Color-flavor locked strange matter and strangelets at finite temperature
- Instituto de Fisica, Universidade de Sao Paulo, Rua do Matao, Travessa R, 187 Cidade Universitaria, Sao Paulo, SP 05508-090 (Brazil)
It is possible that a system composed of up, down, and strange quarks exists as the true ground state of nuclear matter at high densities and low temperatures. This exotic plasma, called strange quark matter (SQM), seems to be even more favorable energetically if quarks are in a superconducting state, the so-called color-flavor locked state. Here we present calculations made on the basis of the MIT bag model, considering the influence of finite temperature on the allowed parameters characterizing the system for stability of bulk SQM (the so-called stability windows) and also for strangelets, small lumps of SQM, both in the color-flavor locking scenario. We compare these results with the unpaired SQM and also briefly discuss some astrophysical implications of them. Also, the issue of the strangelet's electric charge is discussed. The effects of dynamical screening, though important for nonpaired SQM strangelets, are not relevant when considering pairing among all three flavors and colors of quarks.
- OSTI ID:
- 21199454
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 78, Issue 6; Other Information: DOI: 10.1103/PhysRevC.78.064907; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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