{"id":112,"date":"2020-04-15T21:44:13","date_gmt":"2020-04-15T21:44:13","guid":{"rendered":"https:\/\/projects.ift.uam-csic.es\/holotube\/?p=112"},"modified":"2020-05-09T10:49:34","modified_gmt":"2020-05-09T10:49:34","slug":"transport-in-clean-quantum-critical-superfluids-by-eric-mefford","status":"publish","type":"post","link":"https:\/\/projects.ift.uam-csic.es\/holotube\/2020\/04\/15\/transport-in-clean-quantum-critical-superfluids-by-eric-mefford\/","title":{"rendered":"5th of May: “Transport in clean quantum critical superfluids” by Eric Mefford"},"content":{"rendered":"\n
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Date : 5<\/strong>th of May, <\/strong>16:00 CET<\/strong><\/p>\n<\/div><\/div>\n\n\n\n

Link : https:\/\/us02web.zoom.us\/j\/86208998779?pwd=YzBFbFRWMWpCdXlEcmdyOTk5ZlpjUT09<\/a><\/strong><\/p>\n\n\n\n

Speaker : <\/strong>Eric Mefford (\u00c9cole Polytechnique Paris)<\/p>\n\n\n\n

Title:<\/strong> Transport in clean quantum critical superfluids<\/p>\n\n\n\n

Abstract<\/strong>: The hydrodynamic regime of superfluids in systems like 4He has been well understood since the seminal work of Landau and Tisza. A fundamental assumption in much subsequent work is the low-temperature dominance of the superfluid phonon which leads to universal behavior in transport that is characterized by the phonon sound speed. I will discuss investigations of the two-fluid model of superfluids near an underlying quantum critical phase and establish criteria for the breakdown of this assumption which leads to novel transport behavior. A surprising result is the non-vanishing of the charge density of the fluid’s normal component at zero temperature. I will illustrate these results with some holographic models.<\/p>\n<\/div><\/div>\n\n\n\n

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Slides<\/a>Download<\/a><\/div>\n\n\n\n
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