Analogues of Josephson junctions and black hole event horizons in atomic Bose-Einstein condensates
We study dynamical processes in coherently coupled atomic Bose-Einstein condensates. Josephson effects in ring-shaped and dumbbell geometries are theoretically investigated. Conditions for observation of the Josephson effect are revealed. We found that multicharged persistent current in toroidal con...
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| creator | Yakimenko, A I Matsyshyn, O I Oliinyk, A O Biloshytskyi, V M Chelpanova, O G Vilchynskii, S I |
| description | We study dynamical processes in coherently coupled atomic Bose-Einstein condensates. Josephson effects in ring-shaped and dumbbell geometries are theoretically investigated. Conditions for observation of the Josephson effect are revealed. We found that multicharged persistent current in toroidal condensate can be robust even for supersonic atomic flow. In numerical simulations the acoustic analogues of event horizon in quantized superflow was observed. These theoretical finding open perspectives for investigation of Bose Josephson junctions and quantum aspects of acoustic analogue of Hawking radiation in existing experimental setups. |
| doi_str_mv | 10.48550/arxiv.1805.00696 |
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Josephson effects in ring-shaped and dumbbell geometries are theoretically investigated. Conditions for observation of the Josephson effect are revealed. We found that multicharged persistent current in toroidal condensate can be robust even for supersonic atomic flow. In numerical simulations the acoustic analogues of event horizon in quantized superflow was observed. These theoretical finding open perspectives for investigation of Bose Josephson junctions and quantum aspects of acoustic analogue of Hawking radiation in existing experimental setups.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1805.00696</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Black holes ; Bose-Einstein condensates ; Computer simulation ; Event horizon ; Hawking radiation ; Josephson effect ; Josephson junctions ; Matter & antimatter ; Physics - Quantum Gases ; Robustness (mathematics)</subject><ispartof>arXiv.org, 2018-05</ispartof><rights>2018. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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These theoretical finding open perspectives for investigation of Bose Josephson junctions and quantum aspects of acoustic analogue of Hawking radiation in existing experimental setups.</description><subject>Black holes</subject><subject>Bose-Einstein condensates</subject><subject>Computer simulation</subject><subject>Event horizon</subject><subject>Hawking radiation</subject><subject>Josephson effect</subject><subject>Josephson junctions</subject><subject>Matter & antimatter</subject><subject>Physics - Quantum Gases</subject><subject>Robustness (mathematics)</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotkMFOwzAQRC0kJKrSD-CEJc4pm3WcOMdSFQqqxKX3yE5s6pDaJU4q4OtxW06z2pldaR4hdynMM8E5PMr-2x7nqQA-B8jL_IpMkLE0ERniDZmF0AIA5gVyziZELZzs_MeoA_WGvvmgD7vgHW1HVw_Wu0Cla6jqZP1Jd77TVB-1G-LY29-Tax2Vg9_bmj7F22RlXRh0XNbeNdoFOehwS66N7IKe_euUbJ9X2-U62by_vC4Xm0RyxMRIxFqbDJnIo-qmYIUy0HBjgCkFAlStTFOKNOdlbkzKpWCQqkI2GeMZZ1Nyf3l7BlAderuX_U91AlGdQcTEwyVx6P1XbDxUrR_72D9UCAViBpEK-wPgd2Jj</recordid><startdate>20180502</startdate><enddate>20180502</enddate><creator>Yakimenko, A I</creator><creator>Matsyshyn, O I</creator><creator>Oliinyk, A O</creator><creator>Biloshytskyi, V M</creator><creator>Chelpanova, O G</creator><creator>Vilchynskii, S I</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20180502</creationdate><title>Analogues of Josephson junctions and black hole event horizons in atomic Bose-Einstein condensates</title><author>Yakimenko, A I ; Matsyshyn, O I ; Oliinyk, A O ; Biloshytskyi, V M ; Chelpanova, O G ; Vilchynskii, S I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a522-fa22cef42386cefed737bf0d5ff03bb080bcbfd9816596ff15a8301b7ad435453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Black holes</topic><topic>Bose-Einstein condensates</topic><topic>Computer simulation</topic><topic>Event horizon</topic><topic>Hawking radiation</topic><topic>Josephson effect</topic><topic>Josephson junctions</topic><topic>Matter & antimatter</topic><topic>Physics - Quantum Gases</topic><topic>Robustness (mathematics)</topic><toplevel>online_resources</toplevel><creatorcontrib>Yakimenko, A I</creatorcontrib><creatorcontrib>Matsyshyn, O I</creatorcontrib><creatorcontrib>Oliinyk, A O</creatorcontrib><creatorcontrib>Biloshytskyi, V M</creatorcontrib><creatorcontrib>Chelpanova, O G</creatorcontrib><creatorcontrib>Vilchynskii, S I</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yakimenko, A I</au><au>Matsyshyn, O I</au><au>Oliinyk, A O</au><au>Biloshytskyi, V M</au><au>Chelpanova, O G</au><au>Vilchynskii, S I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analogues of Josephson junctions and black hole event horizons in atomic Bose-Einstein condensates</atitle><jtitle>arXiv.org</jtitle><date>2018-05-02</date><risdate>2018</risdate><eissn>2331-8422</eissn><abstract>We study dynamical processes in coherently coupled atomic Bose-Einstein condensates. Josephson effects in ring-shaped and dumbbell geometries are theoretically investigated. Conditions for observation of the Josephson effect are revealed. We found that multicharged persistent current in toroidal condensate can be robust even for supersonic atomic flow. In numerical simulations the acoustic analogues of event horizon in quantized superflow was observed. These theoretical finding open perspectives for investigation of Bose Josephson junctions and quantum aspects of acoustic analogue of Hawking radiation in existing experimental setups.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1805.00696</doi><oa>free_for_read</oa></addata></record> |
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| source | Freely Accessible Journals; arXiv.org |
| subjects | Black holes Bose-Einstein condensates Computer simulation Event horizon Hawking radiation Josephson effect Josephson junctions Matter & antimatter Physics - Quantum Gases Robustness (mathematics) |
| title | Analogues of Josephson junctions and black hole event horizons in atomic Bose-Einstein condensates |
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