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Dynamical symmetry breaking in the Nambu-Jona-Lasino model with external gravitational and constant electric fields
E. Elizalde, Yu. I. Shil'nov, V. V. Chitov
An investigation of the Nambu-Jona-Lasino model with external constant electric and weak gravitational fields is carried out in three- and four- dimensional spacetimes. The effecti…
One-loop Effective Potential for a Fixed Charged Self-interacting Bosonic Model at Finite Temperature with its Related Multiplicative Anomaly
Emilio Elizalde, Antonio Filippi, Luciano Vanzo +1
The one-loop partition function for a charged self-interacting Bose gas at finite temperature in D-dimensional spacetime is evaluated within a path integral approach making use of…
Non-Gaussian bounds in the variance from small scale CMB observations
E. Gaztanaga, P. Fosalba, E. Elizalde
We compare the latest results from CMB experiments at scales around over different parts of the sky to test the hypothesis that they are drawn from a Gaussian distri…
Zeta-function regularization, the multiplicative anomaly and the Wodzicki residue
E. Elizalde, L. Vanzo, S. Zerbini
The multiplicative anomaly associated with the zeta-function regularized determinant is computed for the Laplace-type operators $L_1=-\lap+V_1$ and $L_2=-\lap+V_2$, with , $V_…