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- Title
Preparation of Schrödinger cat states of a cavity field via coupling to a superconducting charge qubit.
- Authors
Freitas, Dagoberto S.; Nemes, M. C.
- Abstract
We extend the approach in Ref. 5 [Y.-X. Liu, L. F. Wei and F. Nori, Phys. Rev. A 71 (2005) 063820] for preparing superposition states of a cavity field interacting with a superconducting charge qubit. We study effects of the nonlinearity on the creation of such states. We show that the main contribution of nonlinear effects is to shorten the time necessary to build the superposition.
- Subjects
CHEMICAL preparations industry; SCHRODINGER equation; FIELD theory (Physics); SUPERCONDUCTORS; ELECTRIC charge; QUBITS
- Publication
Modern Physics Letters B, 2014, Vol 28, Issue 10, p-1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984914500821