The applicability of the sine-Gordon model to the magnetic heat capacity of (C6H11NH3)CuBr3

A.M.C. Tinus; W.J.M. Jonge, de; K. Kopinga

doi:10.1016/0304-8853(86)90269-6

The applicability of the sine-Gordon model to the magnetic heat capacity of (C6H11NH3)CuBr3

A.M.C. Tinus, W.J.M. Jonge, de, K. Kopinga

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Abstract

The field dependence of the heat capacity of (C6H11NH3)CuBr3 has been analysed. The overall behavior for 1.5 K <T <7 K and B <7 kG is confronted with the classical sine-Gordon model. The observed deviations are mainly due to spin-components out of the easy-plane, which tend to cancel the quantum (sine-Gordon) effects in this s=1/2 system.

Original language	English
Pages (from-to)	824-826
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	54-57
Issue number	2
DOIs	https://doi.org/10.1016/0304-8853(86)90269-6
Publication status	Published - 1986

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title = "The applicability of the sine-Gordon model to the magnetic heat capacity of (C6H11NH3)CuBr3",

abstract = "The field dependence of the heat capacity of (C6H11NH3)CuBr3 has been analysed. The overall behavior for 1.5 K <T <7 K and B <7 kG is confronted with the classical sine-Gordon model. The observed deviations are mainly due to spin-components out of the easy-plane, which tend to cancel the quantum (sine-Gordon) effects in this s=1/2 system.",

author = "A.M.C. Tinus and {Jonge, de}, W.J.M. and K. Kopinga",

year = "1986",

doi = "10.1016/0304-8853(86)90269-6",

language = "English",

volume = "54-57",

pages = "824--826",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

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T1 - The applicability of the sine-Gordon model to the magnetic heat capacity of (C6H11NH3)CuBr3

AU - Tinus, A.M.C.

AU - Jonge, de, W.J.M.

AU - Kopinga, K.

PY - 1986

Y1 - 1986

N2 - The field dependence of the heat capacity of (C6H11NH3)CuBr3 has been analysed. The overall behavior for 1.5 K <T <7 K and B <7 kG is confronted with the classical sine-Gordon model. The observed deviations are mainly due to spin-components out of the easy-plane, which tend to cancel the quantum (sine-Gordon) effects in this s=1/2 system.

AB - The field dependence of the heat capacity of (C6H11NH3)CuBr3 has been analysed. The overall behavior for 1.5 K <T <7 K and B <7 kG is confronted with the classical sine-Gordon model. The observed deviations are mainly due to spin-components out of the easy-plane, which tend to cancel the quantum (sine-Gordon) effects in this s=1/2 system.

U2 - 10.1016/0304-8853(86)90269-6

DO - 10.1016/0304-8853(86)90269-6

M3 - Article

VL - 54-57

SP - 824

EP - 826

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

IS - 2

ER -