Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Antiferromagnet on Pyrochlore Lattice in Spherical Approximation

Version 1 : Received: 11 June 2022 / Approved: 22 June 2022 / Online: 22 June 2022 (03:41:05 CEST)

How to cite: Bundaru, R.S. Antiferromagnet on Pyrochlore Lattice in Spherical Approximation. Preprints 2022, 2022060301. https://doi.org/10.20944/preprints202206.0301.v1 Bundaru, R.S. Antiferromagnet on Pyrochlore Lattice in Spherical Approximation. Preprints 2022, 2022060301. https://doi.org/10.20944/preprints202206.0301.v1

Abstract

We develop an 1/n expansion method for the systematic approxi- mation of the solutions of classical spin systems (tri-dimensional vec- tors) which can describe general spin-spin interactions and phases with complex magnetization pattern. This method is applied to study the phase transitions observed in pyrochlore crystals (e.g. Gd2 Ti2 O7 ) and the results have qualitative agreement with the experimental ones.

Keywords

phase transition; antiferromagnetism; spherical model

Subject

Physical Sciences, Condensed Matter Physics

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