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11 papers · 2 filters
Self ordering and superradiant backscattering of a gaseous beam in a ring cavity with counter propagating pump
C. Maes, J. Asboth, H. Ritsch
We study the threshold conditions of spatial self organization combined with collective coherent optical backscattering of a thermal gaseous beam moving in a high Q ring cavity wit…
Quantum superchemistry in an output coupler of coherent matter waves
Hui Jing, Jing Cheng
We investigate the quantum superchemistry or Bose-enhanced atom-molecule conversions in a coherent output coupler of matter waves, as a simple generalization of the two-color photo…
Information-theoretic significance of the Wigner distribution
B. Roy Frieden, Bernard H. Soffer
A coarse grained Wigner distribution p_{W}(x,u) obeying positivity derives out of information-theoretic considerations. Let p(x,u) be the unknown joint PDF (probability density fun…
Coherent Acceleration of Material Wavepackets
Farhan Saif, Pierre Meystre
We study the quantum dynamics of a material wavepacket bouncing off a modulated atomic mirror in the presence of a gravitational field. We find the occurrence of coherent accelerat…
Efficient Quantum State Estimation by Continuous Weak Measurement and Dynamical Control
Greg A. Smith, Andrew Silberfarb, Ivan H. Deutsch +1
We demonstrate a fast, robust and non-destructive protocol for quantum state estimation based on continuous weak measurement in the presence of a controlled dynamical evolution. Ou…
The Super-Strong Coupling Regime of Cavity Quantum Electrodynamics
D. Meiser, P. Meystre
We describe a qualitatively new regime of cavity quantum electrodynamics, the super strong coupling regime. This regime is characterized by atom-field coupling strengths of the ord…