[PDF] Top 20 Optimized perturbation theory in the vortex liquid of type-II superconductors

... an optimized perturbation theory for the Ginzburg–Landau description of thermal fluctuations effects in the vortex ...Unlike the high temperature expansion ... See full document

... temperature in systems of repelling ...“fluctuation-temperature” liquid state therefore serves as a (pseudo) “fixed point” controlling the properties of vortex liquid ... See full document

... describe the competition between interactions, thermal fluctuations, and random quenched disorder using the dynamical Martin-Siggia-Rose approach ...to the Ginzburg- Landau model of the ... See full document

... softening of elastic moduli. In the extreme case, when the system approaches the overheated crystal spinodal line the shear modulus vanishes making the crystalline state ... See full document

... calculation of correla- tors of the order parameter, the critical current as function of magnetic …eld and temperature and the I-V ...curves. The static or moving ‡ux line ... See full document

... describe vortex matter higher Lan- dau levels 共HLLs兲 corrections are sometimes ...example, in an optimally doped YBCO supercon- ductor one can establish the LLL scaling for fields above 3 T and ... See full document

... is the lattice spacing in our units and ␤ A ...expansion in the liquid phase Homogeneous ‘‘vortex liquid’’ phase 共which is not sepa- rated from the ‘‘normal’’ phase ... See full document

... Republic of China ( Received 5 July 2000 ) A new systematic calculation of magnetization and specific heat contributions of vortex liquids and solids is ...an optimized ... See full document

... is the dynamical matrix and R a are loca- tions of vortices usually arranged in the lattice and e i j is the totally antisymmetric ...elasticity theory, the detailed ... See full document

... quantitatively the combined effects of both the thermal fluctuations and of the quenched disorder via the replica trick applied to the Ginzburg–Landau (GL) ...that ... See full document

... temperature. The magnetization curves agree with experimental results on Y-Ba- Cu-O and Monte Carlo ...array of vortices in type-II superconductors. The vortices strongly ... See full document

... makes the divergences similar to so-called ‘‘spurious’’ divergences in the theory of critical phenomena with broken continuous symmetry and they exactly cancel out each other, provided ... See full document

... homogeneous vortex liquid state exists down to zero fluctuation temperature in systems of mutually repelling ...objects. The zero- temperature liquid state therefore serves as a ... See full document

... that the static flux line lattice in type-II superconductors undergoes a transition into three disor- dered phases: vortex liquid (not pinned), homogeneous vortex ... See full document

... lattice in type II superconductors undergoes a transition into a ‘‘disordered’’ phase such as vortex liquid or vortex glass, due to thermal fluctuations and random ... See full document

... deformation of the FLL. In a small driving field, it is expected that the plastic creep will ...dominate. The high-frequency vortex response of high-temperature ... See full document

... for the transverse thermoelectric conductivity α xy in 2D including all Landau levels in type-II superconductor in the vortex-liquid ...regime. The ... See full document

... study of the phase diagram of type-II superconduc- tors remains one of the major challenges in condensed matter physics, not only due to its importance to ... See full document

... using the time-dependent Ginzburg-Landau equation with thermal noise, the transverse thermoelectric conductivity ␣ xy and the Nernst signal e N , describing the Nernst effect, in ... See full document

... Department of Physics, Bar-Ilan University, Ramat-Gan, Israel Available online 12 April 2007 Abstract The theory of structural transformation of the vortex lattice ... See full document