Dipole blockade in a cold Rydberg atomic sample
arXiv:1006.0742 · doi:10.1364/JOSAB.27.00A208
Abstract
We review here the studies performed about interactions in an assembly of cold Rydberg atoms. We focus more specially the review on the dipole-dipole interactions and on the effect of the dipole blockade in the laser Rydberg excitation, which offers attractive possibilities for quantum engineering. We present first the various interactions between Rydberg atoms. The laser Rydberg excitation of such an assembly is then described with the introduction of the dipole blockade phenomenon. We report recent experiments performed in this subject by starting with the case of a pair of atoms allowing the entanglement of the wave-functions of the atoms and opening a fascinating way for the realization of quantum bits and quantum gates. We consider then several works on the blockade effect in a large assembly of atoms for three different configurations: blockade through electric-field induced dipole, through Förster resonance and in van der Waals interaction. The properties of coherence and cooperativity are analyzed. Finally, we treat the role of dipole-dipole interactions between Rydberg atoms responsible for Penning ionization. The perturbation of the dipole blockade by ions and the evolution of the Rydberg towards an ultracold plasma are discussed.
Similar (without Appendix) article have been published in JOSA B, 27, A208 (2010)
References in corpus (35)
- Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
- Observation of dipole-dipole interaction in a degenerate quantum gas
- Stabilizing a purely dipolar quantum gas against collapse
- Quasiclassical calculations of BBR-induced depopulation rates and effective lifetimes of Rydberg nS, nP and nD alkali-metal atoms with n < 80
- Evidence for coherent collective Rydberg excitation in the strong blockade regime
- Consequences of Zeeman Degeneracy for van der Waals Blockade between Rydberg Atoms
- Quantum critical behavior in strongly interacting Rydberg gases
- Rydberg excitation of Bose-Einstein condensates
- Ultracold Neutral Plasmas
- Electric-field induced dipole blockade with Rydberg atoms
- Spatially resolved observation of dipole-dipole interaction between Rydberg atoms
- Spectroscopic observation of resonant electric dipole-dipole interactions between cold Rydberg atoms
- Many-body theory of excitation dynamics in an ultracold Rydberg gas
- Trapped Rydberg Ions: From Spin Chains to Fast Quantum Gates
- Scalable designs for quantum computing with rare-earth-ion-doped crystals
- Electromagnetically induced transparency of an interacting cold Rydberg ensemble
- Modeling many-particle mechanical effects of an interacting Rydberg gas
- Motion of Rydberg atoms induced by resonant dipole-dipole interactions
- Investigation of dephasing rates in an interacting Rydberg gas
- Applicability of Rydberg atoms to quantum computers
- Dynamics of Low-Density Ultracold Rydberg Gases
- Experimental verification of minima in excited long-range Rydberg states of Rb_2
- Kinetic Monte Carlo modelling of dipole blockade in Rydberg excitation experiment
- Rabi oscillations between ground and Rydberg states and van der Waals blockade in a mesoscopic frozen Rydberg gas
- Spectral Line Width Broadening from Pair Fluctuation in a Frozen Rydberg Gas
- Super- and subradiant emission of two-level systems in the near-Dicke limit
- Investigation of cold Rb Rydberg atoms in a magneto-optical trap
- Effect of finite detection efficiency on the observation of the dipole-dipole interaction of a few Rydberg atoms
- One-dimensional Rydberg Gas in a Magnetoelectric Trap
- Dipole-dipole interaction between orthogonal dipole moments in time-dependent geometries
- ac electric-field-induced resonant energy transfer between cold Rydberg atoms
- Ultra-large Rydberg dimers in optical lattices
- Correlation in superradiance: A closed-form approach to cooperative effects
- Mesoscopic phases of dipolar ensembles with polar molecules and Rydberg atoms
- Superradiance in ultracold Rydberg gases