On the Effect of an Inhomogeneous Magnetic Field on High-Frequency Asymptotic Behaviors of Correlation Functions of Spin Lattices

Singular points of spin autocorrelation functions on the imaginary time axis, which determine the arguments of exponential high-frequency asymptotic behaviors, have been analyzed. It has been shown that randomly distributed inhomogeneous magnetic fields expand the wings of spectra of autocorrelation...

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Bibliographic Details
Published in:JETP letters 2018-05, Vol.107 (9), p.553-557
Main Authors: Zobov, V. E., Kucherov, M. M.
Format: Article
Language:English
Subjects:
Atomic
Autocorrelation functions
Biological and Medical Physics
Biophysics
Condensed Matter
Hamiltonian functions
Lattices
Magnetic fields
Molecular
Optical and Plasma Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Solid State Physics
Spintronics
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Summary:Singular points of spin autocorrelation functions on the imaginary time axis, which determine the arguments of exponential high-frequency asymptotic behaviors, have been analyzed. It has been shown that randomly distributed inhomogeneous magnetic fields expand the wings of spectra of autocorrelation functions and, thereby, intensify the heating of a system subjected to variable magnetic fields, which are used to create effective Hamiltonians or at the saturation of inhomogeneously broadened EPR lines.
ISSN:0021-3640
1090-6487
DOI:10.1134/S002136401809014X