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Holographic Roberge-Weiss transitions

Gert Aarts Orcid Logo, Prem Kumar Orcid Logo, Jim Rafferty Orcid Logo

Journal of High Energy Physics

Swansea University Authors: Gert Aarts Orcid Logo, Prem Kumar Orcid Logo, Jim Rafferty Orcid Logo

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DOI (Published version): 10.1007/JHEP07(2010)056

Abstract

We investigate N=4 SYM coupled to fundamental flavours at nonzero imaginary 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 Z(N) symmetry and the imaginary...

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Published in: Journal of High Energy Physics
Published: 2010
URI: https://cronfa.swan.ac.uk/Record/cronfa7467
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Abstract: We investigate N=4 SYM coupled to fundamental flavours at nonzero imaginary 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 Z(N) 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 temperature, give the curvature of the phase boundaries and confirm that the theory is analytic in mu^2 when mu^2~0.
College: Faculty of Science and Engineering