Browsing by Author "f20d637c-d3b1-49ae-bc48-ab8d47f7d450"
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Armaza, Cristóbal; Hojman Guiñerman, Sergio; Koch, Benjamín; Zalaquett, Nicolás (IOP Publishing, 2016)The motion of spinning massless particles in gravitationally curved backgrounds is revisited by considering new types of constraints. Those constraints guarantee zero mass (P mu P mu = 0) and they allow for the possibility ...