Finite-temperature scaling of spin correlations in a partially magnetized Heisenberg $S=1/2$ chain

Abstract

Inelastic neutron scattering is employed to study transverse spin correlations of a Heisenberg $S=1/2$ chain compound in a magnetic field of 7.5 T. The target compound is the antiferromagnetic Heisenberg $S=1/2$ chain material 2(1,4-Dioxane)$\cdot$2(H${}_2$O)$\cdot$CuCl${}_2$, or CuDCl for short. The validity and the limitations of the scaling relation for the transverse dynamic structure factor are tested, discussed and compared to the Tomonaga-Luttinger spin liquid theory and to Bethe-ansatz results for the Heisenberg model.

References in corpus (3)

• Quantum spin chains with frustration due to Dzyaloshinskii-Moriya interactions
• Scaling of temporal correlations in an attractive Tomonaga-Luttinger spin liquid
• Finite-temperature scaling of spin correlations in an experimental realization of the one-dimensional Ising quantum critical point

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• Measuring multipartite entanglement via dynamic susceptibilities
• Geometry of quantum phase transitions
• Fractionalized excitations in the partially magnetized spin liquid candidate YbMgGaO4
• Reconstructing the quantum critical fan of strongly correlated systems via quantum correlations
• Dichotomy between Attractive and Repulsive Tomonaga-Luttinger Liquids in Spin Ladders
• $z=2$ Quantum Critical Dynamics in a Spin Ladder
• Finite-temperature correlations in a quantum spin chain near saturation
• Quantum criticality in a three dimensional spin system at zero field and pressure
• Quantum-critical spin dynamics in a Tomonaga-Luttinger liquid studied with muon-spin relaxation
• Quantum critical dynamics and scaling in one-dimensional antiferromagnets
• Tomonaga-Luttinger liquid and quantum criticality in spin-1/2 antiferromagnetic Heisenberg chain C14H18CuN4O10 via Wilson ratio
• Finite-temperature dynamics and the role of disorder in nearly critical Ni(Cl${}_{1-x}$Br${}_x$)${}_2$$\cdot$4SC(NH${}_2$)${}_2$