On the possibility of non-geodesic motion of massless spinning tops

Cristóbal Armaza, Sergio A. Hojman, Benjamin Koch, Nicolás Zalaquett

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9 Citas (Scopus)

Resumen

The motion of spinning massless particles in gravitationally curved backgrounds is revisited by considering new types of constraints. Those constraints guarantee zero mass (PμPμ=0) and they allow for the possibility of trajectories which are not simply null geodesics. To exemplify this previously unknown possibility, the equations of motion are solved for radial motion in Schwarzschild background. It is found that the particle experiences a spin-induced energy shift, which is proportional to the Hawking temperature of the black hole background.

Idioma originalInglés
Número de artículo145011
PublicaciónClassical and Quantum Gravity
Volumen33
N.º14
DOI
EstadoPublicada - 23 jun. 2016

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