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The exact solution of a particular form of the stationary state generalized Fokker-Planck equations, which is given under certain conditions by the classical Tsallis distribution, is compared with the solution of the MAXENT equations…

统计力学 · 物理学 2013-02-01 J. M. Conroy , H. G. Miller

From the data analysis we defined distribution function against the population on the level of various structure units, namely regions, federal districts and the country on the whole. We have studied peculiarities of the distribution…

物理与社会 · 物理学 2008-06-12 B. R. Gadjiev , M. A. Korolev , T. B. Progulova

In Statistical Mechanics, Tsallis distributions were apparently conceived in connection with systems presenting long--range interactions. In fact, they were observed in numerical computations for models of such a type, as occurring in the…

统计力学 · 物理学 2020-04-22 Andrea Carati , Luigi Galgani , Fabrizio Gangemi , Roberto Gangemi

A comparative study of one-dimensional quantum structures which allow analytic expressions for the position and momentum R\'{e}nyi $R(\alpha)$ and Tsallis $T(\alpha)$ entropies, focuses on extracting the most characteristic physical…

量子物理 · 物理学 2019-01-15 O. Olendski

By using the maximum entropy principle, with Tsallis entropy, we obtain an explicit dependence for energy distribution of earthquakes. This function describes very well the observations in a wide range of energies, where other distribution…

软凝聚态物质 · 物理学 2007-05-23 Oscar Sotolongo-Costa , Antonio Posadas

A family of nonlinear ordinary differential equations with arbitrary order is obtained by using nonextensive concepts related to the Tsallis entropy. Applications of these equations are given here. In particular, a connection between…

统计力学 · 物理学 2007-05-23 R. S. Mendes , I. T. Pedron

Distributions derived from non-extensive Tsallis statistics are closely connected with dynamics described by a nonlinear Fokker-Planck equation. The combination shows promise in describing stochastic processes with power-law distributions…

统计力学 · 物理学 2008-12-02 Fredrick Michael , M. D. Johnson

A possible approach to description of the non equilibrium system has been proposed. Based on the Fokker-Plank equation in term of energy for non equilibrium distribution function of macroscopical system was obtained the stationary solution…

统计力学 · 物理学 2008-08-08 Bohdan Lev

The canonical probability distribution function (pdf) obtained by optimizing the Tsallis entropy under the linear mean energy constraint (first formalism) or the escort mean energy constraint (third formalism) suffer self-referentiality. In…

统计力学 · 物理学 2009-11-11 T. Wada , A. M. Scarfone

A recently introduced nonlinear Fokker-Planck equation, derived directly from a master equation, comes out as a very general tool to describe phenomenologically systems presenting complex behavior, like anomalous diffusion, in the presence…

统计力学 · 物理学 2009-11-13 Veit Schwammle , Evaldo M. F. Curado , Fernando D. Nobre

An $N$-dimensional nonlinear Fokker-Planck equation is investigated here by considering the time dependence of the coefficients, where drift-controlled and source terms are present. We exhibit the exact solution based on the generalized…

统计力学 · 物理学 2009-11-07 L. C. Malacarne , R. S. Mendes , I. T. Pedron , E. K. Lenzi

The time dependent Tsallis statistical distribution describing anomalous diffusion is usually obtained in the literature as the solution of a non-linear Fokker-Planck (FP) equation [A.R. Plastino and A. Plastino, Physica A, 222, 347…

统计力学 · 物理学 2009-10-31 G. Kaniadakis , G. Lapenta

We extend a recently introduced free-energy formalism for homogeneous Fokker-Planck equations to a wide, and physically appealing, class of inhomogeneous nonlinear Fokker-Planck equations. In our approach, the free-energy functional is…

统计力学 · 物理学 2017-01-04 Gabriele Sicuro , Peter Rapčan , Constantino Tsallis

We derive analogues of the Jarzynski equality and Crooks relation to characterise the nonequilibrium work associated with changes in the spring constant of an overdamped oscillator in a quadratically varying spatial temperature profile. The…

统计力学 · 物理学 2015-09-30 Ian J. Ford , Robert W. Eyre

The Tsallis entropy, which is a generalization of the Boltzmann-Gibbs entropy, plays a central role in nonextensive statistical mechanics of complex systems. A lot of efforts have recently been made on establishing a dynamical foundation…

统计力学 · 物理学 2009-11-11 Sumiyoshi Abe , Yutaka Nakada

In this manuscript we investigate quantum uncertainties in a Tsallis' non additive scenario. To such an end we appeal to q-exponentials, that are the cornerstone of Tsallis' theory. In this respect, it is found that some new mathematics is…

量子物理 · 物理学 2017-04-13 G. L. Ferri , F. Pennini , A. Plastino , M. C. Rocca

The time evolution of correlation functions in statistical systems is described by an exact functional differential equation for the corresponding generating functionals. This allows for a systematic discussion of non-equilibrium physics…

高能物理 - 理论 · 物理学 2009-10-30 Christof Wetterich

A formal correspondence between the q-distribution obtained from the Tsallis entropy and non-maxwellian distributions obtained from the Boltzmann-Gibbs entropy is afforded.

量子物理 · 物理学 2009-11-13 N. G. de Almeida

The asymptotic correspondence between the probability mass function of the $q$-deformed multinomial distribution and the $q$-generalised Kullback-Leibler divergence, also known as Tsallis relative entropy, is established. The probability…

统计力学 · 物理学 2025-03-10 Keisuke Okamura

We discuss the meaning of Tsallis functional in astrophysics. The energy functional of a polytropic star is similar to Tsallis free energy and the H-function associated with a stellar polytrope is similar to Tsallis entropy. More generally,…

统计力学 · 物理学 2009-11-10 P. H. Chavanis , C. Sire
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