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- Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Salerno844 papers
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- Institut National de Physique Nucléaire et de Physique des ParticulesFR518 papers
- University of BirminghamGB515 papers
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64 papers · 1 filter
Constraints on pre-big bang parameter space from CMBR anisotropies
V. Bozza, M. Gasperini, M. Giovannini +1
The so-called curvaton mechanism --a way to convert isocurvature perturbations into adiabatic ones-- is investigated both analytically and numerically in a pre-big bang scenario wh…
Transverse frames for Petrov type I spacetimes: a general algebraic procedure
Virginia Re, Marco Bruni, David R. Matravers +1
We develop an algebraic procedure to rotate a general Newman-Penrose tetrad in a Petrov type I spacetime into a frame with Weyl scalars and equal to zero, assuming…
Neutrino oscillations from relativistic flavor currents
Massimo Blasone, Paulo Pires Pacheco, Hok Wan Chan Tseung
By resorting to recent results on the relativistic currents for mixed (flavor) fields, we calculate a space-time dependent neutrino oscillation formula in Quantum Field Theory. Our…
Spin-1 gravitational waves
F. Canfora, G. Vilasi, P. Vitale
Gravitational fields invariant for a 2-dimensional Lie algebra of Killing fields [ X,Y] =Y, with Y of light type, are analyzed. The conditions for them to represent gravitational w…
Comment on "Aging, phase ordering and conformal invariance"
Federico Corberi, Eugenio Lippiello, Marco Zannetti
This is a Comment on the Article ``Aging, phase ordering and conformal invariance'' by M.Henkel, M.Pleimling, C.Godrèche and J.M.Luck [Phys.Rev.Lett. 87, 265701 (2001)].
MEDEA: a real time imaging pipeline for pixel lensing
G. Iovane, S. Capozziello, G. Longo
Pixel lensing is a technique used to search for baryonic components of dark matter (MACHOs) and allows to detect microlensing events even when the target galaxies are not resolved…