A5072719116- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Particle physics theoretical and experimental studies
- Pulsars and Gravitational Waves Research
- Cold Atom Physics and Bose-Einstein Condensates
- Physics of Superconductivity and Magnetism
- Quantum, superfluid, helium dynamics
National University of Ireland, Maynooth
2013-2020
The University of Adelaide
2016
We study two-color QCD with two flavors of Wilson fermion as a function quark chemical potential $\ensuremath{\mu}$ and temperature $T$, for different lattice spacings masses. find that the quarkyonic region, where behavior number density diquark condensate are described by Fermi sphere almost free quarks distorted Bardeen-Cooper-Schrieffer gap, extends to larger potentials decreasing spacing or mass. In both cases, also approaches its noninteracting value. The pressure at low is found...
2-color QCD is the simplest QCD-like theory which accessible to lattice simulations at finite density. It therefore plays an important role test qualitative features and provide benchmarks other methods models, do not suffer from a sign problem. To this end, we determine minimal-Landau-gauge propagators 3-point vertices in over wide range of densities, vacuum, both temperature The results show that there essentially no modification gauge sector low-temperature, low-density phase. Even...
QCD at high chemical potential has interesting properties such as deconfinement of quarks. Two-color QCD, which enables numerical simulations on the lattice, constitutes a laboratory to study potential. Among two-color density is diquark condensation, for we present recent results obtained finer lattice compared previous studies. The quark propagator in non-zero referred Gor'kov propagator. We express terms form factors and simulation results.
2-color QCD, i. e. QCD with the gauge group SU(2), is simplest non-Abelian theory without sign problem at finite quark density. Therefore its study on lattice a benchmark for other non-perturbative approaches To provide such benchmarks we determine minimal-Landau-gauge 2-point and 3-gluon correlation functions of sector running coupling We observe no significant effects, except some low-momentum screening gluons above supposed high-density phase transition.
We investigate 2-colour QCD with 2 flavours of Wilson fermion at nonzero temperature T and quark chemical potential µ, a pion mass 700 MeV (m π /m ρ = 0.8).From scans fixed µ we find that the critical for superfluid to normal transition depends only very weakly on above onset potential, while deconfinement crossover is clearly decreasing µ.We also present results Landau-gauge gluon propagator in hot dense medium.
We investigate 2-colour QCD with 2 flavours of Wilson fermion at nonzero temperature T and quark chemical potential mu, a pion mass 700 MeV (m_pi/m_rho=0.8). From scans fixed mu we find that the critical for superfluid to normal transition depends only very weakly on above onset potential, while deconfinement crossover is clearly decreasing mu. also present results Landau-gauge gluon propagator in hot dense medium.