Quark number susceptibility at finite density and low temperature
Pietro Giudice, Simon Hands, Jon-Ivar Skullerud
TL;DR
This paper investigates quark number susceptibility in SU(2) lattice gauge theory at finite density and low temperature, providing numerical results and discussing implications for the phase diagram and related observables.
Contribution
It offers new numerical insights into quark number susceptibility at non-zero chemical potential in SU(2) gauge theory, highlighting its relation to phase transitions.
Findings
Susceptibility varies with chemical potential and lattice parameters
Correlation between susceptibility and Polyakov loop observed
Results inform understanding of the phase diagram at low temperature
Abstract
We study the quark number susceptibility in SU(2) lattice gauge theory with two Wilson quark flavours at non-zero chemical potential and low temperature. We present some technical aspects of the issue and numerical results obtained at different lattices and different parameters. We discuss what this observable can teach us about the phase diagram of the model and in particular about the relation between susceptibility and Polyakov loop
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