在均匀磁场中“graphinos”的硬和软超对称破缺。
Hard and soft supersymmetry breaking for 'graphinos' in uniform magnetic fields.
机构信息
Instituto de Física y Matemáticas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio C-3, Ciudad Universitaria, 58060 Morelia, Michoacán, Mexico.
出版信息
J Phys Condens Matter. 2012 Jan 11;24(1):015304. doi: 10.1088/0953-8984/24/1/015304.
Using irreducible and reducible representations of the Dirac matrices, we study the two- and four-component quantum mechanical supersymmetric (SUSY) theories for ultrarelativistic fermions in .2 C 1/ dimensions ('graphinos') in a background uniform magnetic field perpendicular to their plane of motion. We then consider ordinary and parity-violating mass terms and identify the former as a soft SUSY breaking term and the latter as the hard SUSY breaking one.
利用狄拉克矩阵的不可约和约化表示，我们研究了在背景均匀磁场中运动于其所在平面的.2 C 1/ 维（“graphinos”）超相对论费米子的二分量和四分量量子力学超对称（SUSY）理论。然后，我们考虑了普通和宇称破坏质量项，并将前者视为软 SUSY 破坏项，将后者视为硬 SUSY 破坏项。
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