THEORETICAL STUDY OF TERAHERTZ ABSORPTION SPECTRA AND NEUTRON INELASTIC SCATTERING IN FRUSTRATED MAGNET Tb2Ti2O7

V. V. Klekovkina; Klekovkina V. V.; B. Z. Malkin; Malkin B. Z.

doi:10.31857/S0044451025030083

THEORETICAL STUDY OF TERAHERTZ ABSORPTION SPECTRA AND NEUTRON INELASTIC SCATTERING IN FRUSTRATED MAGNET Tb2Ti2O7

Authors: Klekovkina V.V.¹, Malkin B.Z.¹
Affiliations:
1. Kazan Federal University
Issue: Vol 167, No 3 (2025)
Pages: 371-378
Section: ORDER, DISORDER AND PHASE TRANSITIONS IN CONDENSED MATTER
URL: https://rjeid.com/0044-4510/article/view/683862
DOI: https://doi.org/10.31857/S0044451025030083
ID: 683862

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Abstract

Using the single-particle approximation we calculate the envelopes of the spectral lines of terahertz absorption and inelastic neutron scattering spectra corresponding to magnetic dipole transitions between the sublevels of Tb3+ ions in the Tb2Ti2O7 crystal, split by the field of random deformations induced by point defects of the crystal lattice upon violation of the stoichiometric composition of the crystal.