Experimental Check of Heisenberg Chain Quantum Statistics for a Ferromagnetic Organic Radical Crystal

Kazuyoshi Takeda, Toshiyuki Hamano, Tatsuya Kawae, Masako Hidaka, Minoru Takahashi, Syuji Kawasaki, Kazuo Mukai

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Abstract

One-dimensional quantum statistics has been studied at the limit of isotropic exchange interaction in the unpaired electron system of a ferromagnetic organic radical crystal, 3-(4-chlorophenyl)-l,5-diphenyl-6-oxoverdazyl. The characteristic field dependence of the magnetic heat capacity of this crystal is quantitatively explained by the theoretical values derived from the Bethe-ansatz technique applied to the quantum transfer matrix, with a unique intrachain exchange constant J/kB = 5.5K. By the simultaneous measurement of magnetic susceptibility and heat capacity, the three-dimensional ordering at Tc=0.21 K, which is triggered by a weak interchain coupling |zJ′|/KB = 3×10−2K, is confirmed.

Original languageEnglish
Pages (from-to)2343-2346
Number of pages4
JournalJournal of the Physical Society of Japan
Volume64
Issue number7
DOIs
Publication statusPublished - 1995

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quantum statistics
specific heat
crystals
magnetic permeability
electrons
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Experimental Check of Heisenberg Chain Quantum Statistics for a Ferromagnetic Organic Radical Crystal. / Takeda, Kazuyoshi; Hamano, Toshiyuki; Kawae, Tatsuya; Hidaka, Masako; Takahashi, Minoru; Kawasaki, Syuji; Mukai, Kazuo.

In: Journal of the Physical Society of Japan, Vol. 64, No. 7, 1995, p. 2343-2346.

Research output: Contribution to journalArticle

Takeda, Kazuyoshi ; Hamano, Toshiyuki ; Kawae, Tatsuya ; Hidaka, Masako ; Takahashi, Minoru ; Kawasaki, Syuji ; Mukai, Kazuo. / Experimental Check of Heisenberg Chain Quantum Statistics for a Ferromagnetic Organic Radical Crystal. In: Journal of the Physical Society of Japan. 1995 ; Vol. 64, No. 7. pp. 2343-2346.
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AU - Kawasaki, Syuji

AU - Mukai, Kazuo

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