24-30 July 2016
Highfield Campus, University of Southampton
Europe/London timezone

The CP(2) Model at Nonzero Chemical Potential

29 Jul 2016, 14:20
20m
Building 67 Room 1027 (Highfield Campus, University of Southampton)

Building 67 Room 1027

Highfield Campus, University of Southampton

Talk Nonzero Temperature and Density Nonzero Temperature and Density

Speaker

Dr Wynne Evans (University of Bern)

Description

CP(N-1) quantum field theories in (1+1)-d share important features with (3+1)-d QCD, such as asymptotic freedom, a dynamically generated mass gap and topological sectors. In the low energy limit the (2+1)-d SU(3) spin system undergoes spontaneous symmetry breaking and hence dimensional reduction to the (1+1)-d CP(2) model. By performing Monte Carlo simulations of (2+1)-d SU(3) spin systems at non-zero chemical potential we have gained access to the (1+1)-d CP(2) model at non-zero chemical potential. The theory which underpins our calculation will be reviewed and numerical results for the magnetisations and correlation functions as a function of the chemical potentials will be discussed.

Primary author

Dr Wynne Evans (University of Bern)

Co-authors

Dr Urs Gerber (Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México) Prof. Uwe-Jens Wiese (University of Bern)

Presentation Materials