Decoherence due to nodal quasiparticles in d-wave qubits
Тип публикации: Journal Article
Дата публикации: 2003-05-01
scimago Q3
wos Q3
БС1
SJR: 0.312
CiteScore: 2.3
Impact factor: 1.3
ISSN: 00213640, 10906487
Physics and Astronomy (miscellaneous)
Краткое описание
We study the Josephson junction between two d-wave superconductors, which is discussed as an implementation of a qubit. We propose an approach to calculate the decoherence time due to an intrinsic dissipative process: quantum tunneling between the two minima of the double-well potential excites nodal quasiparticles, which lead to incoherent damping of quantum oscillations. The decoherence is weakest in the mirror junction, where the contribution of nodal quasiparticles corresponds to the superohmic dissipation and becomes small at small tunnel splitting of the energy level in the double-well potential. For available experimental data, we estimate the quality factor.
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Fominov Ya. V. et al. Decoherence due to nodal quasiparticles in d-wave qubits // JETP Letters. 2003. Vol. 77. No. 10. pp. 587-591.
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Fominov Ya. V., Golubov A. A., Kupriyanov M. Yu. Decoherence due to nodal quasiparticles in d-wave qubits // JETP Letters. 2003. Vol. 77. No. 10. pp. 587-591.
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TY - JOUR
DO - 10.1134/1.1595702
UR - https://doi.org/10.1134/1.1595702
TI - Decoherence due to nodal quasiparticles in d-wave qubits
T2 - JETP Letters
AU - Fominov, Ya V
AU - Golubov, A. A.
AU - Kupriyanov, M Yu
PY - 2003
DA - 2003/05/01
PB - Pleiades Publishing
SP - 587-591
IS - 10
VL - 77
SN - 0021-3640
SN - 1090-6487
ER -
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BibTex (до 50 авторов)
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@article{2003_Fominov,
author = {Ya V Fominov and A. A. Golubov and M Yu Kupriyanov},
title = {Decoherence due to nodal quasiparticles in d-wave qubits},
journal = {JETP Letters},
year = {2003},
volume = {77},
publisher = {Pleiades Publishing},
month = {may},
url = {https://doi.org/10.1134/1.1595702},
number = {10},
pages = {587--591},
doi = {10.1134/1.1595702}
}
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MLA
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Fominov, Ya. V., et al. “Decoherence due to nodal quasiparticles in d-wave qubits.” JETP Letters, vol. 77, no. 10, May. 2003, pp. 587-591. https://doi.org/10.1134/1.1595702.