Перегляд за автором "Khrapak, A.G."

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  • Energy of vacancy formation in the continuum matter model 
    Khrapak, A.G.; Khrapak, S.A. (Физика низких температур, 2013)
    The quantum energy spectrum of the oscillating spherical void in solids is calculated within the continuum matter model. It is suggested that the ground state of the oscillating void corresponds to the vacancy in real ...
  • Negative ions in liquid helium 
    Khrapak, A.G.; Schmidt, W.F. (Физика низких температур, 2011)
    Structure of negative ions in liquid ⁴He is analyzed. The possibility of cluster or bubble formation around impurity ions of both signs is discussed. It is demonstrated that in superfluid helium, around negative alkalineearth ...