Quantum-critical spin dynamics in a Tomonaga-Luttinger liquid studied with muon-spin relaxation

We demonstrate that quantum-critical spin dynamics can be probed in high magnetic fields using muon-spin relaxation (μ+SR). Our model system is the strong-leg spin ladder bis(2,3-dimethylpyridinium) tetrabromocuprate (DIMPY). In the gapless Tomonaga-Luttinger liquid phase we observe finite-temperatu...

ver descrição completa

Detalhes bibliográficos
Main Authors: Möller, J, Lancaster, T, Blundell, S, Pratt, F, Baker, P, Xiao, F, Williams, R, Hayes, W, Turnbull, M, Landee, C
Formato: Journal article
Publicado em: American Physical Society 2017