Citation
Mv. Feigel'Man et al., Andreev spectroscopy for superconducting phase qubits, J L TEMP PH, 118(5-6), 2000, pp. 805-816
Citations number
25
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF LOW TEMPERATURE PHYSICS
ISSN journal
00222291
→ ACNP
Volume
118
Issue
5-6
Year of publication
2000
Pages
805 - 816
Database
ISI
SICI code
0022-2291(200003)118:5-6<805:ASFSPQ>2.0.ZU;2-Y
Abstract
We propose a new method to measure the coherence time of superconducting ph
ase qubits based on the analysis of the magnetic-field dependent de nonline
ar Andreev current across a high-resistance tunnel contact between the qubi
t and a dirty metal wire and derive a quantitative relation between the sub
gap I-V characteristic and the internal correlation function of the qubit.