Critical Scaling and Aging near the Flux Line Depinning Transition
| dc.contributor.author | Chaturvedi, Harshwardhan | en |
| dc.contributor.author | Dobramysl, Ulrich | en |
| dc.contributor.author | Pleimling, Michel J. | en |
| dc.contributor.author | Täuber, Uwe C. | en |
| dc.contributor.department | Center for Soft Matter and Biological Physics | en |
| dc.contributor.department | Physics | en |
| dc.date.accessioned | 2019-12-29T14:45:57Z | en |
| dc.date.available | 2019-12-29T14:45:57Z | en |
| dc.date.issued | 2019-12-03 | en |
| dc.date.updated | 2019-12-29T14:45:55Z | en |
| dc.description.abstract | We utilize Langevin molecular dynamics simulations to study dynamical critical behavior of magnetic flux lines near the depinning transition in type-II superconductors subject to randomly distributed attractive point defects. We employ a coarse-grained elastic line Hamiltonian for the mutually repulsive vortices and purely relaxational kinetics. In order to infer the stationary-state critical exponents for the continuous non-equilibrium depinning transition at zero temperature T = 0 and at the critical driving current density j_c, we explore two-parameter scaling laws for the flux lines' gyration radius and mean velocity as functions of the two relevant scaling fields T and j - j_c. We also investigate critical aging scaling for the two-time height auto-correlation function in the early-time non-equilibrium relaxation regime to independently measure critical exponents. We provide numerical exponent values for the distinct universality classes of non-interacting and repulsive vortices. | en |
| dc.description.notes | 8 pages, 6 figures | en |
| dc.description.version | Submitted version | en |
| dc.identifier.orcid | Tauber, Uwe [0000-0001-7854-2254] | en |
| dc.identifier.orcid | Pleimling, Michel [0000-0003-3191-3390] | en |
| dc.identifier.uri | http://hdl.handle.net/10919/96233 | en |
| dc.relation.uri | http://arxiv.org/abs/1907.05804v2 | en |
| dc.rights | In Copyright | en |
| dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | en |
| dc.subject | cond-mat.stat-mech | en |
| dc.subject | cond-mat.supr-con | en |
| dc.title | Critical Scaling and Aging near the Flux Line Depinning Transition | en |
| dc.type | Article | en |
| pubs.organisational-group | /Virginia Tech/Science | en |
| pubs.organisational-group | /Virginia Tech/All T&R Faculty | en |
| pubs.organisational-group | /Virginia Tech/Science/Physics | en |
| pubs.organisational-group | /Virginia Tech/Science/COS T&R Faculty | en |
| pubs.organisational-group | /Virginia Tech | en |
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