- Text
- Superconductivity,
- Oscillations,
- Publishing,
- Superfluidity,
- Magnetic,
- Superconductors,
- Electron,
- Superconducting,
- Electrons,
- Density,
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Boris V. Vasiliev Supercondustivity Superfluidity

Annotation the defects, if the scattering energy is less than the energy of attraction. 4. Calculations show that the ratio of the critical temperature of formation of such condensate to the metal Fermi temperature: (where α is the fine structure constant). T c T F ≃ 5πα 3 ≃ 6 · 10 −6 (1) The critical magnetic field in this model is a field that destroys the coherence of the zero-point oscillations of the particles of the condensate. These results of calculations are in good agreement with measured data for all superconductors. It is appropriate to emphasize that the BCS-theory there are no workable formula that determines the specific critical parameters of superconductors. 5. Zero-point oscillations of shells of neutral atoms in the s-state were considered by F.London (in 1937). He showed that the helium atoms arrange the oscillations of their shells at about 4K. This ordering is energetically favorable, since in this case the attraction arises between atoms. He paid no attention, that only one oscillation mode is ordered at this temperature. But this is enough for the helium liquefaction as a repulsion is absent in the gas of neutral bosons. The complete arrangement appears at twice less temperature. The calculation shows that the temperature of complete ordering of zero-point oscillations depends on the universal constants only: T 0 = 1 M 4 c 2 α 6 = 2.177K. (2) 3 k This value is a very good agreement with the measured value of the superfluid transition temperature T λ = 2.172K. This difference in the 4 digits may occur because of the inaccuracy of the calibration of thermometers, which are very difficult in this temperature range. Also in this case it is possible to calculate the density of the superfluid condensate in liquid helium. It turns out that the density of particles in the condensate, as well as T 0 , IV Science Publishing Group

Annotation depends on the ratio universal constants only: n 0 = α2 a 3 B (where a B is the Bohr radius). √ M4 2m e ∼ = 2.172 · 10 22 atom/cm 3 . (3) Since all helium atoms pass into condensate at a low temperature, then it is possible to calculate the density of the liquid helium: γ 4 = n 0 M 4 ∼ = 0.1443 g/cm 3 , (4) which agrees well with the measured density of liquid helium equal to 0.145 g/cm 3 . It should be emphasized that the above formulas are derived from the consideration of the mechanism of zero-point oscillations ordering and they were not known previously. 6. Thus the consent of the above formulas with the measurement data clearly shows that both - superconductivity and superfluidity - are the result of the work of the same mechanism - both of these related phenomena occur as a result of ordering zero-point oscillations. Science Publishing Group V

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Part IV Conclusion

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References [1] W. Gilbert: De magne

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References [33] Bethe H., Sommerfel