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Quantum fluctuations in antiferromagnets

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Abstract:

Dynamic properties of antiferromagnets at zero temperature are explored. Going beyond RPA a nonlinear set of coupled equations for dynamic susceptibilities and correlation functions is derived. New results are presented for nondiagonal elements of the dynamic susceptibility tensor, longitudinal fluctuations and their influence on transverse fluctuations.

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Authors and Affiliations

  1. Institut für Theoretische Physik C, Technische Hochschule Aachen, 52056 , Aachen, Germany

    H. Capellmann

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  1. H. Capellmann
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Received 13 August 1999

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Capellmann, H. Quantum fluctuations in antiferromagnets. Eur. Phys. J. B 14, 515–521 (2000). https://doi.org/10.1007/s100510051060

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  • DOI: https://doi.org/10.1007/s100510051060

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