Exact propagator for an electron in a quadratic saddle-point potential and a magnetic field

Exact propagator for an electron in a quadratic saddle-point potential and a magnetic field

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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.

作者杨涛翟智远潘孝胤

机构地区 Department of Physics and Institute of Modern Physics

出处《Chinese Physics B》 SCIE EI CAS CSCD 2011年第4期48-52,共5页 中国物理B（英文版）

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

关键词 Feynmann path integrals PROPAGATOR quadratic saddle-point potential Feynmann path integrals, propagator, quadratic saddle-point potential

分类号 O413.1 [理学—理论物理]

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Chinese Physics B

2011年第4期

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Exact propagator for an electron in a quadratic saddle-point potential and a magnetic field

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