Bulletin of the American Physical Society
2023 Fall Meeting of the APS Eastern Great Lakes Section
Friday–Saturday, October 20–21, 2023; Cleveland State University, Cleveland, Ohio
Session F01: Poster Session
5:30 PM,
Friday, October 20, 2023
Cleveland State University
Room: Fenn Tower 303
Abstract: F01.00042 : Spin diffusion and dynamical susceptibility of Kitaev spin liquid
Presenter:
salim karimov
(Ohio State University)
Author:
salim karimov
(Ohio State University)
In this study, we elucidate the absence of spin diffusion in Kitaev QSLs at any temperature by leveraging the integrability of the Hamiltonian. Our analysis demonstrates that local magnetic perturbations induce no spin diffusion, as confirmed by numerical results. We show that this absence of diffusion is not solely due to short correlation lengths but also arises from anisotropy in correlations, both originating from conserved Z2 flux.
Furthermore, we investigate the dynamic magnetic susceptibility of different Kitaev phases and its dependence on temperature. This analysis complements recent experiments and may serve as an observable probe for the elusive topological quantum phase transition in Kitaev models.
Our findings contribute to a deeper understanding of quantum spin liquids and their potential applications in quantum computing, emphasizing the unique transport properties of these exotic quantum states.
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