ESR investigation on the breather mode and the spinon-breather dynamical crossover in Cu benzoate

T. Asano; H. Nojiri; Y. Inagaki; J. P. Boucher; T. Sakon; Y. Ajiro; M. Motokawa

doi:10.1103/PhysRevLett.84.5880

ESR investigation on the breather mode and the spinon-breather dynamical crossover in Cu benzoate

T. Asano, H. Nojiri, Y. Inagaki, J. P. Boucher, T. Sakon, Y. Ajiro, M. Motokawa

Research output: Contribution to journal › Article › peer-review

111 Citations (Scopus)

Abstract

Using electron spin resonance (ESR), a well-defined breather excitation was observed in a very wide-field range for Cu benzoate exposed to a staggered field. The field dependence of the energy gap showed good agreement with the results of previously reported specific-heat measurements. Overall, the results establish the validity of the mass formula of the uniform first-breather mode at q = 0 in a wide-field range for a quantum SG system.

Original language	English
Pages (from-to)	5880-5883
Number of pages	4
Journal	Physical review letters
Volume	84
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.84.5880
Publication status	Published - 2000
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.84.5880

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abstract = "Using electron spin resonance (ESR), a well-defined breather excitation was observed in a very wide-field range for Cu benzoate exposed to a staggered field. The field dependence of the energy gap showed good agreement with the results of previously reported specific-heat measurements. Overall, the results establish the validity of the mass formula of the uniform first-breather mode at q = 0 in a wide-field range for a quantum SG system.",

author = "T. Asano and H. Nojiri and Y. Inagaki and Boucher, {J. P.} and T. Sakon and Y. Ajiro and M. Motokawa",

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T1 - ESR investigation on the breather mode and the spinon-breather dynamical crossover in Cu benzoate

AU - Asano, T.

AU - Nojiri, H.

AU - Inagaki, Y.

AU - Boucher, J. P.

AU - Sakon, T.

AU - Ajiro, Y.

AU - Motokawa, M.

PY - 2000

Y1 - 2000

N2 - Using electron spin resonance (ESR), a well-defined breather excitation was observed in a very wide-field range for Cu benzoate exposed to a staggered field. The field dependence of the energy gap showed good agreement with the results of previously reported specific-heat measurements. Overall, the results establish the validity of the mass formula of the uniform first-breather mode at q = 0 in a wide-field range for a quantum SG system.

AB - Using electron spin resonance (ESR), a well-defined breather excitation was observed in a very wide-field range for Cu benzoate exposed to a staggered field. The field dependence of the energy gap showed good agreement with the results of previously reported specific-heat measurements. Overall, the results establish the validity of the mass formula of the uniform first-breather mode at q = 0 in a wide-field range for a quantum SG system.

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JO - Physical review letters

JF - Physical review letters

IS - 25

ER -

ESR investigation on the breather mode and the spinon-breather dynamical crossover in Cu benzoate

Abstract

All Science Journal Classification (ASJC) codes

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