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Excitations in the quantum paramagnetic phase of the quasi-one-dimensional Ising magnet CoNb$_2$O$_6$ in a transverse field: Geometric frustration and quantum renormalization effects

Abstract:

The quasi-one-dimensional (1D) Ising ferromagnet CoNb$_2$O$_6$ has recently been driven via applied transverse magnetic fields through a continuous quantum phase transition from spontaneous magnetic order to a quantum paramagnet, and dramatic changes were observed in the spin dynamics, characteristic of weakly perturbed 1D Ising quantum criticality. We report here extensive single-crystal inelastic neutron scattering measurements of the magnetic excitations throughout the three-dimensional (3...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.90.014418

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Thompson, JD More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Prabhakaran, D More by this author
Bewley, RI More by this author
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Publisher:
American Physical Society Publisher's website
Journal:
Phys. Rev. B
Volume:
90
Issue:
1
Pages:
014418
Publication date:
2014-02-28
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:abbd2f8a-01da-4841-bfc5-2238026f97dc
Source identifiers:
456167
Local pid:
pubs:456167
Language:
English
Keywords:

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