Extended quantum critical phase in a magnetized spin-1/2 antiferromagnetic chain

M. B. Stone; D. H. Reich; C. Broholm; K. Lefmann; C. Rischel; C. P. Landee; M. M. Turnbull

Extended quantum critical phase in a magnetized spin-1/2 antiferromagnetic chain

M. B. Stone, D. H. Reich, C. Broholm, K. Lefmann, C. Rischel, C. P. Landee, M. M. Turnbull

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120 Scopus citations

Abstract

Experiments on CuPzN were performed, providing evidence for an extended critical state in a quantum magnet. Detailed mapping of the spin excitation spectrum in the spin-1/2 LCHAFM verified the long-standing predictions based on the Bethe ansatz of a field driven and critical incommensurate state.

Original language	English
Article number	037205
Pages (from-to)	037205/1-037205/4
Journal	Physical Review Letters
Volume	91
Issue number	3
State	Published - Jul 18 2003
Externally published	Yes

Funding

This work was supported by NSF Grant No. DMR-0074571 and utilized facilities supported by NIST and the NSF under Agreement No. 9986442. X-ray characterization was carried out using facilities maintained by the JHU MRSEC under NSF Grant No. DMR-0080031.

Funders	Funder number
JHU MRSEC	DMR-0080031
National Science Foundation	DMR-0074571
National Institute of Standards and Technology	9986442

Cite this

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title = "Extended quantum critical phase in a magnetized spin-1/2 antiferromagnetic chain",

abstract = "Experiments on CuPzN were performed, providing evidence for an extended critical state in a quantum magnet. Detailed mapping of the spin excitation spectrum in the spin-1/2 LCHAFM verified the long-standing predictions based on the Bethe ansatz of a field driven and critical incommensurate state.",

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AU - Stone, M. B.

AU - Reich, D. H.

AU - Broholm, C.

AU - Lefmann, K.

AU - Rischel, C.

AU - Landee, C. P.

AU - Turnbull, M. M.

PY - 2003/7/18

Y1 - 2003/7/18

N2 - Experiments on CuPzN were performed, providing evidence for an extended critical state in a quantum magnet. Detailed mapping of the spin excitation spectrum in the spin-1/2 LCHAFM verified the long-standing predictions based on the Bethe ansatz of a field driven and critical incommensurate state.

AB - Experiments on CuPzN were performed, providing evidence for an extended critical state in a quantum magnet. Detailed mapping of the spin excitation spectrum in the spin-1/2 LCHAFM verified the long-standing predictions based on the Bethe ansatz of a field driven and critical incommensurate state.

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M3 - Article

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 3

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Extended quantum critical phase in a magnetized spin-1/2 antiferromagnetic chain

Abstract

Funding

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