Science· 2017Q1
Neutron scattering in the proximate quantum spin liquid α-RuCl <sub>3</sub>
- 721citations
- Q1SCImago
- 2017year
Short summary
Neutron scattering experiments on α-RuCl <sub>3</sub> reveal a stable, temperature-independent column of scattering at the Brillouin zone center, consistent with Majorana excitations predicted for a Kitaev quantum spin liquid (KQSL).
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Key points
- Observed a stable, temperature-independent scattering column at the Brillouin zone center in α-RuCl <sub>3</sub>.
- This signal is consistent with scattering from Majorana excitations.
- Experimental features can be linked to deviations from an ideal KQSL model.
- Results encourage further study of α-RuCl <sub>3</sub> for emergent magnetic Majorana fermions.
AI-generated from the title and abstract; the full text is not read.
Abstract
to reconstruct dynamical correlations in energy-momentum space. We discovered highly unusual signals, including a column of scattering over a large energy interval around the Brillouin zone center, which is very stable with temperature. This finding is consistent with scattering from the Majorana excitations of a KQSL. Other, more delicate experimental features can be transparently associated with perturbations to an ideal model. Our results encourage further study of this prototypical material and may open a window into investigating emergent magnetic Majorana fermions in correlated materials.
The authors' abstract, as published at the source. Science, 2017 · DOI ↗
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Field: Condensed Matter Physics
Condensed Matter PhysicsPhysics and Astronomy