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  • Studujeme relativistické BCS-BEC překrytí ve třídě modelů typu Nambu-Jona-Lasinio, obsahující kanály skalárního párování. Vyšetřujeme spektrální vlastnosti kolektivních excitací v aproximaci středního pole. (cs)
  • We study the relativistic BCS-BEC crossover within a class of Nambu-Jona-Lasinio type models, including arbitrary Lorentz-scalar pairing channels. Using the mean-field approximation we investigate spectral properties of the collective bosonic excitations in the superfluid phase, with particular attention to the Nambu-Goldstone bosons of the broken symmetry. This is a first step towards a systematic improvement of the mean-field approximation by including the fluctuation effects. The general results are illustrated on pairing in dense two-flavor quark matter-the two-flavor color superconductor.
  • We study the relativistic BCS-BEC crossover within a class of Nambu-Jona-Lasinio type models, including arbitrary Lorentz-scalar pairing channels. Using the mean-field approximation we investigate spectral properties of the collective bosonic excitations in the superfluid phase, with particular attention to the Nambu-Goldstone bosons of the broken symmetry. This is a first step towards a systematic improvement of the mean-field approximation by including the fluctuation effects. The general results are illustrated on pairing in dense two-flavor quark matter-the two-flavor color superconductor. (en)
Title
  • BCS-BEC crossover in dense relativistic matter: Collective excitations
  • BCS-BEC crossover in dense relativistic matter: Collective excitations (en)
  • BCS-BEC překrytí v husté relativistické hmotě: kolektivní exitace (cs)
skos:prefLabel
  • BCS-BEC crossover in dense relativistic matter: Collective excitations
  • BCS-BEC crossover in dense relativistic matter: Collective excitations (en)
  • BCS-BEC překrytí v husté relativistické hmotě: kolektivní exitace (cs)
skos:notation
  • RIV/61389005:_____/08:00311323!RIV09-AV0-61389005
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/06/0734), Z(AV0Z10480505)
http://linked.open...iv/cisloPeriodika
  • 9
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 357702
http://linked.open...ai/riv/idVysledku
  • RIV/61389005:_____/08:00311323
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • quark matter; dynamical model; gross-neveu (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [241FF3460F4C]
http://linked.open...i/riv/nazevZdroje
  • Physical Review D: Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 77
http://linked.open...iv/tvurceVysledku
  • Brauner, Tomáš
http://linked.open...ain/vavai/riv/wos
  • 000256297000083
http://linked.open...n/vavai/riv/zamer
issn
  • 1550-7998
number of pages
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