Quantum mechanical calculation of Rydberg-Rydberg autoionization rates

Abstract

We present quantum mechanical calculations of Auger decay rates for two Rubidium Rydberg atoms with weakly overlapping electron clouds. We neglect exchange effects and consider tensor products of independent atom states forming an approximate basis of the two-electron state space. We consider large sets of two-atom states with randomly chosen quantum numbers and find that the charge overlap between the two Rydberg electrons allows one to characterise the magnitude of the Auger decay rates. If the electron clouds overlap by more than one percent, the Auger decay rates increase approximately exponentially with the charge overlap. This finding is independent of the energy of the initial state.

8 pages, 5 figures

References in corpus (8)

• Many-Body Physics with Ultracold Gases
• Quantum Simulation of Antiferromagnetic Spin Chains in an Optical Lattice
• Observation of mesoscopic crystalline structures in a two-dimensional Rydberg gas
• Quasiclassical calculations of BBR-induced depopulation rates and effective lifetimes of Rydberg nS, nP and nD alkali-metal atoms with n < 80
• Consequences of Zeeman Degeneracy for van der Waals Blockade between Rydberg Atoms
• Three-body bound states in dipole-dipole interacting Rydberg atoms
• Simulations of prompt many-body ionization in a frozen Rydberg gas
• Few-Body Bound States of Dipole-Dipole Interacting Rydberg Atoms

Cited by in corpus (5)

• ARC: An open-source library for calculating properties of alkali Rydberg atoms
• Fast Preparation and Detection of a Rydberg Qubit using Atomic Ensembles
• Ultrafast creation of overlapping Rydberg electrons in an atomic BEC and Mott-insulator lattice
• Topological spin models in Rydberg lattices
• Ultrafast many-body dynamics of dense Rydberg gases and ultracold plasma