Dynamics of the relativistic electron spin in an electromagnetic field

28 Feb 2020 Mondal Ritwik Oppeneer Peter M.

A relativistic spin operator cannot be uniquely defined within relativistic quantum mechanics. Previously, different proper relativistic spin operators have been proposed, such as spin operators of the Foldy-Wouthuysen and Pryce type, that both commute with the free-particle Dirac Hamiltonian and represent constants of motion... (read more)

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