Phys. Rev. D 64, 025005 (2001) - Color superconductivity and nondecoupling phenomena in (2+1)-dimensional QCD

Color superconductivity and nondecoupling phenomena in (2+1)-dimensional QCD

V. A. Miransky, G. W. Semenoff, I. A. Shovkovy, and L. C. R. Wijewardhana

Phys. Rev. D 64, 025005 – Published 6 June 2001

Abstract

The possibility of generating a color superconducting state in (2+1)-dimensional QCD is analyzed. The gap equation in the leading, hard-dense loop improved, one-gluon exchange approximation is derived and solved. The magnitude of the order parameter is proportional to a power of the coupling constant. For an asymptotically large chemical potential, a qualitatively new [with respect to the $(3 + 1)$ -dimensional case] phenomenon of nondecoupling of the fermion pairing dynamics from the infrared one is revealed and discussed.

Received 21 March 2001

DOI:https://doi.org/10.1103/PhysRevD.64.025005

©2001 American Physical Society

Authors & Affiliations

V. A. Miransky^*

Department of Applied Mathematics, University of Western Ontario, London, Ontario, Canada N6A 5B7

Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, British Columbia, Canada V6T 1Z1

I. A. Shovkovy^*

School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455

L. C. R. Wijewardhana

Physics Department, University of Cincinnati, Cincinnati, Ohio 45221-0011

^*On leave of absence from Bogolyubov Institute for Theoretical Physics, Kiev 252143, Ukraine.

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Vol. 64, Iss. 2 — 15 July 2001

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