Stimulated wave of polarization in spin chains

Details Stimulated wave of polarization in spin chains Stimulated wave of polarization in spin chains

2006-03-07

arxiv.org/abs/quant-ph/0603049v1

Physics

Quantum Physics

15 pages, 5 figures

Scientific paper

10.1103/PhysRevB.74.054404

Stimulated wave of polarization, triggered by a flip of a single spin, presents a simple model of quantum amplification. Previously, it has been found that such wave can be excited in a 1D Ising chain with nearest-neighbor interactions, irradiated by a weak resonant transverse field. Here we explore models with more realistic Hamiltonians, in particular, with natural dipole-dipole interactions. Results of simulations for 1D spin chains and rings with up to nine spins are presented.

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