Models and materials for generalized Kitaev magnetism
The exactly solvable Kitaev model on the honeycomb lattice has recently received
enormous attention linked to the hope of achieving novel spin-liquid states with …
enormous attention linked to the hope of achieving novel spin-liquid states with …
Hunting Majorana fermions in Kitaev magnets
A Majorana fermion is a fermionic particle that is its own antiparticle. Since the theoretical
discovery by Ettore Majorana in 1937, the exotic particle has long been searched in particle …
discovery by Ettore Majorana in 1937, the exotic particle has long been searched in particle …
Thermal fractionalization of quantum spins in a Kitaev model: Temperature-linear specific heat and coherent transport of Majorana fermions
Finite-temperature (T) properties of a Kitaev model defined on a honeycomb lattice are
investigated by a quantum Monte Carlo simulation, from the viewpoint of fractionalization of …
investigated by a quantum Monte Carlo simulation, from the viewpoint of fractionalization of …
Vaporization of Kitaev spin liquids
The quantum spin liquid is an exotic quantum state of matter in magnets. This state is a spin
analog of liquid helium that does not solidify down to the lowest temperature due to strong …
analog of liquid helium that does not solidify down to the lowest temperature due to strong …
Recent progress on correlated electron systems with strong spin–orbit coupling
The emergence of novel quantum ground states in correlated electron systems with strong
spin–orbit coupling has been a recent subject of intensive studies. While it has been …
spin–orbit coupling has been a recent subject of intensive studies. While it has been …
Thermodynamic Evidence of Proximity to a Kitaev Spin Liquid in
Kitaev magnets are materials with bond-dependent Ising interactions between localized
spins on a honeycomb lattice. Such interactions could lead to a quantum spin-liquid (QSL) …
spins on a honeycomb lattice. Such interactions could lead to a quantum spin-liquid (QSL) …
Classification of gapless spin liquids in three-dimensional Kitaev models
K O'Brien, M Hermanns, S Trebst - Physical Review B, 2016 - APS
Frustrated quantum magnets can harbor unconventional spin-liquid ground states in which
the elementary magnetic moments fractionalize into new emergent degrees of freedom …
the elementary magnetic moments fractionalize into new emergent degrees of freedom …
Breakdown of Magnetic Order in the Pressurized Kitaev Iridate
Temperature-pressure phase diagram of the Kitaev hyperhoneycomb iridate β-Li 2 IrO 3 is
explored using magnetization, thermal expansion, magnetostriction, and muon spin rotation …
explored using magnetization, thermal expansion, magnetostriction, and muon spin rotation …
Weyl spin liquids
M Hermanns, K O'Brien, S Trebst - Physical Review Letters, 2015 - APS
The fractionalization of quantum numbers in interacting quantum many-body systems is a
central motif in condensed-matter physics with prominent examples including the …
central motif in condensed-matter physics with prominent examples including the …
Theory of magnetic phase diagrams in hyperhoneycomb and harmonic-honeycomb iridates
EKH Lee, YB Kim - Physical Review B, 2015 - APS
Motivated by recent experiments, we consider a generic spin model in the j eff= 1/2 basis for
the hyperhoneycomb and harmonic-honeycomb iridates. Based on microscopic …
the hyperhoneycomb and harmonic-honeycomb iridates. Based on microscopic …