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Conditions for the classicality of the center of mass of many-particle quantum states
https://oist.repo.nii.ac.jp/records/228
https://oist.repo.nii.ac.jp/records/22885872e5e-59a0-412c-ac52-29540611d6c7
名前 / ファイル | ライセンス | アクション |
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Oriols_2017_New_J._Phys._19_063031 (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-01-18 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Conditions for the classicality of the center of mass of many-particle quantum states | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Oriols, Xavier
× Oriols, Xavier× Benseny, Albert |
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書誌情報 |
en : New Journal of Physics 巻 19, p. 063031, 発行日 2017-06-26 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We discuss the conditions for the classicality of quantum states with a very large number of identical particles. By defining the center of mass from a large set of Bohmian particles, we show that it follows a classical trajectory when the distribution of the Bohmian particle positions in a single experiment is always equal to the marginal distribution of the quantum state in physical space. This result can also be interpreted as a single experiment generalization of the well-known Ehrenfest theorem. We also demonstrate that the classical trajectory of the center of mass is fully compatible with a quantum (conditional) wave function solution of a classical non-linear Schrödinger equation. Our work shows clear evidence for a quantum–classical inter-theory unification, and opens new possibilities for practical quantum computations with decoherence. | |||||
出版者 | ||||||
出版者 | IOP Publishing Ltd and Deutsche Physikalische Gesellschaft | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1367-2630 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1088/1367-2630/aa719a | |||||
権利 | ||||||
権利情報 | © 2017 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://iopscience.iop.org/article/10.1088/1367-2630/aa719a/meta;jsessionid=87A149C41A38D58B0E69C39B07C0F9B8.ip-10-40-1-105#top | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |