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arXiv math-ph/0411004math-phhep-thmath.MP
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自旋为1/2和1的螺旋度基和离散对称运算

Helicity Basis for Spin 1/2 and 1, and Discrete Symmetry Operations

Valeri V. Dvoeglazov, J. L. Quintanar Gonzalez

备注：
6pp., iopconf.sty file, Talk given at the XXV International Colloquium on Group Theoretical Methods in Physics, Cocoyoc, Mexico, August 2-6, 2004
发表信息：
Inst. Phys. Conf. Ser. No. 185. Proceedings of the 25th Int. Coll. Group Theor. Methods in Physics, Cocoyoc, Mexico, Aug. 2-6, 2004, pp. 249-254
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摘要：

在螺旋度基下研究了Lorentz群的（1/2，0）+（0，1/2）和（1，0）+（0，1）表示理论.螺旋度本征态不是宇称本征态。这与Berestetskii，Lifshitz和Pitaevskii的想法一致。还考虑了螺旋度本征态关于电荷共轭和CP-共轭的性质。

英文摘要：

We study the theory of the (1/2,0)+(0,1/2) and (1,0)+(0,1) representations of the Lorentz group in the helicity basis. The helicity eigenstates are not the parity eigenstates. This is in accordance with the idea of Berestetskii, Lifshitz and Pitaevskii. The properties of the helicity eigenstates with respect to the charge conjugation and the CP- conjugation are also considered.

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