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- Helsinki Institute of PhysicsFI14 papers
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- Landau Institute for Theoretical PhysicsRU6 papers
- Centre National de la Recherche ScientifiqueFR5 papers
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5 papers · 2 filters
On the stability of quantum holonomic gates
P Solinas, M Sassetti, P Truini +1
We provide a unified geometrical description for analyzing the stability of holonomic quantum gates in the presence of imprecise driving controls (parametric noise). We consider th…
Quantum effect of inductance on geometric Cooper-pair transport
J. Salmilehto, M. Möttönen
We introduce a model for a flux-assisted Cooper-pair pump, the sluice, which is used to study geometric charge transport. Our model allows for a nonvanishing loop inductance going…
Geometric Phase Gates with Adiabatic Control in Electron Spin Resonance
Hua Wu, Erik M. Gauger, Richard E. George +8
High-fidelity quantum operations are a key requirement for fault-tolerant quantum information processing. In electron spin resonance, manipulation of the quantum spin is usually ac…
Nonlocal appearance of a macroscopic angular momentum
G. S. Paraoanu, R. Healey
We discuss a type of measurement in which a macroscopically large angular momentum (spin) is "created" nonlocally by the measurement of just a few atoms from a double Fock state. T…
Work and its fluctuations in a driven quantum system
Paolo Solinas, Dmitri V. Averin, Jukka P. Pekola
We analyze work done on a quantum system driven by a control field. The average work depends on the whole dynamics of the system, and is obtained as the integral of the average pow…