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- Title
Pseudo-invariant Eigen-Operator for Deriving Energy-Level Gap for Quantum Bit in Quantum Circuit.
- Authors
Yong-Mei Liu; Ying-Hua Ji
- Abstract
Based on the method of pseudo invariant eigenoperator (PIEO), a fully quantum mechanical scheme is investigated for the coupling between a rf SQUID qubit and an off-resonance quantized single-mode electromagnetic field in the strong coupling regime. In order to derive the systematic energy-level gap obtained by the pseudo-invariant operator of the quantum system, we give operation props for corresponding quantum manipulation. In comparison with the solution of stationary Schrödinger equation, the PIEO method could be quite concise and effective to obtain energy-level gap for the given system.
- Subjects
ELECTROMAGNETIC fields; MAGNETIC fields; RESONANCE; ELECTRIC fields; ANALOG resonance
- Publication
International Journal of Theoretical Physics, 2010, Vol 49, Issue 7, p1580
- ISSN
0020-7748
- Publication type
Article
- DOI
10.1007/s10773-010-0340-3