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Charged pion condensation in the chiral limit

Montano, David and Politzer, H. David and Wise, Mark B. (1992) Charged pion condensation in the chiral limit. Nuclear Physics B, 375 (3). pp. 507-526. ISSN 0550-3213. doi:10.1016/0550-3213(92)90109-O.

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We examine, in the chiral limit where the up and down quark masses are vanishingly small, the stability of the pure neutron ground state to small fluctuations due to charge and baryon number conserving strong interactions. It is shown that the ground state energy density as a function of pion field expectation value is determined by Weinberg's baryon two-body potential and by a calculable neutron-proton mass difference in the medium. This provides some insight into the competing physical effects that play a role in determining whether a charged pion condensate forms in dense nuclear matter. We find that in the chiral limit these effects suppress charged pion condensation.

Item Type:Article
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Politzer, H. David0000-0002-4983-6621
Additional Information:© 1992 Elsevier B.V. Received 26 November 1991. Revised 23 January 1992. Accepted for publication 6 February 1992.
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC-03-81-ER40050
Issue or Number:3
Record Number:CaltechAUTHORS:20161018-093333924
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Official Citation:David Montano, H. David Politzer, Mark B. Wise, Charged pion condensation in the chiral limit, Nuclear Physics B, Volume 375, Issue 3, 1992, Pages 507-526, ISSN 0550-3213, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71208
Deposited By: Joy Painter
Deposited On:18 Oct 2016 16:38
Last Modified:11 Nov 2021 04:41

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