in a set of Roberge-Weiss
endpoints: we establish that these are triple points, determine the Roberge-Weiss temper-
ature, give the curvature of the phase boundaries and confirm that the theory is analytic
in 2 when 2 0.

  

Source: Aarts, Gert - Department of Physics, University of Wales Swansea

 

Collections: Physics