摘要
We study the propagator for an electron moving in a two-dimensional (2D) quadratic saddle-point potential, in the presence of a perpendicular uniform magnetic field. A closed-form expression for the propagator is derived using the Feynmann path integrals.
We study the propagator for an electron moving in a two-dimensional (2D) quadratic saddle-point potential, in the presence of a perpendicular uniform magnetic field. A closed-form expression for the propagator is derived using the Feynmann path integrals.
基金
supported by the National Natural Science Foundation of China (Grant No. 10805029)
the Zhejiang Natural Science Foundation,China (Grant No. R6090717)
the K.C. Wong Magna Foundation of Ningbo University,China