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- Center for Integrated Quantum Science and TechnologyDE303 papers
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13 papers · 2 filters
Endoscopic Tomography and Quantum-Non-Demolition
Mauro Fortunato, Paolo Tombesi, Wolfgang P. Schleich
We propose to measure the quantum state of a single mode of the radiation field in a cavity---the signal field---by coupling it via a quantum-non-demolition Hamiltonian to a meter…
A semiclassical approach to the Dirac equation
Jens Bolte, Stefan Keppeler
We derive a semiclassical time evolution kernel and a trace formula for the Dirac equation. The classical trajectories that enter the expressions are determined by the dynamics of…
Control of dynamical localization by an additional quantum degree of freedom
K. Riedel, P. Torma, V. Savichev +1
We identify a new parameter that controls the localization length in a driven quantum system. This parameter results from an additional quantum degree of freedom. The center-of-mas…
Trapping state restoration in the randomly-driven Jaynes-Cummings model by conditional measurements
Mauro Fortunato, Gershon Kurizki, Wolfgang P. Schleich
We propose a scheme which can effectively restore fixed points in the quantum dynamics of repeated Jaynes-Cummings interactions followed by atomic state measurements, when the inte…
The Fermi accelerator in atom optics
Farhan Saif, Iwo Bialynicki-Birula, Mauro Fortunato +1
We study the classical and quantum dynamics of a Fermi accelerator realized by an atom bouncing off a modulated atomic mirror. We find that in a window of the modulation amplitude…
Quantum-Non-Demolition Endoscopic Tomography
Mauro Fortunato, Paolo Tombesi, Wolfgang P. Schleich
We present a new indirect method to measure the quantum state of a single mode of the electromagnetic field in a cavity. Our proposal combines the idea of (endoscopic) probing and…