Competing Patterns of Signaling Activity in Dictyostelium Discoideum
KJ Lee, EC Cox, RE Goldstein - Physical review letters, 1996 - APS
Quantitative experiments are described on spatiotemporal patterns of coherent chemical
signaling activity in populations of Dictyostelium discoideum amoebae. We observe …
signaling activity in populations of Dictyostelium discoideum amoebae. We observe …
Stable large-scale solver for Ginzburg–Landau equations for superconductors
IA Sadovskyy, AE Koshelev, CL Phillips… - Journal of …, 2015 - Elsevier
Understanding the interaction of vortices with inclusions in type-II superconductors is a
major outstanding challenge both for fundamental science and energy applications. At …
major outstanding challenge both for fundamental science and energy applications. At …
Dynamics of vortex penetration, jumpwise instabilities, and nonlinear surface resistance of type-II superconductors in strong rf fields
A Gurevich, G Ciovati - Physical Review B—Condensed Matter and Materials …, 2008 - APS
We consider the nonlinear dynamics of a single vortex in a superconductor in a strong rf
magnetic field B 0 sin ω t. Using the London theory, we calculate the dissipated power Q (B …
magnetic field B 0 sin ω t. Using the London theory, we calculate the dissipated power Q (B …
Flux penetration and expulsion in thin superconducting disks
VA Schweigert, FM Peeters - Physical review letters, 1999 - APS
The saddle points of the free energy separating the stable states with a different number of
vortices are obtained numerically. In contrast to known surface and geometrical barrier …
vortices are obtained numerically. In contrast to known surface and geometrical barrier …
Strong-pinning regimes by spherical inclusions in anisotropic type-II superconductors
R Willa, AE Koshelev, IA Sadovskyy… - … Science and Technology, 2017 - iopscience.iop.org
The current-carrying capacity of type-II superconductors is decisively determined by how
well material defect structures can immobilize vortex lines. In order to gain deeper insights …
well material defect structures can immobilize vortex lines. In order to gain deeper insights …
Speed limit to the Abrikosov lattice in mesoscopic superconductors
G Grimaldi, A Leo, P Sabatino, G Carapella, A Nigro… - Physical Review B, 2015 - APS
We study the instability of the superconducting state in a mesoscopic geometry for the low
pinning material Mo 3 Ge characterized by a large Ginzburg-Landau parameter. We observe …
pinning material Mo 3 Ge characterized by a large Ginzburg-Landau parameter. We observe …
Metastability and paramagnetism in superconducting mesoscopic disks
JJ Palacios - Physical Review Letters, 2000 - APS
A projected order parameter is used to calculate not only local minima of the Ginzburg-
Landau energy functional but also saddle points or energy barriers responsible for the …
Landau energy functional but also saddle points or energy barriers responsible for the …
Optimization of vortex pinning by nanoparticles using simulations of the time-dependent Ginzburg-Landau model
AE Koshelev, IA Sadovskyy, CL Phillips, A Glatz - Physical Review B, 2016 - APS
Incorporating nanoparticles into superconducting materials has emerged as an efficient
route to enhance their current-carrying capability. However, a thorough understanding of …
route to enhance their current-carrying capability. However, a thorough understanding of …
Modeling oscillations and spiral waves in Dictyostelium populations
Unicellular organisms exhibit elaborate collective behaviors in response to environmental
cues. These behaviors are controlled by complex biochemical networks within individual …
cues. These behaviors are controlled by complex biochemical networks within individual …
Simulation of the Vortex Dynamics in a Real Pinning Landscape of Coated Conductors
The ability of high-temperature superconductors (HTSs) to carry very large currents with
almost no dissipation makes them irreplaceable for high-power applications. The …
almost no dissipation makes them irreplaceable for high-power applications. The …