论文标题
圆环上的dirac fermion的量子回流
Quantum backflow of a Dirac fermion on a ring
论文作者
论文摘要
我们研究了相对论充电的dirac fermion的量子回流问题,这些问题被限制在半径$ r $的环上移动。使用相对论电流操作员,我们通过通用时间间隔计算概率通量,以显示量子回流的出现。当粒子沿线移动时,我们还讨论了限制案例。
We study the quantum backflow problem of a relativistic charged Dirac fermion constrained to move on a ring of radius $R$. Using the relativistic current operator we compute the probability flux through a generic time interval to show emergence of quantum backflow. We also discuss the limiting case when the particle moves along a line.