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Title:

Quantum spin liquid at finite temperature: Proximate dynamics and persistent typicality

Document type:
Zeitschriftenaufsatz
Author(s):
Rousochatzakis, I.; Kourtis, S.; Knolle, J.; Moessner, R.; Perkins, N. B.
Abstract:
Quantum spin liquids are long-range entangled states of matter with emergent gauge fields and fractionalized excitations. While candidate materials, such as the Kitaev honeycomb ruthenate α−RuCl3, show magnetic order at low temperatures T, here we demonstrate numerically a dynamical crossover from magnonlike behavior at low T and frequencies ω to long-lived fractionalized fermionic quasiparticles at higher T and ω. This crossover is akin to the presence of spinon continua in quasi-1D spin chains...     »
Journal title:
Physical Review B 2019-07
Year:
2019
Journal volume:
100
Journal issue:
4
Fulltext / DOI:
doi:10.1103/physrevb.100.045117
Publisher:
American Physical Society (APS)
E-ISSN:
2469-99502469-9969
Date of publication:
12.07.2019
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