Summary
The most general, finite, proper Lorentz transformation is generated in terms of an infinitesimal transformation. This generator is interpreted as a relativistic spin operator which is capable of describing in a relativistically covariant way the spin and electromagnetic properties of particles with spin 1/2 and 1 and finite mass. Extensions of the method to particles with vanishing rest mass are indicated.
Riassunto
Si genera la più generale trasformazione propria di Lorentz finita in termini di una trasformazione infinitesimale. Tale generatore si interpreta come operatore relativistico di spin capace di descrivere in modo relativisticamente covariante lo spin e le propriet à elettromagnetiche delle particelle di spin 1/2 e 1 e massa finita. Si indica l’estensione del metodo a particelle di massa a riposo evanescente.
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References
This part of the discussion follows the pattern ofC. B. van Wyk:Nuovo Cimento,6, 522 (1957).
The relativistic description of electron spin has been approached from another angle byH. P. Stapp:Phys. Rev.,103, 425 (1956);Bouchiat andMichel,Nuclear Physics,5, 416 (1958).
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van Wyk, C.B. Covariant description of spin. Nuovo Cim 10, 854–862 (1958). https://doi.org/10.1007/BF02859541
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DOI: https://doi.org/10.1007/BF02859541