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gr-qc2008★ 17 cited
A momentum-space representation of Green's functions with modified dispersion relations on general backgrounds
Massimiliano Rinaldi
We consider the problem of calculating the Green's functions associated to a massive scalar field with modified dispersion relations. We analyze the case when dispersion is modifie…
gr-qc2008★ 23 cited
Superluminal dispersion relations and the Unruh effect
Massimiliano Rinaldi
In the context of quantum gravity phenomenology, we study the Unruh effect in the presence of superluminal dispersion relations. In particular, we estimate the response function an…