Quantum Andreev Oscillations in normal-superconducting-normal nanostructures

Details Quantum Andreev Oscillations in normal-superconducting-normal nanostructures Quantum Andreev Oscillations in normal-superconducting-normal nanostructures

2008-03-12

arxiv.org/abs/0803.1711v1

J Supercond Nov Magn (2009) 22: 331\^a?"335

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages and 4 figures

Scientific paper

10.1007/s10948-008-0439-4

We show that the voltage drop of specially prepared normal-superconducting-normal nanostructures show quantum Andreev oscillations as a function of magnetic field or input current. These oscillations are due to the interference of the electron wave function between the normal parts of the structure that act as reflective interfaces, i.e. our devices behave as a Fabry-Perot interferometer for conduction electrons. The observed oscillations and field periods are well explained by theory.

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