Two Colours QCD at Nonzero Chemical Potential
Susan Morrison, Simon Hands (University of Wales Swansea)
TL;DR
This paper investigates the low and high density phases of SU(2) lattice gauge theory with staggered fermions, identifying Goldstone modes and measuring diquark condensates through hybrid Monte Carlo simulations.
Contribution
It identifies Goldstone modes in different density phases and demonstrates how to implement and measure diquark condensates in lattice simulations.
Findings
Identification of Goldstone modes in low and high density phases
Implementation of diquark source term in lattice simulations
First measurements of lattice diquark condensate as a function of source
Abstract
We identify the Goldstone modes appropriate to the low and high density phases of SU(2) lattice gauge theory with staggered fermions. We present hybrid Monte Carlo simulation results for susceptibilities on a 6^4 lattice at beta=1.5, m=0.05. We specify how to implement a diquark source term in a lattice simulation and present first measurements of the lattice diquark condensate as a function of the diquark source.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research · Atomic and Subatomic Physics Research