Topological magnons: A review
PA McClarty - Annual Review of Condensed Matter Physics, 2022 - annualreviews.org
At sufficiently low temperatures, magnetic materials often enter correlated phases hosting
collective, coherent magnetic excitations such as magnons or triplons. Drawing on the …
collective, coherent magnetic excitations such as magnons or triplons. Drawing on the …
Half-integer quantized anomalous thermal Hall effect in the Kitaev material candidate α-RuCl3
Half-integer thermal quantum Hall conductance has recently been reported for the two-
dimensional honeycomb material α-RuCl3. We found that the half-integer thermal Hall …
dimensional honeycomb material α-RuCl3. We found that the half-integer thermal Hall …
Rethinking
We argue that several empirical constraints strongly restrict parameters of the effective
microscopic spin model describing α-RuCl 3. In particular, such constraints dictate a …
microscopic spin model describing α-RuCl 3. In particular, such constraints dictate a …
Theory of the field-revealed Kitaev spin liquid
Elementary excitations in entangled states such as quantum spin liquids may exhibit exotic
statistics different from those obeyed by fundamental bosons and fermions. Non-Abelian …
statistics different from those obeyed by fundamental bosons and fermions. Non-Abelian …
Finite field regime for a quantum spin liquid in
An external magnetic field can induce a transition in α-RuCl 3 from an ordered zigzag state
to a disordered state that is possibly related to the Kitaev quantum spin liquid. Here, we …
to a disordered state that is possibly related to the Kitaev quantum spin liquid. Here, we …
Sign structure of thermal Hall conductivity and topological magnons for in-plane field polarized Kitaev magnets
The appearance of half-quantized thermal Hall conductivity in α-RuCl 3 in the presence of in-
plane magnetic fields has been taken as a strong evidence for the Kitaev spin liquid. Apart …
plane magnetic fields has been taken as a strong evidence for the Kitaev spin liquid. Apart …
Identification of magnetic interactions and high-field quantum spin liquid in α-RuCl3
The frustrated magnet α-RuCl3 constitutes a fascinating quantum material platform that
harbors the intriguing Kitaev physics. However, a consensus on its intricate spin interactions …
harbors the intriguing Kitaev physics. However, a consensus on its intricate spin interactions …
Thermal Hall effect of magnons in collinear antiferromagnetic insulators: Signatures of magnetic and topological phase transitions
We demonstrate theoretically that the thermal Hall effect of magnons in collinear
antiferromagnetic insulators is an indicator of magnetic and topological phase transitions in …
antiferromagnetic insulators is an indicator of magnetic and topological phase transitions in …
Thermal Hall effects in quantum magnets
In the recent years, the thermal Hall transport has risen as an important diagnosis of the
physical properties of the elementary excitations in various quantum materials, especially …
physical properties of the elementary excitations in various quantum materials, especially …