Quantum Spin Excitations in the Spin-Peierls System CuGeO3

M. Arai, M. Fujita, M. Motokawa, J. Akimitsu, S. M. Bennington

Research output: Contribution to journalArticle

89 Citations (Scopus)

Abstract

The complete spectrum of the double spinon excitation in the spin-Peierls system CuGeO3 is mapped as a function of temperature for the first time. The spin dynamics of the lower boundary and the excitation continuum evolve quite differently. Moreover, the dimerization of the lattice produces a sharp excitation in the lower energy boundary at the edge of the Brillouin zone, as well as the well known spin-gap opening at the zone center.

Original languageEnglish
Pages (from-to)3649-3652
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number17
DOIs
Publication statusPublished - Jan 1 1996
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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