arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1302.4614hep-thcond-mat.mtrl-scimath-phmath.MPquant-ph
收藏

常磁场中存在最小长度时(2+1)维Dirac方程的精确解

Exact solutions of the (2+1) Dimensional Dirac equation in a constant magnetic field in the presence of a minimal length

L. Menculini, O. Panella, P. Roy

摘要:

研究了均匀磁场中的(2+1)维Dirac方程(相对论Landau问题)在最小长度或广义不确定原理-GUP-情形下的解.我们推导出一个给定的显式表示的GUP的精确解,并提供在动量表示的波函数的表达式。我们发现,在最小长度情形下,态的简并度被修正,并且存在在普通量子力学极限(β-->0)下不存在的态.我们还讨论了无质量的情况下,可能会发现在描述带电费米子在新材料,如石墨烯的行为的应用。

英文摘要:

We study the (2+1) dimensional Dirac equation in an homogeneous magnetic field (relativistic Landau problem) within a minimal length, or generalized uncertainty principle -GUP-, scenario. We derive exact solutions for a given explicit representation of the GUP and provide expressions of the wave functions in the momentum representation. We find that in the minimal length case the degeneracy of the states is modified and that there are states that do not exist in the ordinary quantum mechanics limit (β-->0). We also discuss the mass-less case which may find application in describing the behavior of charged fermions in new materials like Graphene.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑