The behaviour of the topological susceptibility χ in QCD with two colours and 8 flavours of quarks is studied at nonzero temperature on the lattice across the finite density transition. It is shown that the signal of χ drops abruptly at a critical chemical potential μc, much as it happens at the finite temperature and zero density transition. The Polyakov loop and the chiral condensate undergo their transitions at the same critical value μc. At a value μs of the chemical potential, called saturation point, which in our case satisfies μs >μc, Pauli blocking supervenes and consequently the theory becomes quenched.

Behaviour of the topological susceptibility in two colour QCD across the finite density transition.

D'ELIA, MASSIMO;
2006-01-01

Abstract

The behaviour of the topological susceptibility χ in QCD with two colours and 8 flavours of quarks is studied at nonzero temperature on the lattice across the finite density transition. It is shown that the signal of χ drops abruptly at a critical chemical potential μc, much as it happens at the finite temperature and zero density transition. The Polyakov loop and the chiral condensate undergo their transitions at the same critical value μc. At a value μs of the chemical potential, called saturation point, which in our case satisfies μs >μc, Pauli blocking supervenes and consequently the theory becomes quenched.
2006
Alles, B; D'Elia, Massimo; Lombardo, M. P.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/100374
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 42
  • ???jsp.display-item.citation.isi??? 37
social impact