Multi-winding flux tubes in CFL quark matter - INSPIRE

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Multi-winding flux tubes in CFL quark matter

Nov 29, 2018

13 pages

Part of Proceedings, 13th Conference on Quark Confinement and the Hadron Spectrum (Confinement XIII) : Maynooth, Ireland, July 31-August 06, 2018, 213

Published in:

PoS Confinement2018 (2018) 213

Contribution to:

- Confinement XIII
, 213

Published: Nov 29, 2018 by SISSA

e-Print:

1811.12302 [hep-ph]

DOI:

10.22323/1.336.0213

View in:

ADS Abstract Service

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Abstract: (SISSA)

Color-flavor locked quark matter can be described as a three-component superconductor and thus shows unconventional behavior in the transition regime from type-I to type-II superconductivity. We discuss this behavior by studying magnetic line defects in a Ginzburg-Landau approach, taking into account all possible values of the three winding numbers.After a brief discussion of the defects that include baryon circulation we focus on pure magnetic flux tubes. We show that at strong coupling, relevant for neutron stars, type-II behavior is conceivable and the most preferred configuration has minimal total winding. Only at weak coupling we find a regime where multi-winding flux tubes are preferred, although this regime most likely requires an unrealistically large superconducting gap.

Note:

12 pages, 3 figures, proceedings contribution to "XIIIth Quark Confinement and the Hadron Spectrum", 31 July - 6 August 2018, Maynooth University, Ireland

quark: matter
superconductivity: gap
flux tube: magnetic
defect
color flavor locked phase
strong coupling
weak coupling
neutron star
baryon

References(19)

Figures(4)

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in preparation. 12

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