Results 51 to 60 of about 9,426 (207)

Levy Anomalous Diffusion and Fractional Fokker--Planck Equation

, 2000
We demonstrate that the Fokker-Planck equation can be generalized into a 'Fractional Fokker-Planck' equation, i.e. an equation which includes fractional space differentiations, in order to encompass the wide class of anomalous diffusions due to a Levy ...
A.V. Chechkin, A.V. Tur, Boland, Bouchaud, Chandrasekar, Chaves, Chechkin, Coleman, Compte, D. Schertzer, de Vaucouleurs, Feller, Fogedby, Garrido, Holtzmark, Holtzmark, Holtzmark, Khintchine, Klafter, Landau, Lavallee, Lévy, Mandelbrot, Marsan, Miller, Moiseev, Pecknold, Plastino, Schertzer, Schertzer, Schertzer, Schmitt, Shirkov, Stueckelberg, Tsallis, Tsallis, V.V. Yanovsky, van Kampen, Viecelli, Wilson, Zaslavsky, Zolotarev   +41 more
core   +2 more sources

Review of Some Promising Fractional Physical Models [PDF]

, 2015
Fractional dynamics is a field of study in physics and mechanics investigating the behavior of objects and systems that are characterized by power-law non-locality, power-law long-term memory or fractal properties by using integrations and ...
Tarasov, Vasily E.
core   +1 more source

High Pressure Densification Investigation of Li3PS4 and Li6PS5Cl Solid Electrolytes using Combine X‐Ray Diffraction, X‐Ray Absorption Tomography and Ionic Measurement

Advanced Functional Materials, EarlyView.
We used multiple analytical techniques at the Psiché beamline, Synchrotron Soleil, and at D20 instrument in Institut Laue Langevin, to study the densification of thiophosphate solid electrolytes Li3PS4 and Li6PS5Cl. Our combined X‐ray diffraction, absorption tomography, absorption density, neutron power diffraction, and ionic conductivity analyses ...
Oskar Thompson, Ove Korjus, Adrien Fauchier‐Magnan, Clément Albin, Sergio F. Mayer, Emmanuelle Suard, Thomas Hansen, Laura Henry, Nicolas Guignot, Vittoria Pischedda, Sylvie Le Floch, Claire Villevieille   +11 more
wiley   +1 more source

Asymmetry of the Ferroelectric Phase Transition in BaTiO3

Advanced Materials, EarlyView.
Phase transitions are typically assumed to behave identically in forward and reverse. This work shows that in the ferroelectric material barium titanate this is not true: heating drives an abrupt, first‐order jump, while cooling gives a smooth, continuous change.
Asaf Hershkovitz, Elangovan Hemaprabha, Rajesh Mandal, Pravin Kavle, Jamil Tanus, Maya Barzilay, Ching‐Che Lin, David Spirito, Semën Gorfman, Bo Wang, Ignacio J. Villar‐García, Neus Domingo, Long‐Qing Chen, Lane W. Martin, Yachin Ivry   +14 more
wiley   +1 more source

Noise Spectral of GML Noise and GSR Behaviors for FGLE with Random Mass and Random Frequency

Fractal and Fractional, 2023
Due to the interest of anomalous diffusion phenomena and their application, our work has widely studied a fractional-order generalized Langevin Equation (FGLE) with a generalized Mittag–Leffler (GML) noise.
Lini Qiu, Guitian He, Yun Peng, Hui Cheng, Yujie Tang   +4 more
doaj   +1 more source

Levy flights and Levy -Schroedinger semigroups

, 2009
We analyze two different confining mechanisms for L\'{e}vy flights in the presence of external potentials. One of them is due to a conservative force in the corresponding Langevin equation.
A. A. Dubkov, A. A. Dubkov, A. Chechkin, D. Brockmann, D. Brockmann, D. Brockmann, H. Risken, I. S. Gradshteyn, J. C. Zambrini, J. N. Kapur, M. C. Mackey, N. Cufaro Petroni, P. D. Ditlevsen, P. Garbaczewski, P. Garbaczewski, P. Garbaczewski, P. Garbaczewski, P. Garbaczewski, S. Jespersen, V. V. Belik, V. V. Janovsky   +20 more
core   +1 more source

Stochastic modeling in nanoscale biophysics: Subdiffusion within proteins [PDF]

, 2008
Advances in nanotechnology have allowed scientists to study biological processes on an unprecedented nanoscale molecule-by-molecule basis, opening the door to addressing many important biological problems. A phenomenon observed in recent nanoscale single-
Kou, S. C.
core   +2 more sources

Subordinated diffusion and CTRW asymptotics

, 2010
Anomalous transport is usually described either by models of continuous time random walks (CTRW) or, otherwise by fractional Fokker-Planck equations (FFPE).
Dybiec, Bartlomiej, Gudowska-Nowak, Ewa
core   +1 more source

Fractional dynamics from the ordinary Langevin equation

Physical Review E, 2003
We consider the usual Langevin equation depending on an internal time. This parameter is substituted by a first passage time of a self-similar Markov process. Then the Gaussian process is parent, and the hitting time process is directing. The probability to find the resulting process at the real time is defined by the integral relationship between the ...
openaire   +3 more sources

Role of the Recombination Zone in Organic Light‐Emitting Devices

Advanced Materials, EarlyView.
This review summarizes the critical role of the recombination zone in organic light‐emitting diodes (OLEDs). We highlight that broadening the recombination zone in OLEDs based on emissive layers with balanced charge transport and high photoluminescence quantum yields provides a promising route toward achieving both long operational lifetime and high ...
Yungui Li, Karl Leo
wiley   +1 more source