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6 papers · 2 filters
Teleportation of qubit states through dissipative channels: Conditions for surpassing the no-cloning limit
Sahin Kaya Ozdemir, Karol Bartkiewicz, Yu-xi Liu +1
We investigate quantum teleportation through dissipative channels and calculate teleportation fidelity as a function of damping rates. It is found that the average fidelity of tele…
Detecting mode entanglement: The role of coherent states, superselection rules and particle statistics
S. Ashhab, Koji Maruyama, Franco Nori
We discuss the possibility of observing quantum nonlocality using the so-called mode entanglement, analyzing the differences between different types of particles in this context. W…
Semiclassical Dynamics of Electron Wave Packet States with Phase Vortices
K. Yu. Bliokh, Yu. P. Bliokh, S. Savel'ev +1
We consider semiclassical higher-order wave packet solutions of the Schrodinger equation with phase vortices. The vortex line is aligned with the propagation direction, and the wav…
Quantum Entanglement and Teleportation of Quantum-Dot States in Microcavities
A. Miranowicz, S. K. Ozdemir, Yu-xi Liu +3
Generation and control of quantum entanglement are studied in an equivalent-neighbor system of spatially-separated semiconductor quantum dots coupled by a single-mode cavity field.…
Two-level systems driven by large-amplitude fields
S. Ashhab, J. R. Johansson, A. M. Zagoskin +1
We analyze the dynamics of a two-level system subject to driving by large-amplitude external fields, focusing on the resonance properties in the case of driving around the region o…
Two-Mode Squeezed States and Entangled States of Two Mechanical Resonators
Fei Xue, Yu-xi Liu, C. P. Sun +1
We study a device consisting of a dc-SQUID with two sections of its loop acting as two mechanical resonators. An analog of the parametric down-conversion process in quantum optics…