论文标题
超临界耦合方案中有限温度下的RQED手性对称性恢复
Chiral symmetry restoration in RQED at finite temperature in the supercritical coupling regime
论文作者
论文摘要
我们探索与石墨烯和其他2D材料相关的有限温度(或伪)量子电动力学中的手性对称性破裂的条件,并具有电荷载体的潜在迪拉克行为。通过在彩虹近似中求解相应的schwinger-dyson方程,在landau样量规和忽略波函数的重生效应中,我们发现耦合需要超过临界值$α_c$,以使手性符号对称性与其他组的已知结果折断,以使手性符号对称性受到破坏。在这个超临界状态下,我们在温度$ t $下添加热浴的效果,并找到导致手性对称性恢复的此参数的临界值。
We explore the conditions for chiral symmetry breaking in reduced (or pseudo) quantum electrodynamics at finite temperature in connection with graphene and other 2D-materials with an underlying Dirac behavior of the charge carriers. By solving the corresponding Schwinger-Dyson equation in rainbow approximation, in a Landau-like gauge and neglecting wavefunction renormalization effects, we find the need of the coupling to exceed a critical value $α_c$ in order for chiral symmetry to be broken, in agreement with known results from other groups. In this supercritical regime, we add the effects of a thermal bath at temperature $T$ and find the critical values of this parameter that leads to chiral symmetry restoration.