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  Influence of interchain-coupling effects on the low-T properties of the one-dimensional S=1/2 Heisenberg antiferromagnet Yb4As3

Aoki, H., Cichorek, T., Gegenwart, P., Custers, J., Lang, M., Ochiai, A., et al. (2002). Influence of interchain-coupling effects on the low-T properties of the one-dimensional S=1/2 Heisenberg antiferromagnet Yb4As3. Physica B-Condensed Matter, 312, 367-369. doi:10.1016/S0921-4526(01)01547-2.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-317F-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0017-C99E-2
Genre: Journal Article

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 Creators:
Aoki, H.1, Author              
Cichorek, T.1, Author              
Gegenwart, P.1, Author              
Custers, J.1, Author              
Lang, M.1, Author              
Ochiai, A., Author
Steglich, F.2, Author              
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
2Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467              

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Free keywords: Yb4As3; sine-Gordon model; spin-glass anomaly; interchain coupling
 Abstract: We have investigated the difference in the low-T specific heat, C(T, B), of single- and multi-domain Yb4As3 crystals in magnetic fields Bless than or equal to4 T. Upon increasing field, which was applied parallel to the trigonal axis, the C(T)/T values of the single-domain sample have been found to be less reduced than that of the multi-domain one. Furthermore, a minimum value of C(T)/T which is unaffected at Bgreater than or equal to1 T is observed for the single-domain sample around 0.25 K. This behavior cannot be explained by the S = 1/2; Heisenberg antiferromagnet with the intrachain coupling determined by the inelastic neutron scattering. The interchain coupling appears to be responsible for the reported C(T)/T behavior below 1 K. (C) 2002 Elsevier Science B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2002-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 16307
ISI: 000175871000137
DOI: 10.1016/S0921-4526(01)01547-2
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Title: Physica B-Condensed Matter
  Alternative Title : Physica B
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 312 Sequence Number: - Start / End Page: 367 - 369 Identifier: ISSN: 0921-4526