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Inhomogeneous chiral condensates in three-flavor quark matter

Carignano, Stefano ; Buballa, Michael (2022):
Inhomogeneous chiral condensates in three-flavor quark matter. (Publisher's Version)
In: Physical Review D, 101 (1), American Physical Society, ISSN 2470-0010, e-ISSN 2470-0029,
DOI: 10.26083/tuprints-00012674,
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Item Type: Article
Origin: Secondary publication
Status: Publisher's Version
Title: Inhomogeneous chiral condensates in three-flavor quark matter
Language: English
Abstract:

We investigate the effect of strange-quark degrees of freedom on the formation of inhomogeneous chiral condensates in a three-flavor Nambu–Jona-Lasinio model in mean-field approximation. A GinzburgLandau study complemented by a stability analysis allows us to determine in a general way the location of the critical and Lifshitz points, together with the phase boundary where the (partially) chirally restored phase becomes unstable against developing inhomogeneities, without resorting to specific assumptions on the shape of the chiral condensate. We discuss the resulting phase structure and study the influence of the bare strange-quark mass ms and the axial anomaly on the size and location of the inhomogeneous phase compared to the first-order transition associated with homogeneous matter. We find that, as a consequence of the axial anomaly, the critical and the Lifshitz point split. For realistic strange-quark masses, the effect is, however, very small and becomes sizeable only for small values of ms.

Journal or Publication Title: Physical Review D
Volume of the journal: 101
Issue Number: 1
Publisher: American Physical Society
Collation: 12 Seiten
Classification DDC: 500 Naturwissenschaften und Mathematik > 530 Physik
Divisions: 05 Department of Physics > Institute of Nuclear Physics
05 Department of Physics > Institute of Nuclear Physics > Theoretische Kernphysik > Kernphysik und Nukleare Astrophysik
Date Deposited: 09 Mar 2022 13:30
Last Modified: 10 Mar 2022 09:54
DOI: 10.26083/tuprints-00012674
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-126747
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/12674
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