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- Center for NanoScienceDE179 papers
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8 papers · 2 filters
Highly-efficient state-selective sub-microsecond photoionization detection of single atoms
Florian Henkel, Michael Krug, Julian Hofmann +3
We experimentally demonstrate a detection scheme suitable for state analysis of single optically trapped atoms in less than 1 μs with an overall detection efficiency η exceeding 98…
Inertial and gravitational mass in quantum mechanics
E. Kajari, N. L. Harshman, E. M. Rasel +3
We show that in complete agreement with classical mechanics, the dynamics of any quantum mechanical wave packet in a linear gravitational potential involves the gravitational and t…
Entanglement dynamics in open two-qubit systems via diffusive quantum trajectories
Carlos Viviescas, Ivonne Guevara, André R. R. Carvalho +2
We use quantum diffusive trajectories to prove that the time evolution of two-qubit entanglement under spontaneous emission can be fully characterized by optimal continuous monitor…
Permutationally invariant quantum tomography
Geza Toth, Witlef Wieczorek, David Gross +3
We present a scalable method for the tomography of large multiqubit quantum registers. It acquires information about the permutationally invariant part of the density operator, whi…
Non-classicality thresholds for multiqubit states - numerical analysis
Jacek Gruca, Wieslaw Laskowski, Marek Zukowski +4
States that strongly violate Bell's inequalities are required in many quantum informational protocols as, for example, in cryptography, secret sharing and the reduction of communic…
Stochastic simulation algorithm for the quantum linear Boltzmann equation
Marc Busse, Piotr Pietrulewicz, Heinz-Peter Breuer +1
We develop a Monte Carlo wave function algorithm for the quantum linear Boltzmann equation, a Markovian master equation describing the quantum motion of a test particle interacting…