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SUMMARY:Thermal counterflow and electrical activity of superfluid systems 
 in a magnetic field
DTSTART;VALUE=DATE-TIME:20191223T081500Z
DTEND;VALUE=DATE-TIME:20191223T083500Z
DTSTAMP;VALUE=DATE-TIME:20260316T204219Z
UID:indico-contribution-115@indico.bitp.kiev.ua
DESCRIPTION:Speakers: Aleksandr Konstantinov (B.Verkin Institute for Low T
 emperature Physics and Engineering  of the National Academy of Sciences of
  Ukraine)\nIt is shown that the thermal counterflow in superfluid helium p
 laced in a magnetic field leads to the appearance of an electric field in 
 the surrounding space. The effect is due to the counterflow nature of ther
 mal conductivity in superfluid systems: heat transfer in such systems is a
 ssociated with the movement of the normal component\, but the average mass
  flow carried by the normal component is compensated by the mass flow carr
 ied by the superfluid component. The local mass flow is nonzero. The effec
 t occurs for stationary and non-stationary (second sound) heat flow. The f
 eatures of the effect for samples with different geometries are considered
 . It was established that the magnitude of the arising electric field subs
 tantially depends on the shape of the sample and the direction of the magn
 etic field [1].\n\n[1] S.I. Shevchenko\, A.M. Konstantinov\, JETP Lett. 10
 9\, 790-794\, (2019).\n\nhttps://indico.bitp.kiev.ua/event/4/contributions
 /115/
LOCATION:Bogolyubov Institute for Theoretical Physics of the National Acad
 emy of Sciences of Ukraine 322
URL:https://indico.bitp.kiev.ua/event/4/contributions/115/
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