Global ETD Search
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Showing 1 to 6 of 6 for “"Andreev scattering"”.
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Properties of the Helium-3 a-B Phase Boundary
… dissipative mechanism is ascribed to the Andreev scattering of excitations with the boundary. The predicted terminal velocity of the interface when the phases are hypercooled is shown to agree with experiment. The lower temperature dissipative mechanism is proposed to be pair-breaking, and …
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Properties of the 3He A-B phase boundary
… dissipative mechanism is ascribed to the Andreev scattering of excitations with the boundary. The predicted terminal velocity of the interface when the phases are hypercooled is shown to agree with experiment. The lower temperature dissipative mechanism is proposed to be pair-breaking, and …
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Effects of a single magnetic impurity on superconductivity
… bound in the vortex core area due to repeated Andreev scattering. A magnetic impurity tends to align the spins of the neighboring electrons and break up Cooper pairs, and has similar effects of lo- cally suppressing superconductivity. A striking difference, however, from the vortex problem is …
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B phase nucleation and A-B interface dynamics in superfluid 3He
… relevant ballistic regime where the Andreev scattering of normal excitations off the moving interface strongly influences the dynamics. The theoretical prediction for the terminal velocity is too big by a factor ~ 2, and possible reasons for this discrepancy are discussed. A study of …
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B phase nucleation and A-B interface dynamics in superfluid helium-3
… relevant ballistic regime where the Andreev scattering of normal excitations off the moving interface strongly influences the dynamics. The theoretical prediction for the terminal velocity is too big by a factor $\sim$2, and possible reasons for this discrepancy are discussed. A study …
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Andreev-Streuung, Josephson-Bloch-Oszillationen und Zener-Tunneln in Heterokontakten aus Normal- und Supraleitern
… Dabei ist der bestimmende Prozeß die Andreev-Streuung: die Streuung von Elektronen in Löcher, bzw. umgekehrt, an räumlichen Variationen des supraleitenden Paarpotentials unter Erzeugung, bzw. Vernichtung, eines Cooperpaares und damit der Induktion eines Suprastroms. Befindet sich ein …