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Updated: May 30, 2026

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
Published on: August 15, 2018
Modes of magnetic resonance in the spin-liquid phase of Cs2CuCl4
K Yu Povarov1, A I Smirnov, O A Starykh
1P. L. Kapitza Institute for Physical Problems, RAS, 119334 Moscow, Russia. povarov@kapitza.ras.ru
Abstract:
We report the observation of a frequency shift and splitting of the electron spin resonance (ESR) mode of the low-dimensional S=1/2 frustrated antiferromagnet Cs2CuCl4 in the spin-correlated state above the ordering temperature 0.62 K. The shift and splitting exhibit strong anisotropy with respect to the direction of the applied magnetic field and do not vanish in a zero field. The low-temperature evolution of the ESR is a result of the modification of the one-dimensional spinon continuum by the uniform Dzyaloshinskii-Moriya interaction within the spin chains.
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