Quantum shock waves in the Heisenberg XY model

Details Quantum shock waves in the Heisenberg XY model Quantum shock waves in the Heisenberg XY model

2000-06-15

arxiv.org/abs/cond-mat/0006249v1

to be published in PRB, July 1 2000

Physics

Condensed Matter

Statistical Mechanics

15 pages,6 figures

Scientific paper

10.1103/PhysRevB.62.352

We show the existence of quantum states of the Heisenberg XY chain which
closely follow the motion of the corresponding semi-classical ones, and whose
evolution resemble the propagation of a shock wave in a fluid. These states are
exact solutions of the Schroedinger equation of the XY model and their
classical counterpart are simply domain walls or soliton-like solutions.

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