40 citations
- Universidade de São PauloBR6 papers
- Instituto de Cibernética Matemática y FísicaCU2 papers
- Universidad Central "Marta Abreu" de las Villas (UCLV)CU2 papers
- Pontificia Universidad Católica de ValparaísoCL1 paper
- Universidad de Ciencias Médicas de CienfuegosCU1 paper
- Universidad de GuanajuatoMX1 paper
- Universidade Federal de Mato GrossoBR1 paper
- University of AlbertaCA1 paper
- University of HavanaCU1 paper
16 papers
Vacuum polarization of the quantized massive scalar field in the global monopole spacetime II: the renormalized quantum stress energy tensor
Owen Pavel Fernández Piedra
This paper is devoted to the construction of the renormalized quantum stress energy tensor for a massive scalar field with arbitrary coupling to the grav…
Vacuum polarization of the quantized massive scalar field in the global monopole spacetime I: the field fluctuation
Owen Pavel Fernández Piedra
We study the vacuum polarization of a massive scalar field with arbitrary coupling to gravity in pointlike global monopole spacetime. Using Schwinger-DeWitt proper time formali…
Qualitative analysis of Kantowski-Sachs metric in a generic class of models
Genly Leon, Armando A. Roque
In this paper we investigate, from the dynamical systems perspective, the evolution of a Kantowski-Sachs metric in a generic class of models. We present conditions (i. e., d…
Index for Assessing Water Trophic Status in Semi-Enclosed Cuban Bays. Case Study: Cienfuegos Bay
Mabel Seisdedo, Roberto Herrera, Gustavo Arencibia
This paper aims at contributing to the coastal environmental management by developing a new trophic status index of the water (TSIW). The index is tailored to semi-enclosed bays wi…
Scalar field propagation in higher dimensional black holes at a Lifshitz point
Elcio Abdalla, Owen Pavel Fernández Piedra, Fidel Sosa Nuñez +1
We study the complete time evolution of scalar fields propagating in space-times of higher dimensional Lifshitz Black Holes with dynamical critical exponent , obtained from a…
Blind Deconvolution of Ultrasonic Signals Using High-Order Spectral Analysis and Wavelets
Roberto H. Herrera, Eduardo Moreno, Héctor Calas +1
Defect detection by ultrasonic method is limited by the pulse width. Resolution can be improved through a deconvolution process with a priori information of the pulse or by its est…