Results 21 to 30 of about 6,538,230 (211)

Reexamining Ginzburg-Landau theory for neutron P23 superfluidity in neutron stars [PDF]

open access: yesPhysical Review C, 2019
The Ginzburg-Landau (GL) effective theory is a useful tool to study a superconductivity or superfluidity near the critical temperature, and usually the expansion up to the fourth-order in terms of order parameters is sufficient for the description of the
S. Yasui   +3 more
semanticscholar   +1 more source

On fluxes in the 19 Landau-Ginzburg model

open access: yesJournal of High Energy Physics, 2023
In this paper we present a large class of flux backgrounds and solve the shortest vector problem in type IIB string theory on an orientifold of the 19 Landau-Ginzburg model.
Katrin Becker   +2 more
doaj   +1 more source

Computing cross fields - A PDE approach based on the Ginzburg-Landau theory [PDF]

open access: yes, 2017
This paper proposes a method to compute crossfields based on the Ginzburg-Landau theory. The Ginzburg-Landau functional has two terms: the Dirichlet energy of the distribution and a term penalizing the mismatch between the fixed and actual norm of the ...
Pierre-Alexandre Beaufort   +4 more
semanticscholar   +1 more source

Singular Calabi-Yau Manifolds and ADE Classification of CFTs [PDF]

open access: yes, 2000
We study superstring propagations on the Calabi-Yau manifold which develops an isolated ADE singularity. This theory has been conjectured to have a holographic dual description in terms of N=2 Landau-Ginzburg theory and Liouville theory.
Naka, Michihiro, Nozaki, Masatoshi
core   +2 more sources

The equation of state for metal-doped ferroelectrics within the Weiss model

open access: yesJournal of Advanced Dielectrics, 2022
This paper presents a theoretical model for describing the thermodynamic properties of doped ferroelectric crystals based on a modified Weiss mean-field approach.
Ivan A. Starkov   +2 more
doaj   +1 more source

Finsler geometry in anisotropic superconductivity: a Ginzburg-Landau approach [PDF]

open access: yesOpen Communications in Nonlinear Mathematical Physics
We present a rigorous generalization of the classical Ginzburg--Landau model to smooth, compact Finsler manifolds without boundary. This framework provides a natural analytic setting for describing anisotropic superconductivity within Finsler geometry ...
Y. Alipour Fakhri
doaj   +1 more source

Solution Theory of Ginzburg-Landau Theory on BCS-BEC Crossover

open access: yesAdvances in Mathematical Physics, 2014
We establish strong solution theory of time-dependent Ginzburg-Landau (TDGL) systems on BCS-BEC crossover. By the properties of Besov, Sobolev spaces, and Fourier functions and the method of bootstrapping argument, we deduce that the global existence of ...
Shuhong Chen, Zhong Tan
doaj   +1 more source

Fermion-induced quantum critical points

open access: yesNature Communications, 2017
Quantum phase transitions are governed by Landau-Ginzburg theory and the exceptions are rare. Here, Li et al. propose a type of Landau-forbidden quantum critical points induced by gapless fermions in two-dimensional Dirac semimetals.
Zi-Xiang Li   +3 more
doaj   +1 more source

Weakly Nonlinear Magnetic Convection in a Nonuniformly Rotating Electrically Conductive Medium Under the Action of Modulation of External Fields

open access: yesEast European Journal of Physics, 2020
In this paper we studied the weakly nonlinear stage of stationary convective instability in a nonuniformly rotating layer of an electrically conductive fluid in an axial uniform magnetic field under the influence of: a) temperature modulation of the ...
Michael I. Kopp   +2 more
doaj   +1 more source

Ginzburg-Landau Approach to Holographic Superconductivity [PDF]

open access: yes, 2014
We construct a family of minimal phenomenological models for holographic superconductors in d=4+1 AdS spacetime and study the effect of scalar and gauge field fluctuations. By making a Ginzburg-Landau interpretation of the dual field theory, we determine
Dector, Aldo
core   +2 more sources

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