Search Results - "Matsas, G. E. A."

The relation between quantum and classical field theory with a classical source by Fulling, S. A., Landulfo, A. G. S., Matsas, G. E. A.

“…Classical field theory is about fields and how they behave in space–time. Quantum field theory, in practice, usually seems to be about particles and how they…”
Get full text

Bremsstrahlung and Fulling-Davies-Unruh thermal bath by HIGUCHI, A, MATSAS, G. E. A, SUDARSKY, D

Get full text

Uniformly accelerated finite-time detectors by HIGUCHI, A, MATSAS, G. E. A, PERES, C. B

Get full text

Fulling-Davies-Unruh effect in classical field theory by HIGUCHI, A, MATSAS, G. E. A

Get full text

Particle creation due to tachyonic instability in relativistic stars by Landulfo, A. G. S., Lima, W. C. C., Matsas, G. E. A., Vanzella, D. A. T.

“…Dense enough compact objects were recently shown to lead to an exponentially fast increase of the vacuum energy density for some free scalar fields properly…”
Get full text

Semiclassical gravitational effects in the spacetime of a rotating cosmic string by MATSAS, G. E. A

“…We anticipate some new characteristics of the conformal scalar vacuum outside an infinite straight rotating cosmic string, which we expect to be confirmed…”
Get full text

Qualitative and numerical study of Bianchi IX models by FRANCISCO, G, MATSAS, G. E. A

Get full text

Particle creation due to tachyonic instability in relativistic stars by Landulfo, A. G. S, Lima, W. C. C, Matsas, G. E. A, Vanzella, D. A. T

“…Phys.Rev.D86:104025,2012 Dense enough compact objects were recently shown to lead to an exponentially fast increase of the vacuum energy density for some free…”
Get full text

Sudden change in quantum and classical correlations and the Unruh effect by Celeri, L. C, Landulfo, A. G. S, Serra, R. M, Matsas, G. E. A

“…Phys.Rev.A81:062130,2010 We use the Unruh effect to analyze the dynamics of classical and quantum correlations for a two-qubit system when one of them is…”
Get full text

Can quantum mechanics fool the cosmic censor? by Matsas, G. E. A, Richartz, M, Saa, A, da Silva, A. R. R, Vanzella, D. A. T

“…Phys.Rev.D79:101502,2009 We revisit the mechanism for violating the weak cosmic-censorship conjecture (WCCC) by overspinning a nearly-extreme charged black…”
Get full text

A remark on the gravitational field produced by an infinite straight string by Francisco, G., Matsas, G. E. A.

“…The results predicted by Newtonian gravity and general relativity are compared regarding the field produced by an infinite gauge string with constant density…”
Get full text

Sudden change in quantum and classical correlations and the Unruh effect by Céleri, L. C., Landulfo, A. G. S., Serra, R. M., Matsas, G. E. A.

“…We use the Unruh effect to analyze the dynamics of classical and quantum correlations for a two-qubit system when one of them is uniformly accelerated for a…”
Get full text

Interaction of Hawking radiation with static sources in de Sitter and Schwarzschild–de Sitter spacetimes by Castiñeiras, J., Costa e Silva, I. P., Matsas, G. E. A.

Get full text

Are there causal vacuum solutions with the symmetries of the Gödel universe in higher-derivative gravity? by ACCIOLY, A. J, MATSAS, G. E. A

Get full text

Limits on C and P violation in gravitation from SN 1987A data by ALEMIDA, L. D, MATSAS, G. E. A, NATALE, A. A

Get full text

Can quantum mechanics fool the cosmic censor? by Matsas, G. E. A., Richartz, M., Saa, A., da Silva, A. R. R., Vanzella, D. A. T.

Get full text

Note on the point-splitting procedure to evaluate vacuum fluctuation in certain cylindrically symmetric backgrounds by Brevik, I., Matsas, G. E. A., Moreira, E. S.

Get full text

Fermion helicity flip in weak gravitational fields by Aldrovandi, R, Matsas, GE, Novaes, SF, Spehler, D

Get full text

Vacuum fluctuations of twisted fields in the spacetime of a cosmic string by MATSAS, G. E. A

“…A twisted scalar field conformally coupled to gravitation is used to calculate the vacuum stress-energy tensor in the background spacetime generated by an…”
Get full text

Laying the ghost of the relativistic temperature transformation by Landsberg, P. T, Matsas, G. E. A

“…Phys.Lett. A223 (1996) 401-403 Using the Unruh-DeWitt detector, it is shown that a universal and continuous Lorentz transformaion of temperature cannot exist…”
Get full text