Titlebook: Magnetic Excitations and Fluctuations; Proceedings of an In Stephen W. Lovesey,Umberto Balucani,Valerio Tognet Conference proceedings 1984

核心

R. K. Bullough,D. J. Pilling,J. Timonenbroad range of topics from small clusters of atoms to engineering materials and involve chemistry, physics, materials science and engineering, with length scales ranging from ?ngstroms up to millimeters. The emphasis is on basic science rather than on applications. Each book focuses on a single area

流利圓滑

Specific Heat of TMMC due to Non-Linear Excitations: Comparison with Classical Modelscompletely satisfactory to explain the experimental results[5]. Following the original suggestion by Mikeska[6], TMMC should be mapped by a sine-Gordon, classical chain for external magnetic fields perpendicular to the chain axis of magnitude less than about 5 Tesla.

修飾

無節(jié)奏

Quantum Spin Chains: Phase Behaviour and Dynamic Excitationsntly referred to as the “Heisenberg phase”) with a non-ordered ground state together with an excitation energy gap, which encompasses the Heisenberg point. This behavior is shown schematically in Fig. 1, where the parameters are defined through the XXZ AFM Hamiltonian:..

輕快帶來危險(xiǎn)

Solitons in a , (,=1/2) Quantum Systemhe dynamic behavior of the electronspin system, as monitored by T., and an equilibrium property like C can be understood by adopting solitons as dominant excitations in an appropriate temperature and field regime. Parts of these results have been published recently [1].

CT-angiography

=0 Excitations in the Quantum Chain Systems (C,H,NH,)CuCl, and (C,H,NH,)CuBr, whereas in the classical limit these systems show a rich variety of non-linear phenomena, including soliton-like excitations [6]. The lower energy levels of the S=1/2 XYZ system in zero field have been obtained rigorously by mapping onto an eight-vertex model [7].

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