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Lattice Study of Dense Matter with Two Colors and Four Flavors · Around

2011

Lattice Study of Dense Matter with Two Colors and Four Flavors

Hands, Simon, Kenny, Philip, Kim, Seyong et al.

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We present results from a simulation of SU(2) lattice gauge theory with N_f=4 flavors of Wilson fermion and non-zero quark chemical potential mu, using the same 12^3x24 lattice, bare gauge coupling, and pion mass in cut-off units as a previous study with N_f=2.

The string tension for N_f=4 is found to be considerably smaller implying smoother gauge field configurations.
Thermodynamic observables and order parameters for superfluidity and color deconfinement are studied, and comparisons drawn between the two theories.
Results for quark density and pressure as functions of mu are qualitatively similar for N_f=2 and N_f=4; in both cases there is evidence for a phase in which baryonic matter is simultaneously degenerate and confined.

Built on

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S.J. Hands, J.B. Kogut, M.P. Lombardo and S.E. Morrison, Nucl. Phys. B 558
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S.J. Hands, I. Montvay, S.E. Morrison, M. Oevers, L. Scorzato and J.I. Skullerud, Eur. Phys. J. C 17
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J.B. Kogut, M.A. Stephanov, D. Toublan, J.J.M. Verbaarschot and A. Zhitnitsky, Nucl. Phys. B 582
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J.B. Kogut, D.K. Sinclair, S.J. Hands and S.E. Morrison, Phys. Rev. D 64
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R. Aloisio, V. Azcoiti, G. Di Carlo, A. Galante and A. F. Grillo, Nucl. Phys. B 606
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Similar

S.J. Hands, I. Montvay, L. Scorzato and J. Skullerud, Eur. Phys. J. C 22
2001
Cited alongside, same era.
S. Muroya, A. Nakamura and C. Nonaka, Phys. Lett. B 551
2003
Cited alongside, same era.
S. Hands, S. Kim and J.I. Skullerud, Eur. Phys. J. C 48
2006
Cited alongside, same era.
B. Alles, M. D’Elia and M.P. Lombardo, Nucl. Phys. B 752
2006
Cited alongside, same era.
L. McLerran and R.D. Pisarski, Nucl. Phys. A 796
2007
Cited alongside, same era.
S.J. Hands and P. Kenny, [arXiv:1104.0522 [hep-lat]]
Original
Cited in the paper.

Then

S. Hands, P. Sitch and J.I. Skullerud, Phys. Lett. B 662
2008
Later among the works it cites.
M.P. Lombardo, M.L. Paciello, S. Petrarca and B. Taglienti, Eur. Phys. J. C 58
2008
Later among the works it cites.
S. Gupta, K. Huebner and O. Kaczmarek, Phys. Rev. D 77
2008
Later among the works it cites.
S. Hands, S. Kim and J.I. Skullerud, Phys. Rev. D 81
2010
Later among the works it cites.
P. Kenny, Ph.D. thesis, Swansea University (2010)
2010
Later among the works it cites.

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