메뉴 건너뛰기




Volumn 86, Issue 18, 2012, Pages

Decoherence of superconducting qubits caused by quasiparticle tunneling

Author keywords

[No Author keywords available]

Indexed keywords


EID: 84870231202     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.86.184514     Document Type: Article
Times cited : (102)

References (46)
  • 1
    • 0034357428 scopus 로고    scopus 로고
    • FPYKA6 0015-8208 10.1002/1521-3978 (200009)48:9/11<771:: AID-PROP771 3.0.CO;2-E
    • D. P. DiVincenzo, Fortschr. Phys. FPYKA6 0015-8208 10.1002/1521- 3978(200009)48:9/11<771::AID-PROP771 3.0.CO;2-E 48, 771 (2000).
    • (2000) Fortschr. Phys. , vol.48 , pp. 771
    • Divincenzo, D.P.1
  • 13
    • 24044543900 scopus 로고    scopus 로고
    • Implementing qubits with superconducting integrated circuits
    • DOI 10.1007/s11128-004-3101-5
    • M. H. Devoret and J. M. Martinis, Quantum Inf. Proc. 1570-0755 10.1007/s11128-004-3101-5 3, 163 (2004). (Pubitemid 41218547)
    • (2004) Quantum Information Processing , vol.3 , Issue.1-5 , pp. 163-203
    • Devoret, M.H.1    Martinis, J.M.2
  • 14
    • 84870197254 scopus 로고    scopus 로고
    • We will reintroduce the channel index where necessary, e.g., in Sec. .
    • We will reintroduce the channel index where necessary, e.g., in Sec..
  • 16
    • 84870181294 scopus 로고    scopus 로고
    • Here and in subsequent formulas, we take the distribution function to be a smooth function of energy over an interval of order δE above the gap and to vanish quickly at higher energies.
    • Here and in subsequent formulas, we take the distribution function to be a smooth function of energy over an interval of order δ E above the gap and to vanish quickly at higher energies.
  • 18
    • 0004255870 scopus 로고
    • E; the latter is characterized by an effective temperature, in contrast with the charge mode disequilibrium whose presence requires a shift in the chemical potential, see, e.g., McGraw-Hill, New York
    • E; the latter is characterized by an effective temperature, in contrast with the charge mode disequilibrium whose presence requires a shift in the chemical potential, see, e.g., M. Tinkham, Introduction to Superconductivity, 2nd ed., Chap.11 (McGraw-Hill, New York, 1975).
    • (1975) Introduction to Superconductivity
    • Tinkham, M.1
  • 19
    • 4243243205 scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.69.1993
    • D. V. Averin and Yu. V. Nazarov, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.69.1993 69, 1993 (1992);
    • (1992) Phys. Rev. Lett. , vol.69 , pp. 1993
    • Averin, D.V.1    Nazarov, Yu.V.2
  • 24
    • 84860231219 scopus 로고    scopus 로고
    • PRBMDO 1098-0121 10.1103/PhysRevB.85.144503
    • J. Leppäkangas and M. Marthaler, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.85.144503 85, 144503 (2012).
    • (2012) Phys. Rev. B , vol.85 , pp. 144503
    • Leppäkangas, J.1    Marthaler, M.2
  • 25
    • 84870197255 scopus 로고    scopus 로고
    • 00 [cf. Eq.]. Then a more careful analysis shows that corrections to the wave functions due to the cubic anharmonicity of the potentail should be considered when evaluating Asd. Since the corresponding corrections are of order unity for typical phase qubit parameters, they do not affect our conclusions in the text after Eq
    • 00 [cf. Eq.]. Then a more careful analysis shows that corrections to the wave functions due to the cubic anharmonicity of the potentail should be considered when evaluating A s d. Since the corresponding corrections are of order unity for typical phase qubit parameters, they do not affect our conclusions in the text after Eq..
  • 27
    • 6244256532 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.76.3814
    • D. Averin and H. T. Imam, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.76.3814 76, 3814 (1996);
    • (1996) Phys. Rev. Lett. , vol.76 , pp. 3814
    • Averin, D.1    Imam, H.T.2
  • 28
    • 0001765808 scopus 로고    scopus 로고
    • 1098-0121 PRBMDO 10.1103/PhysRevB.53.R1705
    • D. Averin and A. Bardas, Phys. Rev. B 1098-0121 PRBMDO 10.1103/PhysRevB.53.R1705 53, R1705 (1996).
    • (1996) Phys. Rev. B , vol.53 , pp. 1705
    • Averin, D.1    Bardas, A.2
  • 30
    • 84870193613 scopus 로고    scopus 로고
    • ch and inverse square root of the volume, respectively).
    • ch and inverse square root of the volume, respectively).
  • 32
    • 0037375314 scopus 로고    scopus 로고
    • See, e.g. PRPLCM 0370-1573 10.1016/S0370-1573(02)00633-6
    • See, e.g., N. Agraït, A. Levy Yeyati, and J. M. van Ruitenbeek, Phys. Rep. PRPLCM 0370-1573 10.1016/S0370-1573(02)00633-6 377, 81 (2003), and references therein.
    • (2003) Phys. Rep. , vol.377 , pp. 81
    • Agraït, N.1    Levy Yeyati, A.2    Van Ruitenbeek, J.M.3
  • 34
    • 84870197259 scopus 로고    scopus 로고
    • Ph.D. thesis, Yale University
    • J. Teufel, Ph.D. thesis, Yale University, 2008.
    • (2008)
    • Teufel, J.1
  • 36
    • 2142713120 scopus 로고    scopus 로고
    • PRBMDO 1098-0121 10.1103/PhysRevB.69.094524
    • C. M. Wilson and D. E. Prober, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.69.094524 69, 094524 (2004).
    • (2004) Phys. Rev. B , vol.69 , pp. 094524
    • Wilson, C.M.1    Prober, D.E.2
  • 40
    • 0043141866 scopus 로고
    • PHRVAO 0031-899X 10.1103/PhysRev.115.1342
    • P. C. Martin and J. Schwinger, Phys. Rev. PHRVAO 0031-899X 10.1103/PhysRev.115.1342 115, 1342 (1959).
    • (1959) Phys. Rev. , vol.115 , pp. 1342
    • Martin, P.C.1    Schwinger, J.2
  • 41
    • 84870167986 scopus 로고    scopus 로고
    • +(t). The second step (the extension of the lower integration limit) will be taken at the end of the calculation
    • + (t). The second step (the extension of the lower integration limit) will be taken at the end of the calculation.
  • 42
    • 84870193638 scopus 로고    scopus 로고
    • We note that in the flux qubit the inductor is assumed to be lossless, while in the fluxonium, the effective inductor formed by the junction array has finite losses.
    • We note that in the flux qubit the inductor is assumed to be lossless, while in the fluxonium, the effective inductor formed by the junction array has finite losses.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.