When superfluids are a drag

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The article considers the dramatic phenomenon of seemingly frictionless flow of slow-moving superfluids. Specifically the question of whether an object in a superfluid flow experiences any drag force is addressed. A brief account is given of the history of this problem and it is argued that recent advances in ultracold atomic physics can shed much new light on this problem. The article presents the commonly held notion that sufficiently slow-moving superfluids can flow without drag and also discusses research suggesting that scattering quantum fluctuations might cause drag in a superfluid moving at any speed.

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Roberts, David C January 1, 2008.

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Description

The article considers the dramatic phenomenon of seemingly frictionless flow of slow-moving superfluids. Specifically the question of whether an object in a superfluid flow experiences any drag force is addressed. A brief account is given of the history of this problem and it is argued that recent advances in ultracold atomic physics can shed much new light on this problem. The article presents the commonly held notion that sufficiently slow-moving superfluids can flow without drag and also discusses research suggesting that scattering quantum fluctuations might cause drag in a superfluid moving at any speed.

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  • Journal Name: Contemporary Physics; Journal Volume: 50; Journal Issue: 3

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  • Report No.: LA-UR-08-07908
  • Report No.: LA-UR-08-7908
  • Grant Number: AC52-06NA25396
  • Office of Scientific & Technical Information Report Number: 956648
  • Archival Resource Key: ark:/67531/metadc932440

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • January 1, 2008

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

Description Last Updated

  • Dec. 12, 2016, 6:17 p.m.

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Roberts, David C. When superfluids are a drag, article, January 1, 2008; [New Mexico]. (digital.library.unt.edu/ark:/67531/metadc932440/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.