Many-body Rabi oscillations of Rydberg excitation in small mesoscopic samples

Abstract

We investigate the collective aspects of Rydberg excitation in ultracold mesoscopic systems. Strong interactions between Rydberg atoms influence the excitation process and impose correlations between excited atoms. The manifestations of the collective behavior of Rydberg excitation are the many-body Rabi oscillations, spatial correlations between atoms as well as the fluctuations of the number of excited atoms. We study these phenomena in detail by numerically solving the many-body Schrëdinger equation.

8 pages, 5 figures

References in corpus (7)

• Observation of Rydberg blockade between two atoms
• Observation of collective excitation of two individual atoms in the Rydberg blockade regime
• Rabi flopping between ground and Rydberg states with dipole-dipole atomic interactions
• Spatially resolved observation of dipole-dipole interaction between Rydberg atoms
• Many-body theory of excitation dynamics in an ultracold Rydberg gas
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• Long-range potentials and $(n-1)d+ns$ molecular resonances in an ultracold rydberg gas

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• Collective and single-particle excitations in 2D dipolar Bose gases
• Coherence in a cold atom photon transistor
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• Simulated quantum process tomography of quantum gates with Rydberg superatoms
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• Two-dimensional crystals of Rydberg excitations in a resonantly driven lattice gas
• Onset of non-Gaussian quantum physics in pulsed squeezing with mesoscopic fields
• Quantum optical non-linearities induced by Rydberg-Rydberg interactions: a perturbative approach
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• Dynamics and equilibration of Rydberg excitations in dissipative atomic ensembles
• Filtering single atoms from Rydberg blockaded mesoscopic ensembles
• Rydberg excitation of a Bose-Einstein condensate
• Quantum dynamics of long-range interacting systems using the positive-P and gauge-P representations
• Jaynes-Cummings dynamics in mesoscopic ensembles of Rydberg-blockaded atoms
• Depletion Imaging of Rydberg atoms in cold atomic gases
• Anomalous excitation enhancement with Rydberg-dressed atoms
• Properties of collective Rabi oscillations with two Rydberg atoms
• Size-Reduction of Rydberg collective excited states in cold atomic system
• Deterministic entanglement generation between a pair of atoms on different Rydberg states via chirped adiabatic passage
• Deterministic facilitated excitation of the weakly-driven atom in heteronuclear Rydberg atom pairs beyond antiblockade