Excitations from a Bose-Einstein condensate of magnons in coupled spin ladders

V. O. Garlea; A. Zheludev; T. Masuda; H. Manaka; L. P. Regnault; E. Ressouche; B. Grenier; J. H. Chung; Y. Qiu; K. Habicht; K. Kiefer; M. Boehm

doi:10.1103/PhysRevLett.98.167202

Excitations from a Bose-Einstein condensate of magnons in coupled spin ladders

V. O. Garlea, A. Zheludev, T. Masuda, H. Manaka, L. P. Regnault, E. Ressouche, B. Grenier, J. H. Chung, Y. Qiu, K. Habicht, K. Kiefer, M. Boehm

Research output: Contribution to journal › Article › peer-review

54 Citations (Scopus)

Abstract

The weakly coupled quasi-one-dimensional spin ladder compound (CH3)2CHNH3CuCl3 is studied by neutron scattering in magnetic fields exceeding the critical field of Bose-Einstein condensation of magnons. Commensurate long-range order and the associated Goldstone mode are detected and found to be similar to those in reference to spin-dimer materials. However, for the upper two massive magnon branches, the observed behavior is totally different, culminating in a drastic collapse of excitation bandwidth beyond the transition point.

Original language	English
Article number	167202
Journal	Physical review letters
Volume	98
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.98.167202
Publication status	Published - 2007 Apr 19
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1103/PhysRevLett.98.167202

Cite this

@article{0cb674174397434196620e794296f32b,

title = "Excitations from a Bose-Einstein condensate of magnons in coupled spin ladders",

abstract = "The weakly coupled quasi-one-dimensional spin ladder compound (CH3)2CHNH3CuCl3 is studied by neutron scattering in magnetic fields exceeding the critical field of Bose-Einstein condensation of magnons. Commensurate long-range order and the associated Goldstone mode are detected and found to be similar to those in reference to spin-dimer materials. However, for the upper two massive magnon branches, the observed behavior is totally different, culminating in a drastic collapse of excitation bandwidth beyond the transition point.",

author = "Garlea, {V. O.} and A. Zheludev and T. Masuda and H. Manaka and Regnault, {L. P.} and E. Ressouche and B. Grenier and Chung, {J. H.} and Y. Qiu and K. Habicht and K. Kiefer and M. Boehm",

year = "2007",

month = apr,

day = "19",

doi = "10.1103/PhysRevLett.98.167202",

language = "English",

volume = "98",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "16",

}

TY - JOUR

T1 - Excitations from a Bose-Einstein condensate of magnons in coupled spin ladders

AU - Garlea, V. O.

AU - Zheludev, A.

AU - Masuda, T.

AU - Manaka, H.

AU - Regnault, L. P.

AU - Ressouche, E.

AU - Grenier, B.

AU - Chung, J. H.

AU - Qiu, Y.

AU - Habicht, K.

AU - Kiefer, K.

AU - Boehm, M.

PY - 2007/4/19

Y1 - 2007/4/19

N2 - The weakly coupled quasi-one-dimensional spin ladder compound (CH3)2CHNH3CuCl3 is studied by neutron scattering in magnetic fields exceeding the critical field of Bose-Einstein condensation of magnons. Commensurate long-range order and the associated Goldstone mode are detected and found to be similar to those in reference to spin-dimer materials. However, for the upper two massive magnon branches, the observed behavior is totally different, culminating in a drastic collapse of excitation bandwidth beyond the transition point.

AB - The weakly coupled quasi-one-dimensional spin ladder compound (CH3)2CHNH3CuCl3 is studied by neutron scattering in magnetic fields exceeding the critical field of Bose-Einstein condensation of magnons. Commensurate long-range order and the associated Goldstone mode are detected and found to be similar to those in reference to spin-dimer materials. However, for the upper two massive magnon branches, the observed behavior is totally different, culminating in a drastic collapse of excitation bandwidth beyond the transition point.

UR - http://www.scopus.com/inward/record.url?scp=34247378975&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.98.167202

DO - 10.1103/PhysRevLett.98.167202

M3 - Article

AN - SCOPUS:34247378975

VL - 98

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 16

M1 - 167202

ER -

Excitations from a Bose-Einstein condensate of magnons in coupled spin ladders

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this