Slow crossover from superdiffusion to diffusion in isotropic spin chains
C McCarthy, S Gopalakrishnan, R Vasseur - Physical Review B, 2024 - APS
Finite-temperature spin transport in integrable isotropic spin chains (ie, spin chains with
continuous non-Abelian symmetries) is known to be superdiffusive, with anomalous …
continuous non-Abelian symmetries) is known to be superdiffusive, with anomalous …
Spin- XXZ chain coupled to two Lindblad baths: Constructing nonequilibrium steady states from equilibrium correlation functions
State-of-the-art approaches to extract transport coefficients of many-body quantum systems
broadly fall into two categories:(i) they target the linear-response regime in terms of …
broadly fall into two categories:(i) they target the linear-response regime in terms of …
Nonequilibrium spin transport in integrable and nonintegrable classical spin chains
Anomalous transport in low dimensional spin chains is an intriguing topic that can offer key
insights into the interplay of integrability and symmetry in many-body dynamics. Recent …
insights into the interplay of integrability and symmetry in many-body dynamics. Recent …
Lindblad dynamics from spatio-temporal correlation functions in nonintegrable spin- chains with different boundary conditions
We investigate the Lindblad equation in the context of boundary-driven magnetization
transport in spin-1/2 chains. Our central question is whether the nonequilibrium steady state …
transport in spin-1/2 chains. Our central question is whether the nonequilibrium steady state …
Kardar-Parisi-Zhang scaling in the Hubbard model
We explore the Kardar-Parisi-Zhang (KPZ) scaling in the one-dimensional Hubbard model,
which exhibits global SU c (2)⊗ SU s (2) symmetry at half filling, for the pseudocharge and …
which exhibits global SU c (2)⊗ SU s (2) symmetry at half filling, for the pseudocharge and …
Diagnosing quantum transport from wave function snapshots
We study nonequilibrium quantum dynamics of spin chains by employing principal
component analysis on data sets of wave function snapshots and examine how information …
component analysis on data sets of wave function snapshots and examine how information …
Einstein relation for subdiffusive relaxation in Stark chains
We investigate chains of interacting spinless fermions subject to a finite external field F (also
called Stark chains) and focus on the regime where the charge thermalization follows the …
called Stark chains) and focus on the regime where the charge thermalization follows the …