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We simulate the stochastic Landau-Lifshitz-Gilbert (LLG) dynamics of a uniaxial nanomagnet out to sub-millisecond timescales using a graphical processing unit based micromagnetic code and determine the effect of geometrical tilts between…

Mesoscale and Nanoscale Physics · Physics 2013-02-05 D. Pinna , Aditi Mitra , D. L. Stein , A. D. Kent

For the one-dimensional Helmholtz equation we write the corresponding time-dependent Helmholtz Hamiltonian in order to study it as an Ermakov problem and derive geometrical angles and phases in this context

Quantum Physics · Physics 2008-02-03 H. C. Rosu , J. L. Romero

The new generalized kinetic equation is offered. This equation represents a hybrid Shakhov's equation and ellipsoidal statistical Holway's equation. Equation constants are expressed through such physically significant quantities, as…

Fluid Dynamics · Physics 2014-01-21 A. V. Latyshev , A. A. Yushkanov

In this paper, Landau diamagnetism is revisited in the context of nonextensive statistical thermodynamics. Exact as well as approximate expressions for partition function, magnetization and susceptibility are obtained by using Hilhorst…

Statistical Mechanics · Physics 2007-05-23 I. Sokmen , F. Buyukkilic , D. Demirhan

Recently a new integral equation describing the thermodynamics of the 1D Heisenberg model was discovered by Takahashi. Using the integral equation we have succeeded in obtaining the high temperature expansion of the specific heat and the…

Statistical Mechanics · Physics 2009-11-07 Masahiro Shiroishi , Minoru Takahashi

In this work we establish new forms of Heun-to-Heun transformations and Heun-to-Hypergeometric transformations. The transformations are realised by changing the independent variable in a non-linear way. Using these we also point out some…

Mathematical Physics · Physics 2007-05-23 Yves Gaspar

A method for time-reversible numerical integration of the deterministic Landau-Lifshitz Gilbert equation by means of a second order Suzuki-Trotter decomposition is presented and tested against commonly used second order predictor-corrector…

We show that the stationary quantum Hamilton-Jacobi equation of non-relativistic 1D systems, underlying Bohmian mechanics, takes the classical form with $\partial_q$ replaced by $\partial_{\hat q}$ where $d\hat q={dq\over…

High Energy Physics - Theory · Physics 2008-11-26 Alon E. Faraggi , Marco Matone

In this work, we construct the general solution to the Heat Equation (HE) and to many tensor structures associated to the Heat Equation, such as Symmetries, Lagrangians, Poisson Brackets (PB) and Lagrange Brackets, using newly devised…

Mathematical Physics · Physics 2007-05-23 Miguel D. Bustamante , Sergio A. Hojman

In this letter, we propose the extended Lorentz transformation in noncommutative geometry, as a possibility on prohibition of the Higgs mass. Since it is difficult to build the symmetry between the connections $A_{\mu}$ and $H$, the…

High Energy Physics - Phenomenology · Physics 2017-08-24 Masaki J. S. Yang

The Moyal *-deformed noncommutative version of Burgers' equation is considered. Using the *-analog of the Cole-Hopf transformation, the linearization of the model in terms of the linear heat equation is found. Noncommutative q-deformations…

High Energy Physics - Theory · Physics 2007-05-23 L. Martina , O. K. Pashaev

The Hamilton-Jacobi equation on metric spaces has been studied by several authors; following the approach of Gangbo and Swiech, we show that the final value problem for the Hamilton-Jacobi equation has a unique solution even if we add a…

Optimization and Control · Mathematics 2020-02-03 Ugo Bessi

Imaginary gauge transformation (IGT) provides a clear understanding of the non-Hermitian skin effect by transforming the non-Hermitian Hamiltonians with real spectra into Hermitian ones. In this paper, we extend this approach to the complex…

Quantum Physics · Physics 2026-01-08 Yunyao Qi , Jinghui Pi , Yuquan Wu , Heng Lin , Chao Zheng , Gui-Lu Long

Algebraic derivation of modified Heisenberg commutation rules for restricted Landau problem is given.

High Energy Physics - Theory · Physics 2009-11-10 K. Andrzejewski , P. Maslanka

We prove a weighted $L_p$-estimate for the stochastic convolution associated to the stochastic heat equation with zero Dirichlet boundary condition on a planar angular domain $\mathcal{D}_{\kappa_0}\subset\mathbb{R}^2$ with angle…

Probability · Mathematics 2019-07-24 Petru A. Cioica-Licht , Kyeong-Hun Kim , Kijung Lee , Felix Lindner

We establish the global well-posedness of the Landau-Lifshitz-Gilbert equation in $\mathbb R^n$ for any initial data ${\bf m}_0\in H^1_*(\mathbb R^n,\mathbb S^2)$ whose gradient belongs to the Morrey space $M^{2,2}(\mathbb R^n)$ with small…

Analysis of PDEs · Mathematics 2013-10-01 Junyu Lin , Baishun Lai , Changyou Wang

In this work, a generalized nonlocal Lakshmanan-Porsezian-Daniel (LPD) equation is introduced, and its integrability as an infinite dimensional Hamilton dynamic system is established. Motivated by the ideas of Ablowitz and Musslimani (2016…

Exactly Solvable and Integrable Systems · Physics 2020-05-11 Wei-Kang Xun , Shou-Fu Tian

Complexifying space time has many interesting applications, from the construction of higher dimensional unification, to provide a useful framework for quantum gravity and to better define some local symmetries that suffer singularities in…

General Relativity and Quantum Cosmology · Physics 2023-09-22 Eduardo Guendelman

We study the stochastic homogenization for a Cauchy problem for a first-order Hamilton-Jacobi equation whose operator is not coercive w.r.t. the gradient variable. We look at Hamiltonians like $H(x,\sigma(x)p,\omega)$ where $\sigma(x)$ is a…

Analysis of PDEs · Mathematics 2017-07-04 Nicolas Dirr , Federica Dragoni , Paola Mannucci , Claudio Marchi

In this paper, we bring in General Landau-Lifshitz-Bloch equation and prove that it admits a local strong solution.

Differential Geometry · Mathematics 2018-02-02 Zonglin Jia