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Search: authors:"Luis P. Chimento"

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On sign-changeable interaction in FLRW cosmology

We investigate an interacting two-fluid model in a spatially flat Friedmann–Lemaître–Robertson–Walker (FLRW) Universe, when the energy transfer between these two dark components is produced by a factorizable nonlinear sign-changeable interaction depending linearly on the energy density and quadratically on the deceleration parameter. We solve the source equation and obtain the...

Exact Solutions of Quantum Massive Spin-1 Field Equations and Their Application to the Hawking-Unruh Effect

Luis P. CHIMENTo > Adriana E. COSSARINI Fabian G. PENSA Departamento de Fisica Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Ciudad Universitaria Pabell n I Buenos A ires A