狄拉克动力学与宇称对称性的关系
The connection between Dirac dynamic and parity symmetry
摘要:
狄拉克旋量是当前文献中的重要对象,教科书中给出的代数结构是写它的一般方法,但不是唯一的。目前的工作的目的是显示另一种方法来构建狄拉克旋量,考虑到洛伦兹表示空间(1/2,0)和(0,1/2)之间的交换由“魔术泡利矩阵”,而不是宇称,因为它通常被认为。众所周知,宇称算符与狄拉克动力学密切相关.重点是建立狄拉克动力学与宇称算符之间的关系,即L。D. Sperança(2014年)。
英文摘要:
Dirac spinors are important objects in the current literature, the algebraic structure presented in the text-books is a general method to write it, however, not unique. The purpose of the present work is to show an alternative approach to construct Dirac spinors, considering the interchange between the Lorentz representation space (1/2,0) and (0,1/2) made by the "Magic of Pauli matrices" and not by parity, as commonly it was thought. As it is well known, parity operator is related with the Dirac dynamics. The major focus is to establish the relation between Dirac dynamics with parity operator, the reverse path shown in L. D. Sperança (2014).
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