Stea quark

O stea quark este un tip de stea ipotetică exotică compusă din materie quark, sau materie stranie. Acestea sunt faze super-dense ale materiei degenerate despre care se teoretizează că ar forma interiorul stelelor neutronice deosebit de masive.

Este teoretizat că atunci când materia degenerată de neutroni ce alcătuiește o stea neutronică este pusă sub presiune suficientă datorată gravității stelei, neutronii individuali se descompun în subparticulele componente: quarcii. Unii dintre aceștia ar putea deveni mai ciudați și ar putea da naștere unei materii necunoscute. Apoi, steaua este cunoscută sub denumirea de stea quark sau stea stranie. [1][2]

Vezi și

Portal icon Portal Stea

Referințe

  1. ^ Witten, Edward (). „Cosmic separation of phases”. Physical Review D. 30 (2): 272–285. Bibcode:1984PhRvD..30..272W. doi:10.1103/PhysRevD.30.272. 
  2. ^ Zhitnitsky, Ariel R (). „'Nonbaryonic' dark matter as baryonic colour superconductor”. Journal of Cosmology and Astroparticle Physics. 2003 (10): 010–010. arXiv:hep-ph/0202161 Accesibil gratuit. Bibcode:2003JCAP...10..010Z. doi:10.1088/1475-7516/2003/10/010. 
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