Results 31 to 40 of about 1,664,123 (378)
Non-exponential decay for Polaron model [PDF]
Physics Letters A, 1999 A model of particle interacting with quantum field is considered. The model includes as particular cases the polaron model and non-relativistic quantum electrodynamics. We compute matrix elements of the evolution operator in the stochastic approximation and show that depending on the state of the particle one can get the non-exponential decay with the ...
ACCARDI, LUIGI +2 more
openaire +4 more sources
A Note on Exponential Decay in the Random Field Ising Model [PDF]
Journal of statistical physics, 2018 For the two-dimensional random field Ising model (RFIM) with bimodal (i.e., two-valued) external field, we prove exponential decay of correlations either (i) when the temperature is larger than the critical temperature of the Ising model without external
F. Camia, Jianping Jiang, C. Newman
semanticscholar +1 more source
Which distance-decay function for migration and which one for commuting? A case study of Slovenia
Croatian Operational Research Review, 2014 The volume of social interactions like migration and commuting between two locations depends significantly on the distance between them. In the paper, we analysed the shape and parameters of several distance-decay functions for commuting and for ...
Samo Drobne, Mitja Lakner
doaj +1 more source
Geophysical Research Letters, 2022 Accurate prediction of tropical cyclone (TC) intensity is important but challenging. In this study, a physically based algebraic decay model for predicting TC weakening after landfall over China is introduced, which assumes the TC weakening rate is ...
Lu Liu, Yuqing Wang
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Frequency decay for Navier-Stokes stationary solutions [PDF]
, 2017 We consider stationary Navier-Stokes equations in R 3 with a regular external force and we prove exponential frequency decay of the solutions. Moreover, if the external force is small enough, we give a pointwise exponential frequency decay for such ...
Chamorro, Diego +2 more
core +4 more sources
Exponential Decay of Rényi Divergence Under Fokker–Planck Equations [PDF]
Journal of statistical physics, 2018 We prove the exponential convergence to the equilibrium, quantified by Rényi divergence, of the solution of the Fokker–Planck equation with drift given by the gradient of a strictly convex potential. This extends the classical exponential decay result on
Yu Cao, Jianfeng Lu, Yulong Lu
semanticscholar +1 more source
High Voltage, 2020 Saturable reactor insulation is currently stressed by an exponential decay pulse voltage under normal operating conditions. The partial discharge (PD) characteristics of epoxy resin under an exponential decay pulse voltage were studied here and were ...
Lu Gui +5 more
doaj +1 more source
Agglomeration decay in rural areas
Insights into Regional Development, 2022 Spatial proximity to other economic activities – occasionally labeled as ‘market access’ and ‘economic density’ – is associated with good economic performance. How the impulses from economic activities diminish over space is known as ‘agglomeration decay’
Rasmus Bøgh Holmen
doaj +1 more source
Classical picture of post-exponential decay [PDF]
, 2010 Post-exponential decay of the probability density of a quantum particle leaving a trap can be reproduced accurately, except for interference oscillations at the transition to the post-exponential regime, by means of an ensemble of classical particles ...
Martorell, J. +3 more
core +2 more sources
Non-exponential Auger decay [PDF]
Physics Letters A, 2015 We discuss the possibility of non-exponential Auger decay of atoms irradiated by X-ray photons. This effect can occur at times, which are greater than the lifetime of a system under consideration. The mechanism for non-exponential depletion of an initial quasi-stationary state is the cutting of the electron energy spectrum of final continuous states at
A.M. Ishkhanyan, V.P. Krainov
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