ABSTRACT The two-dimensional (2D) magnet, a long-standing missing member in the
family of 2D functional materials, is promising for nextgeneration information technology …

The Kitaev model is an exactly solvable S= 1/2 spin model on a 2D honeycomb lattice, in
which the spins fractionalize into Majorana fermions and form a topological quantum spin …

Computational models are an essential tool for the design, characterization, and discovery
of novel materials. Computationally hard tasks in materials science stretch the limits of …

The quantum Hall effect in two-dimensional electron gases involves the flow of topologically
protected dissipationless charge currents along the edges of a sample. Integer or fractional …

The Kitaev quantum spin liquid (KQSL) is an exotic emergent state of matter exhibiting
Majorana fermion and gauge flux excitations. The magnetic insulator α-RuCl3 is thought to …

Spin liquids are collective phases of quantum matter that have eluded discovery in
correlated magnetic materials for over half a century. Theoretical models of these enigmatic …

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 …

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 …

Quantum spin liquids (QSLs) are topological states of matter exhibiting remarkable
properties such as the capacity to protect quantum information from decoherence. Whereas …

Geometrical constraints to the electronic degrees of freedom within condensed-matter
systems often give rise to topological quantum states of matter such as fractional quantum …