Abstract
In the Rarita-Schwinger formalism, the relativistic spin projection operators are discussed with the help of the Pauli-Lubanski four-vector. It is shown that this approach is equivalent to the conventional one, but moreover, it enables one to derive recurrence relations for the spin projection operators. Such relations can be useful in practical applications.
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Bednář, M., Kolář, P. On the relativistic spin projection operators. Czech J Phys 43, 777–782 (1993). https://doi.org/10.1007/BF01589798
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DOI: https://doi.org/10.1007/BF01589798