Emergence of turbulence in an oscillating bose-einstein condensate
We report on the experimental observation of vortex tangles in an atomic Bose-Einstein condensate (BEC) of ;{87}Rb atoms when an external oscillatory perturbation is introduced in the trap. The vortex tangle configuration is a signature of the presence of a turbulent regime in the cloud. We also sho...
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| Veröffentlicht in: | Physical review letters 2009-07, Vol.103 (4), p.045301-045301, Article 045301 |
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| container_issue | 4 |
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| container_title | Physical review letters |
| container_volume | 103 |
| creator | Henn, E A L Seman, J A Roati, G Magalhães, K M F Bagnato, V S |
| description | We report on the experimental observation of vortex tangles in an atomic Bose-Einstein condensate (BEC) of ;{87}Rb atoms when an external oscillatory perturbation is introduced in the trap. The vortex tangle configuration is a signature of the presence of a turbulent regime in the cloud. We also show that this turbulent cloud suppresses the aspect ratio inversion typically observed in quantum degenerate bosonic gases during free expansion. Instead, the cloud expands keeping the ratio between their axis constant. Turbulence in atomic superfluids may constitute an alternative system to investigate decay mechanisms as well as to test fundamental theoretical aspects in this field. |
| doi_str_mv | 10.1103/PhysRevLett.103.045301 |
| format | Article |
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Turbulence in atomic superfluids may constitute an alternative system to investigate decay mechanisms as well as to test fundamental theoretical aspects in this field.</description><subject>ASPECT RATIO</subject><subject>BETA DECAY RADIOISOTOPES</subject><subject>BETA-MINUS DECAY RADIOISOTOPES</subject><subject>BOSE-EINSTEIN CONDENSATION</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>DIMENSIONLESS NUMBERS</subject><subject>INTERMEDIATE MASS NUCLEI</subject><subject>ISOTOPES</subject><subject>NUCLEI</subject><subject>ODD-EVEN NUCLEI</subject><subject>PERTURBATION THEORY</subject><subject>RADIOISOTOPES</subject><subject>RUBIDIUM 87</subject><subject>RUBIDIUM ISOTOPES</subject><subject>SUPERFLUIDITY</subject><subject>TURBULENCE</subject><subject>YEARS LIVING RADIOISOTOPES</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNpNUF1Lw0AQPESxtfoXSkDwLXXvLrmPRy31AwqK6PORXDZtpLnU3EXov_dqC8rCLgMzu7NDyJTCjFLgt6_rnX_D7yWGMIt4BlnOgZ6QMQWpU0lpdkrGAJymGkCOyIX3nwBAmVDnZES1yDUXckzuFy32K3QWk65OwtCXw-YXNS4pXNJ522w2RWjcKik7jyk2zofYEtu5Cp0vAl6Ss7rYeLw6zgn5eFi8z5_S5cvj8_xumVquIaQZzRlnHCqBoLnlQhWc0RKxVrmVNbOUFparUoGtlci0yJjKmBaqrKyUXPAJuT7s7XxoTDQW0K6jDYc2GEZ5JkGzyLo5sLZ99zWgD6ZtvMX4hMNu8EbIXMRSkSgORNt33vdYm23ftEW_MxTMPmPzL2Ozx4eMo3B6vDCULVZ_smOo_AfYh3mR</recordid><startdate>20090724</startdate><enddate>20090724</enddate><creator>Henn, E A L</creator><creator>Seman, J A</creator><creator>Roati, G</creator><creator>Magalhães, K M F</creator><creator>Bagnato, V S</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20090724</creationdate><title>Emergence of turbulence in an oscillating bose-einstein condensate</title><author>Henn, E A L ; Seman, J A ; Roati, G ; Magalhães, K M F ; Bagnato, V S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-41523230d6e093c368a321beef85c7f2c11ac38b80cf8649642842968bdc77363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>ASPECT RATIO</topic><topic>BETA DECAY RADIOISOTOPES</topic><topic>BETA-MINUS DECAY RADIOISOTOPES</topic><topic>BOSE-EINSTEIN CONDENSATION</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>DIMENSIONLESS NUMBERS</topic><topic>INTERMEDIATE MASS NUCLEI</topic><topic>ISOTOPES</topic><topic>NUCLEI</topic><topic>ODD-EVEN NUCLEI</topic><topic>PERTURBATION THEORY</topic><topic>RADIOISOTOPES</topic><topic>RUBIDIUM 87</topic><topic>RUBIDIUM ISOTOPES</topic><topic>SUPERFLUIDITY</topic><topic>TURBULENCE</topic><topic>YEARS LIVING RADIOISOTOPES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Henn, E A L</creatorcontrib><creatorcontrib>Seman, J A</creatorcontrib><creatorcontrib>Roati, G</creatorcontrib><creatorcontrib>Magalhães, K M F</creatorcontrib><creatorcontrib>Bagnato, V S</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Henn, E A L</au><au>Seman, J A</au><au>Roati, G</au><au>Magalhães, K M F</au><au>Bagnato, V S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Emergence of turbulence in an oscillating bose-einstein condensate</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2009-07-24</date><risdate>2009</risdate><volume>103</volume><issue>4</issue><spage>045301</spage><epage>045301</epage><pages>045301-045301</pages><artnum>045301</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We report on the experimental observation of vortex tangles in an atomic Bose-Einstein condensate (BEC) of ;{87}Rb atoms when an external oscillatory perturbation is introduced in the trap. The vortex tangle configuration is a signature of the presence of a turbulent regime in the cloud. We also show that this turbulent cloud suppresses the aspect ratio inversion typically observed in quantum degenerate bosonic gases during free expansion. Instead, the cloud expands keeping the ratio between their axis constant. Turbulence in atomic superfluids may constitute an alternative system to investigate decay mechanisms as well as to test fundamental theoretical aspects in this field.</abstract><cop>United States</cop><pmid>19659367</pmid><doi>10.1103/PhysRevLett.103.045301</doi><tpages>1</tpages></addata></record> |
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| source | American Physical Society Journals |
| subjects | ASPECT RATIO BETA DECAY RADIOISOTOPES BETA-MINUS DECAY RADIOISOTOPES BOSE-EINSTEIN CONDENSATION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DIMENSIONLESS NUMBERS INTERMEDIATE MASS NUCLEI ISOTOPES NUCLEI ODD-EVEN NUCLEI PERTURBATION THEORY RADIOISOTOPES RUBIDIUM 87 RUBIDIUM ISOTOPES SUPERFLUIDITY TURBULENCE YEARS LIVING RADIOISOTOPES |
| title | Emergence of turbulence in an oscillating bose-einstein condensate |
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