Conferences and symposia. 70th anniversary of the E.K. Zavoisky physical-technical institute, Kazan scientific center of the Russian academy of sciences

Magnetic resonance of spinons in quantum magnets

Kapitza Institute of Physical Problems, Russian Academy of Sciences, ul. Kosygina 2, Moscow, 117334, Russian Federation

A study is made of the spinon continuum fine structure which is observed to occur in the spin-liquid phases of chain- and triangular-lattice magnets at small wave vectors due to the action of a uniform Dzyaloshinskii—Moriya interaction. An ordered phase with a strongly quantum-reduced order parameters is found to exhibit the coexistence of magnon and spin excitations, the former crossing over to the latter when the energy exceeds that of the exchange interaction.

Fulltext is available at IOP
Keywords: spin chains, magnetic resonance, antiferromagnets, quantum magnets
PACS: 75.10.Jm, 75.10.Pq, 75.40.Gb, 76.30.−v (all)
DOI: 10.3367/UFNe.2016.02.037757
Citation: Smirnov A I "Magnetic resonance of spinons in quantum magnets" Phys. Usp. 59 564–570 (2016)
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Received: 17th, March 2016, 4th, February 2016

Оригинал: Смирнов А И «Магнитный резонанс спинонов в квантовых магнетиках» УФН 186 633–639 (2016); DOI: 10.3367/UFNr.2016.02.037757

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