The Superfluid and Conformal Phase Transitions of Two-Color QCD

J. T. Lenaghan, F. Sannino, K. Splittorff

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Abstrakt

The phase structure of two-color QCD is examined as a function of the chemical potential and the number of light quark flavors. We consider effective Lagrangians for two-color QCD containing the Goldstone excitations, spin-one particles and negative intrinsic parity terms. We discuss the possibility of a conformal phase transition and the enhancement of the global symmetries as the number of flavors is increased. The effects of a quark chemical potential on the spin-one particles and on the negative intrinsic parity terms are analyzed. It is shown that the phase diagram that is predicted by the linearly realized effective Lagrangian at tree-level matches exactly that predicted by chiral perturbation theory.
OriginalsprogEngelsk
Artikelnummer054002
TidsskriftPhysical Review D
Vol/bind65
Udgave nummer5
ISSN2470-0010
DOI
StatusUdgivet - 1. mar. 2002
Udgivet eksterntJa

Bibliografisk note

ReVTeX, 23 pages, 3 figures. Discussion of vector condensation extended, two figures added, references added

Emneord

  • hep-ph
  • hep-lat
  • nucl-th

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