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2011

Solving the Complex Phase Problem in a QCD Related Model

Delgado, Ydalia, Evertz, Hans Gerd, Gattringer, Christof

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We discuss an effective theory for QCD at finite chemical potential and non-zero temperature, where QCD is reduced to its center degrees of freedom.

The effective action can be mapped to a flux representation, where the complex phase problem is solved and the theory accessible to Monte Carlo techniques.
In this work, we use a generalized Prokof'ev-Svistunov worm algorithm to perform the simulations and determine the phase diagram as a function of temperature, quark mass and chemical potential.
It turns out that the transition is qualitatively as expected for QCD.

Solving the Complex Phase Problem in a QCD Related Model · Around

Built on

L. McLerran, B. Svetitsky, Phys. Rev. D 24, 450 (1981). L.G. Yaffe, B. Svetitsky, Phys. Rev. D 26
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Similar

N. Prokof’ev, B. Svistunov, Phys. Rev. Lett. 87
2001
Cited alongside, same era.
M.G. Alford et al
2001
Cited alongside, same era.
Y. Aoki et al. , Nature 443
2006
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S. Kim et al
2006
Cited alongside, same era.
Y. Delgado, H. G. Evertz and C. Gattringer, arXiv:1102.3096 [hep-lat]
Original
Cited in the paper.
C. Gattrigner, arXiv:1104.2503 [hep-lat]
Original
Cited in the paper.

Then

P. de Forcrand, PoS LAT2009 (2009) 010 [arXiv:1005.0539 [hep-lat]]. S. Gupta, PoS LATTICE2010 (2010) 007. [arXiv:1101.0109 [hep-lat]]
Original
2010
Later among the works it cites.
P. de Forcrand and O. Philipsen, Phys. Rev. Lett. 105
2010
Later among the works it cites.
E. Bilgici et al , Phys. Lett. B. 697
Original
2011
Closest in time.

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