Interpretation of quasiparticle scattering measurements in $^3$He-B: a three dimensional numerical analysis
Seminar Room 1, Newton Institute
AbstractPresent research is concerned with numerical modelling of Andreev scattering technique used for detection of quantized vortices in $^3$He-B. The results of numerical analysis of Andreev reflection by three-dimensional turbulent structures are reported. We analyse the Andreev scattering by a dense vortex tangle and calculate the spectral characteristics of the retroreflected beam of thermal excitations. The obtained results are in agreement with experimental observations.
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