Controlling symmetry and localization with an artificial gauge field in a disordered quantum system

Abstract

Anderson localization, the absence of diffusion in disordered media, draws its origins from the destructive interference between multiple scattering paths. The localization properties of disordered systems are expected to be dramatically sensitive to their symmetry characteristics. So far however, this question has been little explored experimentally. Here, we investigate the realization of an artificial gauge field in a synthetic (temporal) dimension of a disordered, periodically-driven (Floquet) quantum system. Tuning the strength of this gauge field allows us to control the time-reversal symmetry properties of the system, which we probe through the experimental observation of three symmetry-sensitive `smoking-gun' signatures of localization. The first two are the coherent backscattering, marker of weak localization, and the coherent forward scattering, genuine interferential signature of Anderson localization, observed here for the first time. The third is the direct measurement of the $\beta (g)$ scaling function in two different symmetry classes, allowing to demonstrate its universality and the one-parameter scaling hypothesis.

References in corpus (8)

• A Bose-Einstein Condensate in a Uniform Light-induced Vector Potential
• Coherent Backscattering of Ultracold Atoms
• Coherent Forward Scattering Peak Induced by Anderson Localization
• Coherent forward scattering in 2D disordered systems
• Dynamics of localized waves in 1D random potentials: statistical theory of the coherent forward scattering peak
• Coherent back and forward scattering peaks in the quantum kicked rotor
• Echo spectroscopy of Anderson localization
• Spectral correlations in Anderson insulating wires

Cited by in corpus (35)

• Engineering a flux-dependent mobility edge in disordered zigzag chains
• Dynamics of the mean-field interacting quantum kicked rotor
• Observation of the Quantum Boomerang Effect
• Elastic Scattering Time of Matter-Waves in Disordered Potentials
• Ratchet Effect in the Quantum Kicked Rotor and its Destruction by Dynamical Localization
• Anderson localization in dissipative lattices
• Coherent multiple scattering of out-of-equilibrium interacting Bose gases
• Experimental observation of time singularity in classical-to-quantum chaos transition
• Coherence and decoherence in the Harper-Hofstadter model
• Effective thermalization of a many-body dynamically localized Bose gas
• Multifractality of the kicked rotor at the critical point of the Anderson transition
• Experimental realization of an ideal Floquet disordered system
• Dynamical localization of interacting bosons in the few-body limit
• Invariance principle for wave propagation inside inhomogeneously disordered materials
• Many-body localization with synthetic gauge fields in disordered Hubbard chains
• Escaping many-body localization in an exact eigenstate
• Magnetic field effects on one-dimensional Anderson localization of light
• Coherent forward scattering as a robust probe of multifractality in critical disordered media
• Coherent Forward Scattering Peak and Multifractality
• Self-duality triggered dynamical transition
• Subdiffusion in wave packets with periodically kicked interactions
• Time evolution of coherent wave propagation and spin relaxation in spin-orbit coupled systems
• Low-energy prethermal phase and crossover to thermalization in nonlinear kicked rotors
• Engineering Hierarchical Symmetries
• Localization properties of the asymptotic density distribution of a one-dimensional disordered system
• Berezinskii approach to disordered spin systems with asymmetric scattering and application to the quantum boomerang effect
• Interaction induced Anderson transition in a kicked one dimensional Bose gas
• On the different Floquet Hamiltonians in a periodic-driven Bose-Josephson junction
• Quantum transport in a combined kicked rotor and quantum walk system
• From percolation transition to Anderson localization in one-dimensional speckle potentials
• Mesoscopic scattering dynamics under generic uniform SU(2) gauge fields: Spin-momentum relaxation and coherent backscattering
• Engineering Anderson Localization in Arbitrary Dimensions with Interacting Quasiperiodic Kicked Bosons
• Bichromatic state-dependent disordered potential for Anderson localization of ultracold atoms
• Momentum Signatures of Site Percolation in Disordered 2D Ferromagnets
• Breaking of reciprocity and the Pancharatnam-Berry phase for light scattered by a disordered cold atom cloud