Unifying Kitaev magnets, kagomé dimer models, and ruby Rydberg spin liquids
The exploration of quantum spin liquids (QSLs) has been guided by different approaches
including the resonating valence bond (RVB) picture, deconfined lattice gauge theories, and …
including the resonating valence bond (RVB) picture, deconfined lattice gauge theories, and …
Unveiling the S= 3/2 Kitaev honeycomb spin liquids
Abstract The S= 3/2 Kitaev honeycomb model (KHM) is a quantum spin liquid (QSL) state
coupled to a static Z2 gauge field. Employing an SO (6) Majorana representation of …
coupled to a static Z2 gauge field. Employing an SO (6) Majorana representation of …
Metallic and deconfined quantum criticality in Dirac systems
Motivated by the physics of spin-orbital liquids, we study a model of interacting Dirac
fermions on a bilayer honeycomb lattice at half filling, featuring an explicit global SO (3)× U …
fermions on a bilayer honeycomb lattice at half filling, featuring an explicit global SO (3)× U …
Quantum liquids of the Kitaev honeycomb and related Kugel-Khomskii models
The S= 3 2 Kitaev honeycomb model (KHM) is unique among the spin-S Kitaev models due
to a massive ground-state quasidegeneracy that hampered previous numerical and …
to a massive ground-state quasidegeneracy that hampered previous numerical and …
Topological transitions in the Yao-Lee spin-orbital model and effects of site disorder
The Yao-Lee model is an example of exactly solvable spin-orbital models that are
generalizations of the original Kitaev honeycomb model with extra local orbital degrees of …
generalizations of the original Kitaev honeycomb model with extra local orbital degrees of …
Critical properties of metallic and deconfined quantum phase transitions in Dirac systems
We characterize, by means of large-scale fermion quantum Monte Carlo simulations,
metallic and deconfined quantum phase transitions in a bilayer honeycomb model in terms …
metallic and deconfined quantum phase transitions in a bilayer honeycomb model in terms …
Absence of SO (4) quantum criticality in Dirac semimetals at two-loop order
Evidence for relativistic quantum criticality of antiferromagnetism and superconductivity in
two-dimensional Dirac fermion systems has been found in large-scale quantum Monte Carlo …
two-dimensional Dirac fermion systems has been found in large-scale quantum Monte Carlo …
Gross-Neveu-Heisenberg criticality from expansion
The Gross-Neveu-Heisenberg universality class describes a continuous quantum phase
transition between a Dirac semimetal and an antiferromagnetic insulator. Such quantum …
transition between a Dirac semimetal and an antiferromagnetic insulator. Such quantum …
Exact deconfined gauge structures in the higher-spin Yao-Lee model: a quantum spin-orbital liquid with spin fractionalization and non-Abelian anyons
The nonintegrable higher spin Kitaev honeycomb model has an exact Z 2 gauge structure,
which exclusively identifies quantum spin liquid in the half-integer spin Kitaev model. But its …
which exclusively identifies quantum spin liquid in the half-integer spin Kitaev model. But its …
Nematic quantum criticality in Dirac systems
We investigate nematic quantum phase transitions in two different Dirac fermion models.
The models feature twofold and fourfold, respectively, lattice rotational symmetries that are …
The models feature twofold and fourfold, respectively, lattice rotational symmetries that are …