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arXiv 1402.7039hep-thgr-qcmath-phmath.MP
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2+1维相对论波动方程的非对易变形

Towards Non-Commutative Deformations of Relativistic Wave Equations in 2+1 Dimensions

Bernd J. Schroers, Matthias Wilhelm

摘要:

考虑2+1维庞加莱群变形为洛伦兹群的量子双,构造了变形理论中描述自旋为0,1/2和1的大质量粒子的不可约表示的洛伦兹协变动量空间公式.讨论了通过适当定义的傅里叶变换得到2+1维相对论性波动方程如Klein-Gordon、Dirac和Proca方程的非对易形式的方法,并指出了非对易Dirac方程与Atiyah和Moore所考虑的指数化Dirac算子之间的关系.

英文摘要:

We consider the deformation of the Poincaré group in 2+1 dimensions into the quantum double of the Lorentz group and construct Lorentz-covariant momentum-space formulations of the irreducible representations describing massive particles with spin 0, 1/2 and 1 in the deformed theory. We discuss ways of obtaining non-commutative versions of relativistic wave equations like the Klein-Gordon, Dirac and Proca equations in 2+1 dimensions by applying a suitably defined Fourier transform, and point out the relation between non-commutative Dirac equations and the exponentiated Dirac operator considered by Atiyah and Moore.

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