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Planck-scale-modified dispersion relations in homogeneous and isotropic spacetimes (CROSBI ID 251996)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Barcaroli, Leonardo ; Brunkhorst, Lukas K. ; Gubitosi, Giulia ; Loret, Niccoló ; Pfeifer, Christian Planck-scale-modified dispersion relations in homogeneous and isotropic spacetimes // Physical review. D, 95 (2017), 2; 024036, 15. doi: 10.1103/PhysRevD.95.024036

Podaci o odgovornosti

Barcaroli, Leonardo ; Brunkhorst, Lukas K. ; Gubitosi, Giulia ; Loret, Niccoló ; Pfeifer, Christian

engleski

Planck-scale-modified dispersion relations in homogeneous and isotropic spacetimes

The covariant understanding of dispersion relations as level sets of Hamilton functions on phase space enables us to derive the most general dispersion relation compatible with homogeneous and isotropic spacetimes. We use this concept to present a Planck-scale deformation of the Hamiltonian of a particle in Friedman-Lemaître-Robertson-Walker (FLRW) geometry that is locally identical to the κ-Poincaré dispersion relation, in the same way as the dispersion relation of point particles in general relativity is locally identical to the one valid in special relativity. Studying the motion of particles subject to such a Hamiltonian, we derive the redshift and lateshift as observable consequences of the Planck-scale deformed FLRW universe.

doubly special relativity ; poincare algebra ; lorentz invariance ; quantum-spacetime ; neutrinos ; icecube ; length ; tests

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Podaci o izdanju

95 (2)

2017.

024036

15

objavljeno

2470-0010

2470-0029

10.1103/PhysRevD.95.024036

Povezanost rada

Fizika

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