Quantum Spin Excitations in the Spin-Peierls System CuGeO3

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

doi:10.1103/PhysRevLett.77.3649

Quantum Spin Excitations in the Spin-Peierls System CuGeO₃

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

IMR - Materials Property Division

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93 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 language	English
Pages (from-to)	3649-3652
Number of pages	4
Journal	Physical Review Letters
Volume	77
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.77.3649
Publication status	Published - 1996

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10.1103/PhysRevLett.77.3649

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Quantum Spin Excitations in the Spin-Peierls System CuGeO₃

Abstract

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