Optical spectroscopy and current detection during warm-up and destruction of impurity-helium condensates

  • I.N. Krushinskaya Branch of Talroze Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia
  • R.E. Boltnev Branch of Talroze Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia; Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412, Russia
  • I.B. Bykhalo Branch of Talroze Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia
  • A.A. Pelmenev Branch of Talroze Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia; Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412, Russia
  • V.V. Khmelenko Institute for Quantum Science and Engineering, Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
  • D.M. Lee Institute for Quantum Science and Engineering, Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA

Abstract

It is well known that deposition of rare gases (RG) passed through electrical discharge area onto a cold (~ 4 K) surface, or irradiation of cryofilms by energetic particles (electrons, protons, or photons with energies of 20 eV – 4 MeV) can cause formation and stabilization of neutral radicals and ions. Recent experiments have revealed ion currents accompanied by luminescence during destruction of nitrogenhelium condensates prepared by condensation of nitrogen-helium gas mixtures (after passing through a radio frequency RF discharge zone) into superfluid helium (HeII) bulk [1].

References

1 R.E. Boltnev, et all., Low Temp. Phys. 39, 451 (2013).

2 E.B. Gordon, L.P. Mezhov-Deglin, and O.F. Pugachev, JETP Lett. 19, 103 (1974).
Published
2015-01-21
How to Cite
KRUSHINSKAYA, I.N. et al. Optical spectroscopy and current detection during warm-up and destruction of impurity-helium condensates. Recent Contributions to Physics (Rec.Contr.Phys.), [S.l.], v. 50, n. 3, p. 64-65, jan. 2015. ISSN 2663-2276. Available at: <https://bph.kaznu.kz/index.php/zhuzhu/article/view/823>. Date accessed: 22 oct. 2020.
Section
Condensed Matter Physics and Materials Science Problems. NanoScience

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