224 citations
- Consejo Superior de Investigaciones CientíficasES49 papers
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4 papers · 1 filter
Chiral Symmetry Breaking in the Nambu-Jona-Lasinio Model in Curved Spacetime with Non-Trivial Topology
E. Elizalde, S. Leseduarte, S. D. Odintsov
We discuss the phase structure (in the -expansion) of the Nambu-Jona-Lasinio model in curved spacetime with non-trivial topology . The evaluation…
Dynamical Determination of the Metric Signature in Spacetime of Nontrivial Topology
E. Elizalde, S. D. Odintsov, A. Romeo
The formalism of Greensite for treating the spacetime signature as a dynamical degree of freedom induced by quantum fields is considered for spacetimes with nontrivial topology of…
Renormalization-Group Improved Effective Lagrangian for Interacting Theories in Curved Spacetime
E. Elizalde, S. D. Odintsov
A method for finding the renormalization group (RG) improved effective Lagrangian for a massive interacting field theory in curved spacetime is presented. As a particular example,…
One-Loop Renormalization of Higher-Derivative 2D Dilaton Gravity
E. Elizalde, S. Naftulin, S. D. Odintsov
A theory of higher-derivative 2D dilaton gravity which has its roots in the massive higher-spin mode dynamics of string theory is suggested. The divergences of the effective action…