[PDF] Top 20 Braz. J. Phys. vol.35 número2B

... The, by now, traditional public opening lecture was given by M. Maggiore (Universit´e Gen`eve), “L’esplorazione dell’Universo con le onde gravitazionali: dai buchi neri al Big Bang”, keeping the enthusiastic audience ... See full document

... themselves to constant values, which we can denominate f i j ∞ and g ∞ i j . An example is given in table 6 for the particular case of the orbitals of Kr-like ions. These values, once known, can be stored ... See full document

... [3] M. Castagnino and R. Laura, Phys. Rev., A62, 022107 (2000). M. Castagnino, Physica A 335, 511 (2004). M. Castagnino and O. Lombardi, Stud. Phil. and Hist. Mod. Phys. 35, 73 (2004). M. Castagnino ... See full document

... But this inequivalence between quantum theory and clas- sical stochastic processes does not end here. The problem is that the quantum mechanical correlation functions are, in general, complex valued, rather than ... See full document

... In the paper we present an irreducible mathematical theory that describes physical systems in terms of formation processes of integer relations.. The theory has integers and integer rela[r] ... See full document

... (30) where D and J are the diffusion and drift coefficients, respec- tively. Tsallis and Bukman [12] have shown that, for linear drift, the time dependence solution of the above equation is a Tsallis-like ... See full document

... Recently, in Ref.s [5, 6] the Green’s function technique has been used to examine tunneling reaction probability and the rˆole of the many-body effects (or quantum uncertainty effect, fo[r] ... See full document

... To perform a more transparent analysis of the problems raised by contrary inferences within Consistent History approach to Quantum Theory, we extend the formalism of the conceptual basis[r] ... See full document

... 7: Phase diagram of the model, showing estimates for the tran- sition line between absorbing and active states in the one (MF1) and two (MF2) sites mean field approximations and simulati[r] ... See full document

... ∂θ . (47) Here we have omitted terms which disappear after the surface averaging, Eq. (37), for example, terms of the kind sin θ cos θ. In Eq. (47), the first term is the usual classical one. The second term [12] and the ... See full document

... In this note we discuss the relation between the Ornstein-Zernike decay of certain four-point functions (“energy- energy correlations”) in lattice spin systems and spectral properties of[r] ... See full document

... In order to perform a as safe as possible analysis of the properties of the divergent am- plitudes, including their symmetry relations and the question of the ambiguities related to the [r] ... See full document

... [7] L. Mandel, Opt. Lett. 4, 205 (1979); Phys. Rev. Lett. 49, 136 (1982); P. Filipowicz, J. Javanainen, and P. Meystre, J. Opt. Soc. Am. B 3, 906 (1986); J. Krause, M. O. Scully, and H. ... See full document

... The only conditions, among those metioned above, that can be relaxed without causing a drastic change in the usual phys- ical interpretation of the wavefunction are Gallilean invari- ance and AHD. Also, since only ... See full document

... We present a path integral formulation of ’t Hooft’s derivation of quantum from classical physics.. Our approach is based on two concepts: Faddeev-Jackiw’s treatment of constrained syste[r] ... See full document

... The proper time formalism we have developed could find interesting applications in itself, with a first step being the study of the relationship between our group theoretic proper time parameter and the lapse function of ... See full document

... This short paper aims at clarifying the physical meaning of a previous pubblication [G. Aquino, P. Grigolini, L. Palatella, Phys. Rev. Lett. 93 050601 (2004)], using later, although very recent, results. This has ... See full document

... Many of the so-called alternative explanations of quantum mechanics have toyed with ideas that approach chaotic behavior, but as they were formulated before the ad- vent of modern chaos [r] ... See full document

... and additionally by decreasing angular coherence with a larger lateral separation. a) Electron biprism interferometer with Wien filter switched off (left) and Wien filter being excited ([r] ... See full document

... We show how the quantum to classical transition of the cosmological fluctuations produced during inflation can be described by means of the influence functional and the master equation..[r] ... See full document