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Topological edge modes without symmetry in quasiperiodically driven spin chains
Aaron J. Friedman, Brayden Ware, Romain Vasseur +1
We construct an example of a 1 quasiperiodically driven spin chain whose edge states can coherently store quantum information, protected by a combination of localization, dynami…
Superuniversality from disorder at two-dimensional topological phase transitions
Byungmin Kang, S. A. Parameswaran, Andrew C. Potter +2
We investigate the effects of quenched randomness on topological quantum phase transitions in strongly interacting two-dimensional systems. We focus first on transitions driven by…
QED driven QAOA for network-flow optimization
Yuxuan Zhang, Ruizhe Zhang, Andrew C. Potter
We present a general framework for modifying quantum approximate optimization algorithms (QAOA) to solve constrained network flow problems. By exploiting an analogy between flow co…
Holographic quantum algorithms for simulating correlated spin systems
Michael Foss-Feig, David Hayes, Joan M. Dreiling +5
We present a suite of "holographic" quantum algorithms for efficient ground-state preparation and dynamical evolution of correlated spin-systems, which require far-fewer qubits tha…
Fractal non-Fermi liquids from moiré-Hofstadter phonons
Ajesh Kumar, Zihan Cheng, Andrew C. Potter
We theoretically explore 2d moiré heterostructures in lattice-commensurate magnetic fields as platforms for quantum simulation of a paradigmatic model of non-Fermi liquid physics:…
Quantum Hall network models as Floquet topological insulators
Andrew C. Potter, J. T. Chalker, Victor Gurarie
Network models for equilibrium integer quantum Hall (IQH) transitions are described by unitary scattering matrices, that can also be viewed as representing non-equilibrium Floquet…