We study unquenched lattice SU(2) at nonzero chemical potential at strong coupling and with eight flavours of Kogut–Susskind fermions. Introducing a diquark source term we analyze the behaviour of different types of fermion condensates. Using a non standard approach we can obtain results at zero external source without extrapolations. We find strong evidences for a (high density) second order phase transition where a diquark condensate appears. The corresponding critical chemical potential is in good agreement with half the pion mass.
Titolo: | Fermion condensates in two colours finite density QCD at strong coupling |
Autori: | |
Data di pubblicazione: | 2000 |
Rivista: | |
Abstract: | We study unquenched lattice SU(2) at nonzero chemical potential at strong coupling and with eight flavours of Kogut–Susskind fermions. Introducing a diquark source term we analyze the behaviour of different types of fermion condensates. Using a non standard approach we can obtain results at zero external source without extrapolations. We find strong evidences for a (high density) second order phase transition where a diquark condensate appears. The corresponding critical chemical potential is in good agreement with half the pion mass. |
Handle: | http://hdl.handle.net/11697/11182 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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