Comment on “Nongeometric Conditional Phase Shift via Adiabatic Evolution of Dark Eigenstates: A New Approach to Quantum Computation”

A Comment on the Letter by Shi-Biao Zheng, Phys. Rev. Lett. 95, 080502 (2005). The authors of the Letter offer a Reply.

Breakdown of the dipole blockade with a zero-area phase-jump pulse

We theoretically investigate the effect of a zero-area pulse on the excitations of interacting Rydberg atoms. The unexpected breakdown of dipole blockade occurs in the strong Rydberg blockade regime, ...

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