Disorder operator and Rényi entanglement entropy of symmetric mass generation
The “symmetric mass generation”(SMG) quantum phase transition discovered in recent
years has attracted great interest from both condensed matter and high energy theory …
years has attracted great interest from both condensed matter and high energy theory …
Tangent fermions: Dirac or Majorana fermions on a lattice without fermion doubling
Methods to discretize the Hamiltonian of a topological insulator or topological
superconductor, without giving up on the topological protection of the massless excitations …
superconductor, without giving up on the topological protection of the massless excitations …
Fermion disorder operator at gross-neveu and deconfined quantum criticalities
The fermion disorder operator has been shown to reveal the entanglement information in 1D
Luttinger liquids and 2D free and interacting Fermi and non-Fermi liquids emerging at …
Luttinger liquids and 2D free and interacting Fermi and non-Fermi liquids emerging at …
Non-hermitian strongly interacting Dirac fermions
Exotic quantum phases and phase transition in the strongly interacting Dirac systems have
attracted tremendous interests. On the other hand, non-Hermitian physics, usually …
attracted tremendous interests. On the other hand, non-Hermitian physics, usually …
Baryons in the Gross-Neveu model in dimensions at finite number of flavors
JJ Lenz, L Pannullo, M Wagner, BH Wellegehausen… - Physical Review D, 2020 - APS
In a recent work [J. Lenz, Phys. Rev. D 101, 094512 (2020) PRVDAQ 2470-0010
10.1103/PhysRevD. 101.094512] we studied the phase structure of the Gross-Neveu (GN) …
10.1103/PhysRevD. 101.094512] we studied the phase structure of the Gross-Neveu (GN) …
Absence of inhomogeneous chiral phases in ()-dimensional four-fermion and Yukawa models
L Pannullo, M Winstel - Physical Review D, 2023 - APS
We show the absence of an instability of homogeneous (chiral) condensates against
spatially inhomogeneous perturbations for various (2+ 1)-dimensional four-fermion and …
spatially inhomogeneous perturbations for various (2+ 1)-dimensional four-fermion and …
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 …
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 …
Spatially oscillating correlation functions in ()-dimensional four-fermion models: The mixing of scalar and vector modes at finite density
M Winstel - Physical Review D, 2024 - APS
In this work, we demonstrate that the mixing of scalar and vector condensates produces
spatially oscillating, but exponentially damped correlation functions in fermionic theories at …
spatially oscillating, but exponentially damped correlation functions in fermionic theories at …
Fractionalized fermionic quantum criticality in spin-orbital Mott insulators
We study transitions between topological phases featuring emergent fractionalized
excitations in two-dimensional models for Mott insulators with spin and orbital degrees of …
excitations in two-dimensional models for Mott insulators with spin and orbital degrees of …