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pro vyhledávání: '"SOARES, I."'
Publikováno v:
Class. Quantum Grav. 41 235008 (2024)
We analyze the blackbody radiation problem in the presence of quantum gravity effects encoded in modified dispersion relations. The spectral radiance and the generalized Stefan-Boltzmann law are studied in this context. Furthermore, the regime of low
Externí odkaz:
http://arxiv.org/abs/2402.09918
Publikováno v:
J. Phys. A: Math. Theor. 57 (2024) 355401
Nonlinear wave propagation in large extra spatial dimensions (on and above $d=2$) is investigated in the context of nonlinear electrodynamics theories that depend exclusively on the invariant $\mathcal{F}\left(=-(1/4)F_{\mu\nu}F^{\mu\nu}\right)$. In
Externí odkaz:
http://arxiv.org/abs/2308.02685
Publikováno v:
Phys. Rev. D 108, 043020 (2023)
We study the blackbody properties and the thermodynamic equilibrium quantities of a photon gas in the framework of nonlinear electrodynamics. In this vein, we take into account the photon propagation in a uniform external magnetic field in the weak f
Externí odkaz:
http://arxiv.org/abs/2302.04367
Akademický článek
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Autor:
SOARES, I. P.
Publikováno v:
Repositório Institucional da UFESUniversidade Federal do Espírito SantoUFES.
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Externí odkaz:
http://repositorio.ufes.br/handle/10/10262
We examine the gravitational wave recoil waves and the associated net kick velocities in non-axisymmetric Robinson-Trautman spacetimes. We use characteristic initial data for the dynamics corresponding to non-head-on collisions of black holes. We mak
Externí odkaz:
http://arxiv.org/abs/1407.4405
We examine numerically the gravitational wave recoil in non-axisymmetric Robinson-Trautman spacetimes. We construct characteristic initial data for the Robinson-Trautman dynamics which are interpreted as corresponding to the early post-merger state o
Externí odkaz:
http://arxiv.org/abs/1403.4581
We examine numerically the process of gravitational wave recoil in the merger of two black holes in non head-on collision, in the realm of Robinson-Trautman spacetimes. Characteristic initial data for the system are constructed, and the evolution cov
Externí odkaz:
http://arxiv.org/abs/1202.1271
Publikováno v:
Phys. Rev. D 85, 024003 (2012)
We examine numerically the post-merger regime of two Schwarzschild black holes in non head-on collision. Our treatment is made in the realm of non-axisymmetric Robinson-Trautman spacetimes which are appropriate for the description of the system. Char
Externí odkaz:
http://arxiv.org/abs/1111.1223
We present an alternative scheme of finding apparent horizons based on spectral methods applied to Robinson-Trautman spacetimes. We have considered distinct initial data such as representing the spheroids of matter and the head-on collision of two no
Externí odkaz:
http://arxiv.org/abs/0912.4067