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Massless finite and infinite spin representations of Poincaré group in six dimensions
Physics Letters B ( IF 4.3 ) Pub Date : 2021-01-07 , DOI: 10.1016/j.physletb.2021.136064 I.L. Buchbinder , S.A. Fedoruk , A.P. Isaev , M.A. Podoinitsyn
中文翻译:
庞加莱群在六个维度上的无质量有限和无限自旋表示
更新日期:2021-01-12
Physics Letters B ( IF 4.3 ) Pub Date : 2021-01-07 , DOI: 10.1016/j.physletb.2021.136064 I.L. Buchbinder , S.A. Fedoruk , A.P. Isaev , M.A. Podoinitsyn
We study the massless irreducible representations of the Poincaré group in the six-dimensional Minkowski space. The Casimir operators are constructed and their eigenvalues are found. It is shown that the finite spin (helicity) representation is defined by two integer or half-integer numbers while the infinite spin representation is defined by the real parameter and one integer or half-integer number.
中文翻译:
庞加莱群在六个维度上的无质量有限和无限自旋表示
我们研究了六维Minkowski空间中庞加莱群的无质量不可约表示。构造卡西米尔算子并找到其特征值。结果表明,有限自旋(螺旋)表示由两个整数或半整数定义,而无限自旋表示由实数参数定义 和一个整数或半整数。