6 papers
Revealing Intrinsic Anisotropy of Collective Magnetic Excitations in Twinned Crystals of a Kitaev-Heisenberg Quantum Magnet
Naipeng Zhang, Nikolai Simonov, Mykhaylo Ozerov +11
Quantum magnets with competing interactions often emerge from delicate balances among microscopic parameters, making it essential to disentangle intrinsic spin dynamics from extrin…
Spin dynamics of the spin-1 triangular lattice Heisenberg antiferromagnet KNi(SeO)
Chaebin Kim, Sathvik Nallapati, E. A. Ghioldi +6
Strong quantum fluctuations and unconventional spin dynamics are well established in the spin-1/2 triangular lattice Heisenberg antiferromagnet. However, their survival in the spin…
Semiclassical Routes to the -RuCl Scattering Continuum via Model MetaAnalysis
Chaebin Kim, Martin Mourigal
-RuCl is a leading material for proximate Kitaev magnetism. We address the origin of the broad, -point centered excitation continuum observed by inelastic neutron scatt…
Sharp spectroscopic fingerprints of disorder in an incompressible magnetic state
Chaebin Kim, Sumedh Rathi, Naipeng Zhang +15
Disorder significantly impacts the electronic properties of conducting quantum materials by inducing electron localization and thus altering the local density of states and electri…
Emulation of quantum correlations by classical dynamics in a spin-1/2 Heisenberg chain
Chaebin Kim, Martin Mourigal
We simulate the dynamical spin structure factor (DSSF) of the spin-1/2 Heisenberg antiferromagnetic chain using classical simulations. By employing Landau-Lif…
Magneto-Optical Study of Chiral Magnetic Modes in NiI: Direct Evidence for Kitaev Interactions
Kartik Panda, Chaebin Kim, Daniel Bazyliansky +13
Bond-dependent magnetic interactions, particularly those described by the Kitaev model, have emerged as a key pathway toward realizing unconventional magnetic states such as quantu…