Landau theory
General Landau theory of non-symmetry-breaking and symmetry-breaking spin transition materials
... The Landau theory, with proper identification and use of symmetry-breaking and non-symmetry- breaking order parameters is very useful to describe phase transitions in multi-stable ...
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Theoretical studies of PbTiO3 and SrTiO3 under uniaxial mechanical constraints combining first-principles calculations and phenomenological Landau theory
... In the present thesis we present theoretical studies of perovskite compounds under uniax- ial mechanical constraints combining first-principles DFT calculations approach and phe- nomenological Landau ...
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Computing cross fields A PDE approach based on the Ginzburg-Landau theory
... We compute the analytical location of critical points of a directional field defined on the unit disk. The calculations 221[r] ...
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A Ginzburg-Landau model with topologically induced free discontinuities
... Ginzburg-Landau theory, a prescribed number of point vortices appear in the small energy regime; the model allows for discontinuities, and the energy penalizes their ...Ginzburg- Landau model, the ...
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Radial symmetry on three-dimensional shells in the Landau-de Gennes theory
... and Landau-de Gennes theories, of which the Landau-de Gennes theory is the most general, have received considerable attention in the mathematical and modelling literature [10, 5, ...the ...
23
Quelques problèmes liés à la dynamique des équations de Gross-Pitaevskii et de Landau-Lifshitz
... the Landau theory of superfluidity of Helium II says that the dispersion curve must exhibit a roton minimum (see [71, 37]) as was corroborated later by experimental observations ...
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Partages d'espaces. Introduction Le pavillon israélien de Sigalit Landau à Venise en 2011
... devant lesquels le visiteur peut s’asseoir. Les écrans diffusent les images filmées avec douze caméras ayant enregistré sous des angles différents le jeu désinvolte et grave d’une petite fille, placée sous cette même ...
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Thermodynamic explanation of Landau damping by reduction to hydrodynamics
... nonlinear Landau damping enjoys the same long-time properties if the initial perturbation is a perturbation of a stable equilibrium and some other assumptions are satisfied—particularly that the interaction ...
22
Comparison of numerical schemes for Fokker-Planck-Landau equation
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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A generic software framework for Wang-Landau type algorithms
... 5 Outlook The Wang-Landau (WL) algorithm is a stochastic algorithm initially designed to compute densities of states for physical systems, also suitable to handle challenging numerical integration cases in high ...
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Numerical investigation of Landau damping in dynamical Lorentz gases
... Therefore, this work fits in the framework of open sys- tems theory where a classical, or quantum, system is cou- pled to its environment through exchanges of mass, momen- tum or energy. In turn, the environment ...
21
Hypoelliptic and spectral estimates for the linearized Landau operator
... understand the so-called pseudospectrum properties and derive possible trend to the equilibrium or regularization properties for the related evolution equation thanks to Cauchy formulae (see e.g. [ 11 ] for a complete ...
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Composite Fermi liquids in the lowest Landau level
... The theory of the particle-hole symmetric ν = 1/2 elec- tronic composite Fermi liquid however has striking similarities with Read’s LLL theory of bosonic ν = 1 composite Fermi ...
15
Incompressible Navier-Stokes-Fourier limit from the Landau equation
... Proof. Let g be a solution to a solution of the scaled Landau equation ( 3 ). The second set of equations we consider are the local conservation laws satisfied by (a, b, c). To derive these we multiply ( 41 ) by ...
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Innovative Weak Formulation for The Landau-Lifshitz-Gilbert Equations
... The magnetization dynamics towards equilibrium was calculated with several values of the damping parameter by using the WF2 based approach and compared to those obtained with the FD s[r] ...
5
Some uniqueness results for minimisers of Ginzburg-Landau functionals
... Keywords: uniqueness, minimisers, Ginzburg-Landau. MSC: 35A02, 35B06, 35J50. This note is based on the article [3] of the authors and represents the talk of the first author (Radu Ignat) given at the Workshop ...
6
Landau-Zener-Stückelberg-Majorana interferometry of a single hole
... been detected in magnetotransport [38] , but the conse- quences of strong SOI have not yet been studied at the single-hole level. In this Letter, we use Landau-Zener-Stückelberg- Majorana (LZSM) interferometry to ...
7
Cauchy problem and exponential stability for the inhomogeneous Landau equation
... Our strategy is thus based on the study of the linearized equation. And then, we go back to the fully nonlinear problem. This is a standard strategy to develop a Cauchy theory in a close-to- equilibrium regime. ...
44
The Vlasov-Ampère system and the Bernstein-Landau paradox *
... spectral theory of selfadjoint operators in a Hilbert ...spectral theory, see for example [15, 23, 24, 25, ...the Landau-damping in [11, ...spectral theory of selfadjoint ...
41
A branched transport limit of the Ginzburg-Landau functional
... In type-I superconductors, it is observed experimentally [PH09, Pro07, PGPP05] that complex patterns appear at the surface of the sample. It is believed that these patterns are a manifestation of branching patterns ...
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