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Hadron Spectrum in a Two-Colour Baryon-Rich Medium · Around

2007

Hadron Spectrum in a Two-Colour Baryon-Rich Medium

Hands, Simon, Sitch, Peter, Skullerud, Jon-Ivar

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The hadron spectrum of SU(2) lattice gauge theory with two flavours of Wilson quark is studied on an 8^3x16 lattice using all-to-all propagators, with particular emphasis on the dependence on quark chemical potential mu.

As mu is increased from zero the diquark states with non-zero baryon number B respond as expected, while states with B=0 remain unaffected until the onset of non-zero baryon density at mu=m_pi/2.
Post onset the pi-meson mass increases in accordance with chiral perturbation theory while the rho becomes lighter.
In the diquark sector a Goldstone state associated with a superfluid ground state can be identified.

Built on

B. Lenkeit et al
1999
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Nucl. Phys. B582
J.B. Kogut, M.A. Stephanov, D. Toublan, J.J.M. Verbaarschot, and A. Zhitnitsky, · 2000
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S.J. Hands, I. Montvay, S.E. Morrison, M. Oevers, L. Scorzato and J.I. Skullerud, Eur. Phys. J. C17
2000
Earlier work this paper cites.
J.B. Kogut, D.K. Sinclair, S.J. Hands and S.E. Morrison, Phys. Rev. D 64
2001
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T. Schäfer, Phys. Rev. D 65
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Earlier work this paper cites.

Similar

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Cited in the paper.

Then

Comput. Phys. Commun. 172
J. Foley et al · 2005
Later among the works it cites.
T. Suzuki et al
Original
2005
Later among the works it cites.
S.J. Hands, S. Kim, and J.I. Skullerud, Eur. Phys. J. C48
2006
Later among the works it cites.
S.J. Hands, S. Kim and J.I. Skullerud, Eur. Phys. J. A31
2007
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