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Sindzingre P, Misguich G, Lhuillier C, et al. Magnetothermodynamics of the spin- 1 / 2 Kagome antiferromagnet. Phys Rev Lett. 2000;84(13):2953-6doi: 10.1103/PhysRevLett.84.2953.
Sindzingre, P., Misguich, G., Lhuillier, C., Bernu, B., Pierre, L., Waldtmann, C., & Everts, H. (2000). Magnetothermodynamics of the spin- 1 / 2 Kagome antiferromagnet. Physical review letters, 84(13), 2953-6. https://doi.org/10.1103/PhysRevLett.84.2953
Sindzingre, et al. "Magnetothermodynamics of the spin- 1 / 2 Kagome antiferromagnet." Physical review letters vol. 84,13 (2000): 2953-6. doi: https://doi.org/10.1103/PhysRevLett.84.2953
Sindzingre P, Misguich G, Lhuillier C, Bernu B, Pierre L, Waldtmann C, Everts H. Magnetothermodynamics of the spin- 1 / 2 Kagome antiferromagnet. Phys Rev Lett. 2000 Mar 27;84(13):2953-6. doi: 10.1103/PhysRevLett.84.2953. PMID: 11018984.
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Phys Rev Lett. 2000 Mar 27;84(13):2953-6. doi: 10.1103/PhysRevLett.84.2953.

Magnetothermodynamics of the spin- 1 / 2 Kagome antiferromagnet.

Physical review letters

Sindzingre, Misguich, Lhuillier, Bernu, Pierre, Waldtmann, Everts

Affiliations

  1. Laboratoire de Physique Theorique des Liquides, Universite P. et M. Curie, case 121, 4 Place Jussieu, 75252 Paris Cedex, France.

PMID: 11018984 DOI: 10.1103/PhysRevLett.84.2953

Abstract

In this paper, we use a new hybrid method to compute the thermodynamic behavior of the spin- 1 / 2 Kagome antiferromagnet under the influence of a large external magnetic field. We find a T2 low-temperature behavior and a very low sensitivity of the specific heat to a strong external magnetic field. We display clear evidence that this low-temperature magnetothermal effect is associated with the existence of low-lying fluctuating singlets, but also that the whole picture ( T2 behavior of C(v) and the thermally activated spin susceptibility) implies contribution of both nonmagnetic and magnetic excitations. Comparison with experiments is made.

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