SEMINAR


The Cosmological Constant Problem and Renormalization Group

Dr. Ilya L. Shapiro

(Universidade Juiz de Fora)


Sala 2.8.3, IST, Edifício Pós-Graduação
Thursday, May 19th, 2005 at 02:00 PM

Abstract

The Cosmological Constant(CC) Problem emerges in Quantum Field Theory (QFT) in curved space-time due to the enormous magnitude of the induces vacuum energy. After reviewing the CC problem we consider the possibility of a variable CC due to the quantum effects of matter fields. Assuming the standard (Appelquist and Carazzone) form of decoupling of massive fields at law energies we arrive at the cosmological models with the potentially observable predictions.


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