Charged skyrmions and topological origin of superconductivity in magic-angle graphene
Topological solitons, a class of stable nonlinear excitations, appear in diverse domains as in
the Skyrme model of nuclear forces. Here, we argue that similar excitations play an …
the Skyrme model of nuclear forces. Here, we argue that similar excitations play an …
Deconfined quantum criticality lost
Over the past two decades, the enigma of the deconfined quantum critical point (DQCP) has
attracted broad attention across the condensed matter, quantum field theory, and high …
attracted broad attention across the condensed matter, quantum field theory, and high …
Skyrmion superconductivity: DMRG evidence for a topological route to superconductivity
It was recently suggested that the topology of magic-angle twisted bilayer graphene's
(MATBG) flat bands could provide a novel mechanism for superconductivity distinct from …
(MATBG) flat bands could provide a novel mechanism for superconductivity distinct from …
Phases of SO(5) Nonlinear Sigma Model with a Topological Term on a Sphere: Multicritical Point and Disorder Phase
Novel critical phenomena beyond the Landau-Ginzburg-Wilson paradigm have been long
sought after. Among many candidate scenarios, the deconfined quantum critical point …
sought after. Among many candidate scenarios, the deconfined quantum critical point …
Many versus one: The disorder operator and entanglement entropy in fermionic quantum matter
Motivated by recent development of the concept of the disorder operator and its relation with
entanglement entropy in bosonic systems, here we show the disorder operator successfully …
entanglement entropy in bosonic systems, here we show the disorder operator successfully …
Dirac fermions with plaquette interactions. I. SU (2) phase diagram with Gross-Neveu and deconfined quantum criticalities
We investigate the ground state phase diagram of an extended Hubbard model with a π-flux
hopping term at half filling on a square lattice, with unbiased large-scale auxiliary-field …
hopping term at half filling on a square lattice, with unbiased large-scale auxiliary-field …
Unconventional superconducting quantum criticality in monolayer WTe2
The transitions from a superconductor to a resistive state in two dimensions provide a
valuable platform for studying continuous quantum phase transitions and critical …
valuable platform for studying continuous quantum phase transitions and critical …
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 …
The teaching from entanglement: 2D SU (2) antiferromagnet to valence bond solid deconfined quantum critical points are not conformal
The deconfined quantum critical point (DQCP)--the enigmatic incarnation of the quantum
phase transition beyond the Landau-Ginzburg-Wilson paradigm of symmetries and their …
phase transition beyond the Landau-Ginzburg-Wilson paradigm of symmetries and their …
Extended Hubbard model in undoped and doped monolayer and bilayer graphene: Selection rules and organizing principle among competing orders
Performing a leading-order renormalization group analysis, here we compute the effects of
generic local or short-range electronic interactions in monolayer and the Bernal bilayer …
generic local or short-range electronic interactions in monolayer and the Bernal bilayer …