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Thermodynamics of the Spin Luttinger Liquid in a Model Ladder Material

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Rüegg, Ch., Kiefer, K., Thielemann, B., McMorrow, D. F., Zapf, V., Normand, B., Zvonarev, M. B., Bouillot, P., Kollath, C., Giamarchi, T., Capponi, S., Poilblanc, D., Biner, D., Krämer, K. W.·2008·Physical Review Letters
DOI 10.1103/physrevlett.101.247202
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Abstract

The phase diagram in temperature and magnetic field of the metal-organic, two-leg, spin-ladder compound (C5H12N)2CuBr4 is studied by measurements of the specific heat and the magnetocaloric effect. We demonstrate the presence of an extended spin Luttinger-liquid phase between two field-induced quantum critical points and over a broad range of temperature. Based on an ideal spin-ladder Hamiltonian, comprehensive numerical modeling of the ladder specific heat yields excellent quantitative agreement with the experimental data across the entire phase diagram.

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Metadata

Authors
Rüegg, C., Kiefer, K., Thielemann, B., McMorrow, D. F., Zapf, V., Normand, B., Zvonarev, M. B., Bouillot, P., Kollath, C., Giamarchi, T., Capponi, S., Poilblanc, D., Biner, D., & Krämer, K. W.
Venue
Physical Review Letters
Publisher
American Physical Society (APS)
Published
2008-12-10
Volume
101
Issue
24
Pages
247202-247202
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
DOI
10.1103/physrevlett.101.247202
OpenAlex
W2065120148
Cited by
174
References
0
FWCI
7.10
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Thermodynamics of the Spin Luttinger Liquid in a Model Ladder Material. https://app.cochat.ai/papers/10.1103/physrevlett.101.247202
The paper
Rüegg, C., Kiefer, K., Thielemann, B., McMorrow, D. F., Zapf, V., Normand, B., Zvonarev, M. B., Bouillot, P., Kollath, C., Giamarchi, T., Capponi, S., Poilblanc, D., Biner, D., & Krämer, K. W. (2008). Thermodynamics of the Spin Luttinger Liquid in a Model Ladder Material. Physical Review Letters. https://doi.org/10.1103/physrevlett.101.247202

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.