Coherent spin-phonon scattering in facilitated Rydberg lattices

Abstract

We investigate the dynamics of a spin system with facilitation constraint that can be studied using Rydberg atoms in arrays of optical tweezer traps. The elementary degrees of freedom of the system are domains of Rydberg excitations that expand ballistically through the lattice. Due to mechanical forces, Rydberg excited atoms are coupled to vibrations within their traps. At zero temperature and large trap depth, it is known that virtually excited lattice vibrations only renormalize the timescale of the ballistic propagation. However, when vibrational excitations are initially present -- i.e., when the external motion of the atoms is prepared in an excited Fock state, coherent state or thermal state -- resonant scattering between spin domain walls and phonons takes place. This coherent and deterministic process, which is free from disorder, leads to a reduction of the power-law exponent characterizing the expansion of spin domains. Furthermore, the spin domain dynamics is sensitive to the coherence properties of the atoms' vibrational state, such as the relative phase of coherently superimposed Fock states. Even for a translationally invariant initial state the latter manifests macroscopically in a phase-sensitive asymmetric expansion.

8+6 pages, 3 figures

References in corpus (34)

• Many-Body Physics with Individually-Controlled Rydberg Atoms
• Quantum Phases of Matter on a 256-Atom Programmable Quantum Simulator
• Classical simulation of infinite-size quantum lattice systems in one spatial dimension
• Matrix Product States and Projected Entangled Pair States: Concepts, Symmetries, and Theorems
• Quasiclassical calculations of BBR-induced depopulation rates and effective lifetimes of Rydberg nS, nP and nD alkali-metal atoms with n < 80
• Absence of diffusion in an interacting system of spinless fermions on a one-dimensional disordered lattice
• Spin transport in a one-dimensional anisotropic Heisenberg model
• Quantum simulation and computing with Rydberg-interacting qubits
• Kardar-Parisi-Zhang physics in the quantum Heisenberg magnet
• Quantum gas microscopy of Kardar-Parisi-Zhang superdiffusion
• Far-from-equilibrium spin transport in Heisenberg quantum magnets
• Ballistic transport in the one-dimensional Hubbard model: the hydrodynamic approach
• A concise review of Rydberg atom based quantum computation and quantum simulation
• Dynamics in many-body localized quantum systems without disorder
• Thermal diffusivity and chaos in metals without quasiparticles
• Detection of Kardar-Parisi-Zhang hydrodynamics in a quantum Heisenberg spin-$1/2$ chain
• Observing emergent hydrodynamics in a long-range quantum magnet
• High-fidelity Rydberg quantum gate via a two-atom dark state
• Localization phenomena in interacting Rydberg lattice gases with position disorder
• Quantum Computing with Circular Rydberg Atoms
• Kardar-Parisi-Zhang universality from soft gauge modes
• Anomalous hydrodynamics in a class of scarred frustration-free Hamiltonians
• Real-time broadening of non-equilibrium density profiles and the role of the specific initial-state realization
• Photon recoil and laser focusing limits to Rydberg gate fidelity
• Superdiffusive Energy Transport in Kinetically Constrained Models
• Exploring the many-body dynamics near a conical intersection with trapped Rydberg ions
• Emergent Bloch oscillations in a kinetically constrained Rydberg spin lattice
• Black-body radiation induced facilitated excitation of Rydberg atoms in optical tweezers
• Logarithmic, noise-induced dynamics in the Anderson insulator
• Localization and criticality in antiblockaded 2D Rydberg atom arrays
• Spin-motion coupling in a circular Rydberg state quantum simulator: case of two atoms
• Slow dynamics of a mobile impurity interacting with an Anderson insulator
• Freezing transition in particle-conserving East model
• Phonon-assisted coherent transport of excitations in Rydberg-dressed atom arrays

Cited by in corpus (7)

• Ultra-precise holographic optical tweezers array
• Avalanche terahertz photon detection in a Rydberg tweezer array
• Emergent disorder and sub-ballistic dynamics in quantum simulations of the Ising model using Rydberg atom arrays
• Space-time correlations in monitored kinetically constrained discrete-time quantum dynamics
• String breaking dynamics in Ising chain with local vibrations
• Resonant dynamics of spin cluster in a periodically driven one-dimensional Rydberg lattice
• Dynamics of antiferromagnetic Dimers in Rydberg Atom Chains