activity
20172020
most citedDetecting topological invariants in nonunitary discrete-time quantum walks

211 citations · 211 across the 2 of their papers we have counts for

collaborators

9 papers

cond-mat.quant-gas2020

Programmable Quantum Annealing Architectures with Ising Quantum Wires

Xingze Qiu, Peter Zoller, Xiaopeng Li

Quantum annealing aims at solving optimization problems efficiently by preparing the ground state of an Ising spin-Hamiltonian quantum mechanically. A prerequisite of building a qu…

cond-mat.quant-gas2020

Precise Programmable Quantum Simulations with Optical Lattices

Xingze Qiu, Jie Zou, Xiaodong Qi +1

We present an efficient approach to precisely simulate tight binding models with optical lattices, based on programmable digital-micromirror-device (DMD) techniques. Our approach c…

quant-ph2019

Topology with broken parity-time symmetry

Lei Xiao, Xingze Qiu, Kunkun Wang +3

Topological edge states arise in parity-time ()-symmetric non-unitary quantum dynamics but have so far only been discussed in the -symmetry-unbroken reg…

quant-ph2018

Higher winding number in a non-unitary photonic quantum walk

Lei Xiao, Xingze Qiu, Kunkun Wang +6

Topological matter exhibits exotic properties yet phases characterized by large topological invariants are difficult to implement, despite rapid experimental progress. A promising…

quant-ph2018

Observation of emergent momentum-time skyrmions in parity-time-symmetric non-unitary quench dynamics

Kunkun Wang, Xingze Qiu, Lei Xiao +5

Topology in quench dynamics gives rise to intriguing dynamic topological phenomena, which are intimately connected to the topology of static Hamiltonians yet challenging to probe e…

quant-ph2018

Simulating dynamic quantum phase transitions in photonic quantum walks

Kunkun Wang, Xingze Qiu, Lei Xiao +4

Signaled by non-analyticities in the time evolution of physical observables, dynamic quantum phase transitions (DQPTs) emerge in quench dynamics of topological systems and possess…