Title :
Inductance effects in the persistent current qubit
Author :
Crankshaw, Donald S. ; Orlando, Terry P.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA
fDate :
3/1/2001 12:00:00 AM
Abstract :
A general method is illustrated to show that the Hamiltonian for circuits of Josephson junctions can be expanded in terms of three Hamiltonians: a Hamiltonian representative of the inductance-free circuit, a Hamiltonian in the form of an harmonic oscillator for the inductance effects of the circulating currents, and a small correction term. This method is used to show that the inductive effects are a small correction to the difference in energy levels in the persistent current qubit
Keywords :
Josephson effect; SQUIDs; harmonic oscillators (circuits); inductance; Hamiltonian; Josephson junction; SQUID; energy levels; harmonic oscillator; inductance; persistent current qubit; quantum computing; superconducting circuit; Energy states; Inductance; Josephson junctions; Logic circuits; Oscillators; Persistent currents; Quantum computing; SQUIDs; Superconducting logic circuits; Telephony;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
