1 citations · 3 across the 4 of their papers we have counts for
9 papers
Axiomatic Foundations of Thermostatics
G. Puccini, S. Perez Bergliaffa, H. Vucetich
A realistic and objective axiomatic formulation of Thermostatics for composite systems is presented. The main feature of our axiomatics is that it is free of empirical definitions.…
Reply to "Acausality of Massive Charged Spin 2 Fields"
M. Novello, S. E. Perez Bergliaffa, R. P. Neves
We show that, contrary to the claim in hep-th/0304050, the propagation of a spin-2 field in an electromagnetic background is {\em causal}.
Propagation of perturbations in non-linear spin-2 theories
Santiago E. Perez Bergliaffa
In this communication I analyze the problem of complete exceptionality of wave propagation in a class of spin 2 field theories. I show that, under the imposition of the good weak-f…
Causality and charged spin-2 fields in an electromagnetic background
M. Novello, S. E. Perez Bergliaffa, R. P. Neves
We show that, contrary to common belief, the propagation of a spin-2 field in an electromagnetic background is {\em causal}. The proof will be given in the Fierz formalism which, a…
On the stress-energy tensor of a rotating wormhole
S. E. Perez Bergliaffa, K. E. Hibberd
We analyze the stress-energy tensor necessary to generate a general stationary and axisymmetric spacetime. The constraints on the geometry arising from considering a perfect fluid…
Inhomogeneous Multidimensional Cosmologies
Santiago E. Perez Bergliaffa
Einstein's equations for a 4+n-dimensional inhomogeneous space-time are presented, and a special family of solutions is exhibited for an arbitrary n. The solutions depend on two ar…