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Volumn 71, Issue 11, 2005, Pages

Role of the environmental spectrum in the decoherence and dephasing of multilevel quantum systems

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; CALCULATION; DIPOLE; HAMILTON SCALE; LOW TEMPERATURE; MATHEMATICAL ANALYSIS; NOISE; PARAMETER; QUANTUM CHEMISTRY; RAMAN SPECTROMETRY; SPECTROSCOPY; VALIDATION PROCESS;

EID: 20044389925     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.71.115115     Document Type: Article
Times cited : (7)

References (35)
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  • 8
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    • Quantum Physics of Open Systems
    • cond-mat/0102156; P. C. E. Stamp and I. S. Tupitsyn, cond-mat/0308139
    • M. Dube and P. C. E. Stamp, Quantum Physics of Open Systems [Chem. Phys., Special issue 268, 257 (2001)]; cond-mat/ 0102156; P. C. E. Stamp and I. S. Tupitsyn, cond-mat/0308139;
    • (2001) Chem. Phys., Special Issue , vol.268 , pp. 257
    • Dube, M.1    Stamp, P.C.E.2
  • 10
    • 17144456168 scopus 로고    scopus 로고
    • In a finite double well potential there is no manifest degeneracy. However highly degenerate configurations can be obtained in the vicinity of level crossings. It can be numerically shown fsee for instance T. Hakioglu, J. Anderson, and F. Wellstood, Phys. Rev. B 66, 115324 (2002)] that at the level crossings the symmetric and antisymmetric configurations are highly confined either within the left or the right wells. The tunneling matrix element is proportional to the overlap of these configurations which is minimized at the level crossings.
    • (2002) Phys. Rev. B , vol.66 , pp. 115324
    • Hakioglu, T.1    Anderson, J.2    Wellstood, F.3
  • 11
    • 20044387748 scopus 로고    scopus 로고
    • note
    • We assume that the system is initially prepared at a given superposition state ψ(0)=a|0〉+b|1〉 where |0〉 and |1〉 are, respectively, the ground and the first excited states in the qubit subspace.
  • 17
    • 17044411019 scopus 로고    scopus 로고
    • edited by R. Fazio, V. F. Gantmakher, and Y. Imry (Kluwer, Dordrecht)
    • Yuriy Makhlin, Gerd Schön, and Alexander Shnirman, New Dimensions in Mesoscopic Physics, edited by R. Fazio, V. F. Gantmakher, and Y. Imry (Kluwer, Dordrecht, 2003), pp. 197-236
    • (2003) New Dimensions in Mesoscopic Physics , pp. 197-236
    • Makhlin, Y.1    Schön, G.2    Shnirman, A.3
  • 18
    • 0038170386 scopus 로고    scopus 로고
    • and the third reference in Ref. 9
    • Anatoly Yu. Smirnov, Phys. Rev. B 67, 155104 (2003), and the third reference in Ref. 9.
    • (2003) Phys. Rev. B , vol.67 , pp. 155104
    • Smirnov, A.Yu.1
  • 26
    • 0034452515 scopus 로고    scopus 로고
    • Phys. Rev. B 62, 14 061 (2000).
    • (2000) Phys. Rev. B , vol.62 , pp. 14061
  • 29
    • 20044389067 scopus 로고    scopus 로고
    • quant-ph/0206143 (unpublished)
    • also recently, a Markovian Linblad approach was used for the RDM of a multilevel system in connection with the quantum Zeno effect [see for instance, D. Bruno, P. Facchi, S. Longo, P. Minelli, S. Pascazio, and A. Scardicchio, quant-ph/0206143 (unpublished)].
    • Bruno, D.1    Facchi, P.2    Longo, S.3    Minelli, P.4    Pascazio, S.5    Scardicchio, A.6
  • 32
    • 84856129306 scopus 로고    scopus 로고
    • Decoherence from Vacuum Fluctuations
    • edited by G. Montambaux and T. Martin (EDP Sciences, Les Ulis), see also condmat/0105519 (unpublished)
    • M. Büttiker, Decoherence from Vacuum Fluctuations, Proc. Electronic Correlations: From Meso- to Nano-Physics, edited by G. Montambaux and T. Martin (EDP Sciences, Les Ulis, 2001), pp. 231-236; see also condmat/0105519 (unpublished).
    • (2001) Proc. Electronic Correlations: From Meso- to Nano-Physics , pp. 231-236
    • Büttiker, M.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.