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32 papers · 2 filters
Role of interference and entanglement in quantum neural processing
A. A. Ezhov
The role of interference and entanglement in quantum neural processing is discussed. It is argued that on contrast to the quantum computing the problem of the use of exponential re…
Coherent States for Unusual Potentials
Michael Martin Nieto
The program to construct minimum-uncertainty coherent states for general potentials works transparently with solvable analytic potentials. However, when an analytic potential is no…
A Raman approach to quantum logic in Calcium-like ions
Mark S. Gulley, Andrew G. White, Daniel F. V. James
We consider the feasibility of performing quantum logic operations based on stimulated Raman transitions in trapped Calcium ions. This technique avoids many of the technical diffic…
The quantum dynamics of two coupled qubits
G. J. Milburn, R. Laflamme, B. C. Sanders +1
We investigate the difference between classical and quantum dynamics of coupled magnetic dipoles. We prove that in general the dynamics of the classical interaction Hamiltonian dif…
On Quantum Control via Encoded Dynamical Decoupling
Lorenza Viola
I revisit the ideas underlying dynamical decoupling methods within the framework of quantum information processing, and examine their potential for direct implementations in terms…
Implementation of Universal Control on a Decoherence-Free Qubit
Evan M. Fortunato, Lorenza Viola, Jonathan Hodges +2
We demonstrate storage and manipulation of one qubit encoded into a decoherence-free subspace (DFS) of two nuclear spins using liquid state nuclear magnetic resonance (NMR) techniq…