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gr-qc2018★ 1 cited
Exercise: Dark Matter as fields that evolve backward in time
Ezequiel Alvarez
We do the exercise of thinking the qualitative features of a new model in which the problems of Dark Matter (DM) and the Cosmic Microwave Background (CMB) homogeneity are apparentl…
gr-qc2004★ 51 cited
Vacuum polarization around stars: nonlocal approximation
Alejandro Satz, Francisco D. Mazzitelli, Ezequiel Alvarez
We compute the vacuum polarization associated with quantum massless fields around stars with spherical symmetry. The nonlocal contribution to the vacuum polarization is dominant in…