Ya. V. Fominov, A. A. Golubov, M. Yu. Kupriyanov, “Decoherence due to nodal quasiparticles in $d$-wave qubits”, Pis'ma v Zh. Èksper. Teoret. Fiz., 77:10 (2003), 691–695; JETP Letters, 77:10 (2003), 587

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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2003, Volume 77, Issue 10, Pages 691–695 (Mi jetpl2827)

This article is cited in 51 scientific papers (total in 51 papers)

Decoherence due to nodal quasiparticles in

d

$d$ -wave qubits

Ya. V. Fominov^ab, A. A. Golubov^a, M. Yu. Kupriyanov^c

^a Department of Applied Physics, University of Twente
^b L. D. Landau Institute for Theoretical Physics, Russian Academy of Sciences
^c Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University

Full-text PDF (219 kB) Citations (51)

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Abstract: We study the Josephson junction between two

d

$d$ -wave superconductors, which is discussed as an implementation of a qubit. We propose an approach that allows 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.

Received: 21.04.2003

English version:
Journal of Experimental and Theoretical Physics Letters, 2003, Volume 77, Issue 10, Pages 587–591
DOI: https://doi.org/10.1134/1.1595702

Bibliographic databases:

Document Type: Article

PACS: 73.23.-b, 74.50.+r, 85.25.-j

Language: English

Citation: Ya. V. Fominov, A. A. Golubov, M. Yu. Kupriyanov, “Decoherence due to nodal quasiparticles in

d

$d$ -wave qubits”, Pis'ma v Zh. Èksper. Teoret. Fiz., 77:10 (2003), 691–695; JETP Letters, 77:10 (2003), 587–591

Citation in format AMSBIB

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\paper Decoherence due to nodal quasiparticles in $d$-wave qubits

\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.

\yr 2003

\vol 77

\issue 10

\pages 691--695

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\transl

\jour JETP Letters

\yr 2003

\vol 77

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\pages 587--591

\crossref{https://doi.org/10.1134/1.1595702}

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Linking options:

https://www.mathnet.ru/eng/jetpl2827

https://www.mathnet.ru/eng/jetpl/v77/i10/p691

This publication is cited in the following 51 articles:

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Davide Massarotti, Francesco Tafuri, Springer Series in Materials Science, 286, Fundamentals and Frontiers of the Josephson Effect, 2019, 455
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D. Massarotti, L. Longobardi, L. Galletti, D. Stornaiuolo, D. Montemurro, G. Pepe, G. Rotoli, A. Barone, F. Tafuri, Low Temperature Physics, 38:4 (2012), 263
A M Zagoskin, J. Opt., 14:11 (2012), 114011
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D. V. Khveshchenko, R. Crooks, Phys. Rev. B, 84:13 (2011)
Shiro Kawabata, Hiromi Kashiwaya, Satoshi Kashiwaya, Physica C: Superconductivity and its Applications, 470 (2010), S848
Shiro Kawabata, Yasuhiro Asano, Yukio Tanaka, Alexander A. Golubov, Satoshi Kashiwaya, Phys. Rev. Lett., 104:11 (2010)
Antonio Barone, Floriana Lombardi, Francesco Tafuri, NanoScience and Technology, Nanoscience and Engineering in Superconductivity, 2010, 105
Shiro Kawabata, Yasuhiro Asano, Low Temperature Physics, 36:10 (2010), 915
D. Stornaiuolo, G. Rotoli, K. Cedergren, D. Born, T. Bauch, F. Lombardi, F. Tafuri, Journal of Applied Physics, 107:11 (2010)
A. Barone, F. Lombardi, G. Rotoli, F. Tafuri, Low Temperature Physics, 36:10 (2010), 876
Shiro Kawabata, Satoshi Kashiwaya, Yukio Tanaka, Alexander A Golubov, Yasuhiro Asano, J. Phys.: Conf. Ser., 248 (2010), 012039
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H. Kashiwaya, T. Matsumoto, S. Kashiwaya, H. Shibata, H. Eisaki, Y. Yoshida, S. Kawabata, Y. Tanaka, Physica C: Superconductivity, 468:15-20 (2008), 1919
C. C. Tsuei, J. R. Kirtley, Superconductivity, 2008, 869
Hiromi Kashiwaya, Tetsuro Matsumoto, Hajime Shibata, Satoshi Kashiwaya, Hiroshi Eisaki, Yoshiyuki Yoshida, Shiro Kawabata, Yukio Tanaka, J. Phys. Soc. Jpn., 77:10 (2008), 104708

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