Depinning and dynamics of ac driven vortex lattices in random media

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We study the different dynamical regimes of a vortex lattice driven by ac forces in the presence of random pinning via numerical simulations. The behavior of the different observables is characterized as a function of the applied force amplitude for different frequencies. We discuss the inconvenienc...

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Autor principal: Daroca, D.P
Otros Autores: Lozano, G.S, Pasquini, G., Bekeris, V.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2010
Acceso en línea:Registro en Scopus
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100 1 |a Daroca, D.P. 
245 1 0 |a Depinning and dynamics of ac driven vortex lattices in random media 
260 |c 2010 
270 1 0 |m Daroca, D. P.; Departamento de Física, FCEyN, Ciudad Universitaria, Pabellon 1, Buenos Aires, Argentina; email: daroca@df.uba.ar 
506 |2 openaire  |e Política editorial 
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520 3 |a We study the different dynamical regimes of a vortex lattice driven by ac forces in the presence of random pinning via numerical simulations. The behavior of the different observables is characterized as a function of the applied force amplitude for different frequencies. We discuss the inconveniences of using the mean velocity to identify the depinning transition and we show that instead, the mean quadratic displacement of the lattice is the relevant magnitude to characterize different ac regimes. We discuss how the results depend on the initial configuration and we identify hysteretic effects which are absent in the dc driven systems. © 2010 The American Physical Society.  |l eng 
593 |a Departamento de Física, FCEyN, Ciudad Universitaria, Pabellon 1, Buenos Aires, Argentina 
700 1 |a Lozano, G.S. 
700 1 |a Pasquini, G. 
700 1 |a Bekeris, V. 
773 0 |d 2010  |g v. 81  |k n. 18  |p Phys. Rev. B Condens. Matter Mater. Phys.  |x 10980121  |t Physical Review B - Condensed Matter and Materials Physics 
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856 4 0 |u https://hdl.handle.net/20.500.12110/paper_10980121_v81_n18_p_Daroca  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v81_n18_p_Daroca  |y Registro en la Biblioteca Digital 
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