137 citations · 363 across the 5 of their papers we have counts for
10 papers · 1 filter
Chaos, entanglement and decoherence in the quantum kicked top
S. Ghose, R. Stock, P. S. Jessen +2
We analyze the interplay of chaos, entanglement and decoherence in a system of qubits whose collective behaviour is that of a quantum kicked top. The dynamical entanglement between…
Quantum control of the hyperfine-coupled electron and nuclear spins in alkali atoms
Seth T. Merkel, Poul S. Jessen, Ivan H. Deutsch
We study quantum control of the full hyperfine manifold in the ground-electronic state of alkali atoms based on applied radio frequency and microwave fields. Such interactions shou…
Quantum Control of the Hyperfine Spin of a Cs Atom Ensemble
Souma Chaudhury, Seth Merkel, Tobias Herr +3
We demonstrate quantum control of a large spin-angular momentum associated with the F=3 hyperfine ground state of 133Cs. A combination of time dependent magnetic fields and a stati…
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…
A Continuous Non-demolition Measurement of the Cs Clock Transition Pseudo-spin
Souma Chaudhury, Greg A. Smith, Kevin Schulz +1
We demonstrate a weak continuous measurement of the pseudo-spin associated with the clock transition in a sample of Cs atoms. Our scheme uses an optical probe tuned near the D1 tra…
Quantum state reconstruction via continuous measurement
Andrew Silberfarb, Poul S. Jessen, Ivan H. Deutsch
We present a new procedure for quantum state reconstruction based on weak continuous measurement of an ensemble average. By applying controlled evolution to the initial state new i…