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Tomonaga-Luttinger Liquid Spin Dynamics in the Quasi-One-Dimensional Ising-Like Antiferromagnet BaCo2V2O8
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- Faure, Quentin (författare)
- Univ Grenoble Alpes, CEA, IRIG, MEM,MED, F-38000 Grenoble, France.;Univ Grenoble Alpes, Inst NEEL, F-38042 Grenoble, France.
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- Takayoshi, Shintaro (författare)
- Max Planck Inst Phys Komplexer Syst, D-01307 Dresden, Germany.;Univ Geneva, Dept Quantum Matter Phys, CH-1211 Geneva, Switzerland.
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- Simonet, Virginie (författare)
- Univ Grenoble Alpes, Inst NEEL, F-38042 Grenoble, France.
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- Grenier, Beatrice (författare)
- Univ Grenoble Alpes, CEA, IRIG, MEM,MED, F-38000 Grenoble, France.
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- Månsson, Martin, As. Prof. 1976- (författare)
- KTH,Tillämpad materialfysik,Paul Scherrer Inst, Lab Neutron Scattering & Imaging, CH-5232 Villigen, Switzerland
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- White, Jonathan S. (författare)
- Paul Scherrer Inst, Lab Neutron Scattering & Imaging, CH-5232 Villigen, Switzerland.
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- Tucker, Gregory S. (författare)
- Paul Scherrer Inst, Lab Neutron Scattering & Imaging, CH-5232 Villigen, Switzerland.;Ecole Polytech Fed Lausanne, Inst Phys, Lab Quantum Magnetism, CH-1015 Lausanne, Switzerland.
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- Ruegg, Christian (författare)
- Univ Geneva, Dept Quantum Matter Phys, CH-1211 Geneva, Switzerland.;Paul Scherrer Inst, Lab Neutron Scattering & Imaging, CH-5232 Villigen, Switzerland.;Paul Scherrer Inst, Neutrons & Muons Res Div, CH-1211 Villigen, Switzerland.
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- Lejay, Pascal (författare)
- Univ Grenoble Alpes, Inst NEEL, F-38042 Grenoble, France.
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- Giamarchi, Thierry (författare)
- Univ Geneva, Dept Quantum Matter Phys, CH-1211 Geneva, Switzerland.
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- Petit, Sylvain (författare)
- Univ Paris Saclay, CEA Saclay, CNRS, Lab Leon Brillouin,CEA, F-91191 Gif Sur Yvette, France.
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Univ Grenoble Alpes, CEA, IRIG, MEM,MED, F-38000 Grenoble, France;Univ Grenoble Alpes, Inst NEEL, F-38042 Grenoble, France. Max Planck Inst Phys Komplexer Syst, D-01307 Dresden, Germany.;Univ Geneva, Dept Quantum Matter Phys, CH-1211 Geneva, Switzerland. (creator_code:org_t)
- American Physical Society, 2019
- 2019
- Engelska.
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Ingår i: Physical Review Letters. - : American Physical Society. - 0031-9007 .- 1079-7114. ; 123:2
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Combining inelastic neutron scattering and numerical simulations, we study the quasi-one-dimensional Ising anisotropic quantum antiferromagnet BaCo2V2O8 in a longitudinal magnetic field. This material shows a quantum phase transition from a Neel ordered phase at zero field to a longitudinal incommensurate spin density wave at a critical magnetic field of 3.8 T. Concomitantly, the excitation gap almost closes and a fundamental reconfiguration of the spin dynamics occurs. These experimental results are well described by the universal Tomonaga-Luttinger liquid theory developed for interacting spinless fermions in one dimension. We especially observe the rise of mainly longitudinal excitations, a hallmark of the unconventional low-field regime in Ising-like quantum antiferromagnetic chains.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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Faure, Quentin
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Takayoshi, Shint ...
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Simonet, Virgini ...
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Grenier, Beatric ...
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Månsson, Martin, ...
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White, Jonathan ...
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Tucker, Gregory ...
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Ruegg, Christian
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Lejay, Pascal
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Giamarchi, Thier ...
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Petit, Sylvain
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