8 papers
Exact Dynamics of Topological Order Across a CDW--SPT Transition
Pradip Kattel, Yicheng Tang, Natan Andrei
We investigate the nonequilibrium dynamics of a one-dimensional interacting system across a transition from a charge-density-wave (CDW) phase to a symmetry-protected topological (S…
Isospectrality and Operator Complexity
Pradip Kattel, Yicheng Tang, Natan Andrei
We study a pair of exactly solvable, isospectral fermion chains, one strongly interacting and one quadratic, that nevertheless display remarkably different phase structures and ope…
A mean-field description of strong-to-weak symmetry breaking in the monitored three-dimensional Bose-Hubbard model
Yicheng Tang, Pradip Kattel, J. H. Pixley
Strong-to-weak spontaneous symmetry breaking has emerged as a novel form of ordering in monitored and open quantum systems, yet its characterization has so far primarily relied on…
The measurement-induced phase transition in strongly disordered spin chains
Yicheng Tang, Pradip Kattel, Arijeet Pal +2
We investigate the dynamics of strongly disordered spin chains in the presence of random local measurements. By studying the transverse-field Ising model with a site-dependent rand…
Quantum Zeno Effect in Noisy Integrable Quantum Circuits for Impurity Models
Yicheng Tang, Pradip Kattel, J. H. Pixley +1
We theoretically study the open quantum system dynamics (in the Trotterized limit) of integrable quantum circuits in the presence of onsite dephasing noise with a spin-$\frac{1}{2}…
Two Channel Kondo behavior in the quantum XX chain with a boundary defect
Yicheng Tang, Pradip Kattel, J. H. Pixley +1
We demonstrate that a boundary defect in the single spin- quantum chain exhibits two-channel Kondo physics. Due to the presence of the defect, the edge spin fract…