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Showing 2013 · gr-qcShow all
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gr-qc2013★ 34 cited
On the convexity of Relativistic Hydrodynamics
José María Ibáñez, Isabel Cordero-Carrión, José María Martí +1
The relativistic hydrodynamic system of equations for a perfect fluid obeying a causal equation of state is hyperbolic (Anile 1989 {\it Relativistic Fluids and Magneto-Fluids} (Cam…
gr-qc2013★ 3 cited
Generalized Einstein-Maxwell field equations in the Palatini formalism
Ginés R. Pérez Teruel
We derive a new set of field equations within the framework of the Palatini formalism.These equations are a natural generalization of the Einstein-Maxwell equations which arise by…
gr-qc2013
Hawking effect in BECs acoustic white holes
Roberto Balbinot, Alessandro Fabbri, Carlos Mayoral
Bogoliubov pseudoparticle creation in a BEC undergoing a WH like flow is investigated analytically in the case of a one dimensional geometry with stepwise homogeneous regions. Comp…