Backreaction in trans-Planckian cosmology: Renormalization, trace anomaly, and self-consistent solutions

We analyze the semiclassical Einstein equations for quantum scalar fields satisfying modified dispersion relations. We first discuss in detail the renormalization procedure based on adiabatic subtraction and dimensional regularization. We show that, contrary to what is expected from power counting a...

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Detalles Bibliográficos
Autores principales:	Nacir, D.L., Mazzitelli, F.D.
Formato:	JOUR
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_15507998_v76_n2_p_Nacir
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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