Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Interaction-induced renormalization of Andreev reflection.

M Titov1, M Müller, W Belzig

  • 1Department of Physics, University of Konstanz, D-78457 Konstanz, Germany.

Physical Review Letters
|February 7, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Membrane insertion of the mannitol permease of Escherichia coli occurs under conditions of impaired SecA function.

The Journal of biological chemistry·1992
Same author

Transgenic pigs carrying cDNA copies encoding the murine Mx1 protein which confers resistance to influenza virus infection.

Gene·1992
Same author

Low molecular weight, non-peptide fibrinogen receptor antagonists.

Journal of medicinal chemistry·1992
Same author

Light microscopical demonstration of non-specific alkaline phosphatase activity with an incubation medium containing cerium and two calcium as the capturing agents. The cerium/calcium-hydrogen peroxide-P-phenylenediamine/pyrocatechol (Ce/Ca-H2O2-PPD/PC) double capture technique.

Cellular and molecular biology (Noisy-le-Grand, France)·1992
Same author

Structure and function of the cochlea in the African mole rat (Cryptomys hottentotus): evidence for a low frequency acoustic fovea.

Journal of comparative physiology. A, Sensory, neural, and behavioral physiology·1992
Same author

ConA induced changes in energy metabolism of rat thymocytes.

Bioscience reports·1992
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

We studied electron transport between a 1D gas and a superconductor using a scaling approach. Andreev reflection strongly affects the interface, explaining conductance suppression in carbon nanotube junctions.

Area of Science:

  • Condensed Matter Physics
  • Quantum Transport

Background:

  • Understanding charge transport at the interface between normal conductors and superconductors is crucial for quantum device applications.
  • Andreev reflection, a key phenomenon at such interfaces, involves the reflection of an electron as a hole and the transmission of a Cooper pair into the superconductor.

Purpose of the Study:

  • To analyze charge transport in a one-dimensional weakly interacting electron gas coupled to a superconductor.
  • To investigate the role of Andreev reflection and its energy dependence on transport properties.
  • To explain experimental observations of conductance suppression in carbon nanotube/superconductor junctions.

Main Methods:

  • Utilized the scaling approach within the basis of scattering states.
  • Derived renormalization group equations to account for the intrinsic energy dependence of Andreev reflection.

Related Experiment Videos

  • Analyzed the impact of electron-electron interactions on charge transport.

    • Main Results:

    • Predicted a strong renormalization of the Andreev reflection phase, even for highly transparent interfaces.
    • Demonstrated that interaction-induced suppression of Andreev conductance is sensitive to normal-state resistance.
    • Provided a theoretical explanation for experimental results on carbon-nanotube/superconductor junctions.

    Conclusions:

    • The interplay between electron interactions and Andreev reflection significantly modifies charge transport properties.
    • The normal-state resistance plays a critical role in the suppression of Andreev conductance.
    • The developed theoretical framework offers a viable explanation for experimental findings in mesoscopic superconductor-normal metal systems.