4.6 Article

Andreev spectroscopy of doped HgTe quantum wells

Journal

PHYSICAL REVIEW B
Volume 82, Issue 11, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.82.115312

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Funding

  1. Agence Nationale de la Recherche [ANR-07-NANO-011-05, ANR-10-BLAN-xxx-xx]
  2. Institut de Physique Fondamentale de Bordeaux

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We investigate the Andreev reflection process in high-mobility HgTe/CdTe quantum wells. We find that Andreev conductance probes the dynamics of massive 2+1 Dirac fermions, and that both specular Andreev reflection and retroreflection can be realized even in presence of a large mismatch between the Fermi wavelengths at the two sides of the normal/superconducting junction.

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