Possible Bose-Einstein condensate of magnons in single-crystallinePb2V3O9 | Zendy

Benjamin S. Conner | Zendy; Haidong Zhou | Zendy; Younjung Jo | Zendy; Luis Balicas | Zendy; C. R. Wiebe | Zendy; J. P. Carlo | Zendy; Yohei Uemura | Zendy; A. A. Aczel | Zendy; T. J. Williams | Zendy; G. M. Luke | Zendy

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Possible Bose-Einstein condensate of magnons in single-crystallinePb2V3O9

Author(s) -

Benjamin S. Conner,

Haidong Zhou,

Younjung Jo,

Luis Balicas,

C. R. Wiebe,

J. P. Carlo,

Yohei Uemura,

A. A. Aczel,

T. J. Williams,

G. M. Luke

Publication year - 2010

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.81.132401

Subject(s) - physics , magnon , phase boundary , boundary (topology) , condensed matter physics , relaxation (psychology) , spin (aerodynamics) , bose–einstein condensate , field (mathematics) , muon spin spectroscopy , phase (matter) , crystallography , superconductivity , thermodynamics , quantum mechanics , chemistry , ferromagnetism , mathematics , pure mathematics , mathematical analysis , psychology , social psychology

We report the growth and the characterization of single crystals of the S=1/2 spin-dimer compound Pb2V3O9. Magnetic-susceptibility, torque magnetometry, heat-capacity, and muon-spin-relaxation measurements provide evidence for a field-induced Bose-Einstein condensate of magnons in this system. At low temperatures, the field-dependent phase boundary between the dimerized and the condensed state is well described by the expression T*\u3b1(H\u2212Hc1)1/\u3c6, with \u3c6 =(2.00\ub10.04).Peer reviewed: YesNRC publication: Ye

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