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dc.contributor.authorOhba, Ichiroja
dc.contributor.authorOta, Yukihiroja
dc.contributor.transcriptionオオバ, イチロウja
dc.contributor.transcriptionオオタ, ユキヒロja
dc.date.accessioned2010-02-10T07:04:41Z-
dc.date.available2010-02-10T07:04:41Z-
dc.date.issued2004-08-20ja
dc.identifier.issn0525-2997ja
dc.identifier.urihttp://hdl.handle.net/2433/97881-
dc.descriptionこの論文は国立情報学研究所の電子図書館事業により電子化されました。ja
dc.description.abstract開いた系を量子化する1つの方法,Quantum state diffusion法(確率的シュレーディンガー方程式)の応用例を示す.この方法では,系の量子-古典対応を論じる際,古典論で位相空間内を時々刻々に変化していく事象が見て取れるのに対応するように,ヒルベルト空間内で,ハミルトニアンによる時間発展はもちろん,散逸効果も確率過程的取り込んで,状態ベクトルを時間発展させる.ここでは古典的に散逸系でカオスが現れているダフィン振動子の量子化を取り上げ,有効ブランク定数を変えて擬リヤプノフ数を求め,有効ブランク定数のある臨界値でこの系が古典系から量子系へのクロスオーバしていることを示す.ja
dc.description.abstractWe apply the QSD to the quantum version of Duffing oscillator and discuss the QCC and dissipative quantum chaos in this system. We calculate the constant phase map and the pseudo-Lyapunov exponent, varying Planck constant effectively and show there is a certain clear critical stage in which a crossover from classical to quantum behavior occurs. Furthermore, we discuss the effect of dissipation in the dissipative quantum chaos by means of a degrees of localization introduced in the QSD formalism[5]. Unfortunately, the pseudo-Lyapunov exponent is not a quantity characterized a dissipative system. Therefore, it will be necessary to discuss the connection between the classical trajectory (strange attractor) and the quantum observable which characterize a dissipative quantum system.ja
dc.format.mimetypeapplication/pdfja
dc.language.isoengja
dc.publisher物性研究刊行会ja
dc.subject.ndc428ja
dc.titleQuantization of Open System Based on Quantum State Diffusion IIja
dc.type.niitypeDepartmental Bulletin Paperja
dc.identifier.ncidAN0021948Xja
dc.identifier.jtitle物性研究ja
dc.identifier.volume82ja
dc.identifier.issue5ja
dc.identifier.spage678ja
dc.identifier.epage681ja
dc.textversionpublisherja
dc.sortkey008ja
dc.addressDepartment of Physics, Waseda Universityja
dc.addressDepartment of Physics, Waseda Universityja
Appears in Collections:Vol.82 No.5

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