Extended coherently delocalized states in a frozen Rydberg gas

Abstract

The long-range dipole-dipole interaction can create delocalized states due to the exchange of excitation between Rydberg atoms. We show that even in a random gas many of the single-exciton eigenstates are surprisingly delocalized, composed of roughly one quarter of the participating atoms. We identify two different types of eigenstates: one which stems from strongly-interacting clusters, resulting in localized states, and one which extends over large delocalized networks of atoms. These two types of states can be excited and distinguished by appropriately tuned microwave pulses, and their relative contributions can be modified by the Rydberg blockade and the choice of microwave parameters.

References in corpus (24)

• Quantum information with Rydberg atoms
• Quantifying Coherence
• Probing many-body dynamics on a 51-atom quantum simulator
• Dipole Blockade and Quantum Information Processing in Mesoscopic Atomic Ensembles
• Fast quantum gates for neutral atoms
• Observation of Rydberg blockade between two atoms
• Observation of collective excitation of two individual atoms in the Rydberg blockade regime
• Local Blockade of Rydberg Excitation in an Ultracold Gas
• Synthetic three-dimensional atomic structures assembled atom by atom
• Coherent Excitation Transfer in a Spin Chain of Three Rydberg Atoms
• Experimental investigations of the dipolar interactions between single Rydberg atoms
• An experimental and theoretical guide to strongly interacting Rydberg gases
• Defect-free assembly of 2D clusters of more than 100 single-atom quantum systems
• Macrodimers: ultralong range Rydberg molecules
• Non-Hermitian Euclidean random matrix theory
• Eigenvalue distributions of large Euclidean random matrices for waves in random media
• Quantum gas microscopy of Rydberg macrodimers
• Motion of Rydberg atoms induced by resonant dipole-dipole interactions
• Efficient isolation of multiphoton processes and detection of collective states in dilute samples
• Conical intersections in an ultracold gas
• Observation of Rydberg-atom macrodimers: micrometer-sized diatomic molecules
• The Spectral Backbone of Excitation Transport in Ultra-Cold Rydberg Gases
• Adiabatic entanglement transport in Rydberg aggregates
• Probing weak dipole-dipole interaction using phase-modulated non-linear spectroscopy

Cited by in corpus (10)

• Scalable $W$-type entanglement resource in neutral-atom arrays with Rydberg-dressed resonant dipole-dipole interaction
• Quantum Phases from Competing Van der Waals and Dipole-Dipole Interactions of Rydberg Atoms
• Experimental realization of a 3D long-range random hopping model
• Excitation dynamics in polyacene molecules on rare-gas clusters
• Single-particle localization in a two-dimensional Rydberg spin system
• Quantum Many-Body Scars in Few-Body Dipole-Dipole Interactions
• Delocalization in two and three-dimensional Rydberg gases
• Coherently delocalized states in dipole interacting Rydberg ensembles: the role of internal degeneracies
• Electrical, thermal and thermoelectric transport in open long-range Kitaev chain
• Quantum criticality and factorization in a constrained Rydberg spin chain