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Start Over Author "Alexander Chernyshev" Journal czechoslovak journal of physics
1 results on '"Alexander Chernyshev"'

1. Long-wavelength dynamics of the two-dimensional antiferromagnet

Author

Lev Popovich, Vladimir Shubin, Alexander Chernyshev, and Victor Belinicher

Subjects
Physics, Long wavelength, Condensed matter physics, Heisenberg model, Lattice (order), General Physics and Astronomy, Antiferromagnetism, Quantum, Saddle
Abstract

We perform the long-wavelength reduction of the two-dimensional quantum lattice rotator model. An intermediate scale is introduced and the short-wavelength antiferromagnetic spin fluctuations are integrated out. The saddle-point solution for the generalized continuous sigma-model in terms of parameters of the initial model is constructed.

Published
1996

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