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Physical Review Letters, volume 95, issue 9, publication number 097001

SuperconductingπQubit with a Ferromagnetic Josephson Junction

Publication typeJournal Article
Publication date2005-08-22
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
Solid-state qubits have the potential for the large-scale integration and for the flexibility of layout for quantum computing. However, their short decoherence time due to the coupling to the environment remains an important problem to be overcome. We propose a new superconducting qubit which incorporates a spin-electronic device: the qubit consists of a superconducting ring with a ferromagnetic pi junction which has a metallic contact and a normal Josephson junction with an insulating barrier. Thus, a quantum coherent two-level state is formed without an external magnetic field. This feature and the simple structure of the qubit make it possible to reduce its size leading to a long decoherence time.

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GOST Copy
Yamashita T. et al. SuperconductingπQubit with a Ferromagnetic Josephson Junction // Physical Review Letters. 2005. Vol. 95. No. 9. 097001
GOST all authors (up to 50) Copy
Yamashita T., Tanikawa K., Takahashi S., MAEKAWA S., Maekawa S. SuperconductingπQubit with a Ferromagnetic Josephson Junction // Physical Review Letters. 2005. Vol. 95. No. 9. 097001
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.95.097001
UR - https://doi.org/10.1103/PhysRevLett.95.097001
TI - SuperconductingπQubit with a Ferromagnetic Josephson Junction
T2 - Physical Review Letters
AU - Yamashita, T.
AU - Tanikawa, K.
AU - Takahashi, S.
AU - MAEKAWA, S.
AU - Maekawa, Sadamichi
PY - 2005
DA - 2005/08/22
PB - American Physical Society (APS)
IS - 9
VL - 95
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex Copy
@article{2005_Yamashita,
author = {T. Yamashita and K. Tanikawa and S. Takahashi and S. MAEKAWA and Sadamichi Maekawa},
title = {SuperconductingπQubit with a Ferromagnetic Josephson Junction},
journal = {Physical Review Letters},
year = {2005},
volume = {95},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103/PhysRevLett.95.097001},
number = {9},
doi = {10.1103/PhysRevLett.95.097001}
}
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