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pro vyhledávání: '"Mendonca, J. Tito"'
Akademický článek
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Publikováno v:
AIP Conference Proceedings 1421, 203-211 (2012)
We investigate the position oscillation of a particle that models the center of mass quantum state of a trapped Bose-Einstein condensate coupled to the zero-point fluctuations of the gravitational field. A semiclassical analysis is performed that all
Externí odkaz:
http://arxiv.org/abs/1002.2962
Publikováno v:
Physics Letters B 705 (2011) 148-151
We identify a new dynamical mechanism for a strong scalar gravitational field effect. To illustrate this mechanism, we investigate the parametric excitation and emission of scalar gravitational waves by a radially pulsating model neutron star.
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Externí odkaz:
http://arxiv.org/abs/0905.0706
Publikováno v:
Class.Quant.Grav.26:145013,2009
We investigate the dephasing suffered by a nonrelativistic quantum particle within a conformally fluctuating spacetime geometry. Starting from a minimally coupled massive Klein-Gordon field, the low velocity limit yields an effective Schrodinger equa
Externí odkaz:
http://arxiv.org/abs/0903.1668
We investigate the problem of metric fluctuations in the presence of the vacuum fluctuations of matter fields and critically assess the usual assertion that vacuum energy implies a Planckian cosmological constant. A new stochastic classical approach
Externí odkaz:
http://arxiv.org/abs/0806.3042
A numerical estimative error of the magnitude of the vacuum polarization effect due to electron-positron by a factor of $10^3$ in [PRL97(2006)100403; 269901(E)] invalidates the study carried in this work in its present context.
Comment: Withdraw
Comment: Withdraw
Externí odkaz:
http://arxiv.org/abs/hep-ph/0609311
Publikováno v:
Phys.Rev.Lett.97:100403,2006; Erratum-ibid.97:269901,2006
We show that in the presence of a slowly rotating strong transverse magnetic field there is an infinite spectrum of harmonic wave functions $A_n$ due to the first order QED correction (in $\alpha^2$) given by the Euler-Heisenberg Lagrangian. The freq
Externí odkaz:
http://arxiv.org/abs/hep-ph/0606099
Publikováno v:
Class.Quant.Grav.23:L59-L65,2006
One of the biggest unsolved problems in physics is the unification of quantum mechanics and general relativity. The lack of experimental guidance has made the issue extremely evasive, though various attempts have been made to relate the loss of matte
Externí odkaz:
http://arxiv.org/abs/gr-qc/0603112
Publikováno v:
Class. Quantum Grav. 25 (2008) 095015
We present a new approach to the Sachs-Wolfe effect, which is based on the dynamics of photons in a space and time varying gravitational field. We consider the influence of plasma dispersion effects on photon propagation, and establish the limits of
Externí odkaz:
http://arxiv.org/abs/astro-ph/0503296
Akademický článek
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