Tomonaga-Luttinger liquid spin dynamics in the quasi-one dimensional Ising-like antiferromagnet BaCo${}_2$V${}_2$O${}_8$

Abstract

Combining inelastic neutron scattering and numerical simulations, we study the quasi-one dimensional Ising anisotropic quantum antiferromagnet \bacovo\ in a longitudinal magnetic field. This material shows a quantum phase transition from a Néel 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 antiferromagnet chains.

arXiv comment6 pages, 4 figures; 4 additional pages of supplementary information containing 3 figures

References in corpus (27)

• Efficient classical simulation of slightly entangled quantum computations
• Bose-Einstein Condensation in Magnetic Insulators
• Pinning quantum phase transition for a Luttinger liquid of strongly interacting bosons
• DMRG Studies of the Spin-Half Heisenberg System with Dimerization and Frustration
• Critical Properties of gapped spin-1/2 chains and ladders in a magnetic field
• Controlling Luttinger liquid physics in spin ladders under a magnetic field
• Statics and dynamics of weakly coupled antiferromagnetic spin-1/2 ladders in a magnetic field
• Experimental Observation of Bethe Strings
• Magnetic Excitations in the Spin-1 Anisotropic Heisenberg Antiferromagnetic Chain System NiCl${}_2$-4SC(NH${}_2$)${}_2$
• Direct Observation of Magnon Fractionalization in the Quantum Spin Ladder
• Spinons in the strongly correlated copper oxide chains in SrCuO2
• Topological quantum phase transition in the Ising-like antiferromagnetic spin chain BaCo${}_2$V${}_2$O${}_8$
• Spinon confinement in a quasi one dimensional anisotropic Heisenberg magnet
• Longitudinal and Transverse Zeeman Ladders in the Ising-Like Chain Antiferromagnet BaCo2V2O8
• Novel ordering of an S = 1/2 quasi one-dimensional Ising-like anitiferromagnet in magnetic field
• Dynamically dominant excitations of string solutions in the spin-1/2 antiferromagnetic Heisenberg chain in magnetic fields
• Spectrum of a magnetized strong-leg quantum spin ladder
• Mott Transition for Strongly-Interacting 1D Bosons in a Shallow Periodic Potential
• Longitudinal SDW order in a quasi-1D Ising-like quantum antiferromagnet
• Symmetric and asymmetric excitations of a strong-leg quantum spin ladder
• Quasiparticles governing the zero-temperature dynamics of the 1D spin-1/2 Heisenberg antiferromagnet in a magnetic field
• Field-induced magnetic behavior in quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8: A single-crystal neutron diffraction study
• Giant magnetic-field dependence of the coupling between spin Tomonaga-Luttinger liquids in BaCo2V2O8
• Luttinger liquid behavior in spin chains with a magnetic field
• $z=2$ Quantum Critical Dynamics in a Spin Ladder
• Finite-temperature correlations in a quantum spin chain near saturation
• Topological transition between competing orders in quantum spin chains

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• Field-induced antiferromagnetism and Tomonaga-Luttinger liquid behavior in the quasi-one-dimensional Ising-Antiferromagnet SrCo2V2O8
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• Stability Frontiers and Mixed-dimensional physics in the Kagome Intermetallics Ln3ScBi5 (Ln = La-Nd, Sm)
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