Abstract
Even-odd asymmetry was studied in a one-dimensional (1D) superconducting wire. Results showed that by creating a π soliton (kink) of the order parameter the 1D superconductor can lower its energy level with an odd number of electrons. If it is closed in a ring the phase difference on the two sides of the soliton will generate a supercurrent which is detectable by a SQUID. The two degenerate states with current flowing clockwise or counterclockwise can be utilized as a qubit.
Original language | English (US) |
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Article number | 017002 |
Pages (from-to) | 170021-170024 |
Number of pages | 4 |
Journal | Physical review letters |
Volume | 89 |
Issue number | 1 |
DOIs | |
State | Published - Jul 1 2002 |
Externally published | Yes |
ASJC Scopus subject areas
- General Physics and Astronomy