Results 271 to 280 of about 57,596 (307)

The Newton-X platform for mixed quantum-classical dynamics.

Phys Chem Chem Phys
Barbatti M, Mattos RS, Demoulin B, de O Bispo M, Bondanza M, Brady M, Crespo-Otero R, de Miranda EGF, Dral PO, Granucci G, Hehn A, Hernández FJ, Iuzzolino G, Kar R, Kossoski F, Lischka H, Mennucci B, Mukherjee S, Mukhopadhyay A, Perrella F, Persico M, Pinheiro M, Pittner J, Plasser F, Rega N, Sangiogo-Gil E, Thorat T, Toldo JM, Tomaz AA, Varella MTDN, Vasquez L.   +30 more
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Classical spin systems [PDF]

, 2017
Abstract The thermodynamic properties of spin systems are evaluated with Monte Carlo methods. A review of classical thermodynamics is followed by a discussion of critical exponents. The Monte Carlo method is then applied to the two-dimensional Ising model with the goal of determining the phase diagram for magnetization.
Joseph F. Boudreau, Eric S. Swanson
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Dynamics of classical spins on a lattice: Spin diffusion

Physical Review B, 1992
The transport of magnetization and of spin-spin energy are calculated numerically for classical gyromagnets, coupled by truncated dipole-dipole and nearest-neighbor exchange interactions, on sc, bcc, and fcc cubic lattices. For the exchange case the results agree with previous theory, and also agree with experiments on $^{3}\mathrm{He}$ for diffusion ...
, Tang, , Waugh
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Classically spinning and isospinning solitons

AIP Conference Proceedings, 2012
We investigate classically spinning topological solitons in (2 + 1)- and (3 + 1)-dimensional models; more explicitely spinning sigma model solitons in 2 + 1 dimensions and Skyrme solitons in 2 + 1 and 3 + 1 dimensions. For example, such types of solitons can be used to describe quasiparticle excitations in ferromagnetic quantum Hall systems or to model
Battye, R A, Haberichter, M
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Chirality induced spin selectivity: A classical spin-off

The Journal of Chemical Physics, 2023
We demonstrate that angular momentum selectivity of particles traversing chiral environments is not limited to the quantum regime and can be realized in classical scenarios also. In our classical variant, the electron spin, which is central to the quantum chirality induced spin selectivity (CISS) effect, is replaced by the self-rotation of a finite ...
Yun Chen, Oded Hod
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On a classical spin glass model

Zeitschrift für Physik B Condensed Matter, 1983
A simple, exactly soluble, model of a spin-glass with weakly correlated disorder is presented. It includes both randomness and frustration, but its solution can be obtained without replicas. As the temperature T is lowered, the spin-glass phase is reached via an equilibrium phase transition at T=Tf.
van Hemmen, JL, Enter, A.C.D. van, Canisius, J.   +2 more
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Thomas’s classical theory of spin

Il Nuovo Cimento, 1962
The author states the equivalence of Thomas’s classical theory of spin and the Bargmann-Michel-Telegdi equation.
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THE QUANTIZATION OF CLASSICAL SPIN THEORY

Canadian Journal of Physics, 1953
The antisymmetric spin tensor of rank two used to describe the rotational motion of a particle is assumed to satisfy the constraint condition that the velocity 4-vector is orthogonal to it. Since the dipole moment is proportional to the spin tensor, this condition leads always to a purely magnetic dipole in the rest system of the particle. Frenkel has
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