Nonequilibrium dynamical mean-field theory and its applications
The study of nonequilibrium phenomena in correlated lattice systems has developed into
one of the most active and exciting branches of condensed matter physics. This research …
one of the most active and exciting branches of condensed matter physics. This research …
When superconductivity crosses over: From BCS to BEC
New developments in superconductivity, particularly through unexpected and often
surprising forms of superconducting materials, continue to excite the community and …
surprising forms of superconducting materials, continue to excite the community and …
Nonthermal antiferromagnetic order and nonequilibrium criticality in the Hubbard model
We study dynamical phase transitions from antiferromagnetic to paramagnetic states driven
by an interaction quench in the fermionic Hubbard model using the nonequilibrium …
by an interaction quench in the fermionic Hubbard model using the nonequilibrium …
Superconductivity on a quasiperiodic lattice: Extended-to-localized crossover of Cooper pairs
We study a possible superconductivity in quasiperiodic systems by portraying the issue
within the attractive Hubbard model on a Penrose lattice. Applying a real-space dynamical …
within the attractive Hubbard model on a Penrose lattice. Applying a real-space dynamical …
BCS-BEC crossover in the extended Falicov-Kimball model: Variational cluster approach
We study the spontaneous symmetry breaking of the excitonic insulator state induced by the
Coulomb interaction U in the two-dimensional extended Falicov-Kimball model. Using the …
Coulomb interaction U in the two-dimensional extended Falicov-Kimball model. Using the …
Nonthermal symmetry-broken states in the strongly interacting Hubbard model
We study the time evolution of the antiferromagnetic order parameter after interaction
quenches in the Hubbard model. Using the nonequilibrium dynamical mean-field formalism …
quenches in the Hubbard model. Using the nonequilibrium dynamical mean-field formalism …
Ordered phases in the Holstein-Hubbard model: Interplay of strong Coulomb interaction and electron-phonon coupling
We study the Holstein-Hubbard model at half filling to explore ordered phases including
superconductivity (SC), antiferromagnetism (AF), and charge order (CO) in situations where …
superconductivity (SC), antiferromagnetism (AF), and charge order (CO) in situations where …
Coexistence of -wave superconductivity and phase separation in the half-filled extended Hubbard model with attractive interactions
Understanding competing instabilities in systems with correlated fermions remains one of
the holy grails of modern condensed matter physics. Among the fermionic lattice models …
the holy grails of modern condensed matter physics. Among the fermionic lattice models …
Local origin of the pseudogap in the attractive Hubbard model
We provide a fresh perspective on the pseudogap physics for attractive fermions as
described by the three-dimensional Hubbard model. The pseudogap in the single-particle …
described by the three-dimensional Hubbard model. The pseudogap in the single-particle …
Nonthermal melting of Néel order in the Hubbard model
We study the unitary time evolution of antiferromagnetic order in the Hubbard model after a
quench starting from the perfect Néel state. In this setup, which is well suited for experiments …
quench starting from the perfect Néel state. In this setup, which is well suited for experiments …