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

Towards a chemically driven molecular electron pump.

R D Astumian1, I Derényi

  • 1Department of Physics, University of Maine, Orono, Maine 04469-5709, USA. Astumian@Maine.edu

Physical Review Letters
|May 1, 2001
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

Stochastic pumping of non-equilibrium steady-states: how molecules adapt to a fluctuating environment.

Chemical communications (Cambridge, England)·2017
Same author

How molecular motors work - insights from the molecular machinist's toolbox: the Nobel prize in Chemistry 2016.

Chemical science·2017
Same author

Optical vs. chemical driving for molecular machines.

Faraday discussions·2016
Same author

Fatty acid droplet self-division driven by a chemical reaction.

Physical chemistry chemical physics : PCCP·2014
Same author

Intrawell relaxation of overdamped Brownian particles.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
Same author

Efficiency of Brownian heat engines.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
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

Stochastic modulation of gate and portal energies enables efficient electron pumping. This nonadiabatic mechanism offers a new pathway for chemical electron transfer in molecular wires.

Area of Science:

  • Condensed matter physics
  • Molecular electronics
  • Quantum transport

Background:

  • Thouless adiabatic pumping relies on precisely timed, out-of-phase modulation of system parameters.
  • Achieving directed charge transport typically requires specific, controlled energy modulations.

Purpose of the Study:

  • To investigate a novel mechanism for charge pumping using stochastic energy modulation.
  • To explore the potential for nonadiabatic electron pumping in molecular systems.

Main Methods:

  • Stochastic modulation between two configurations of gate and portal energies.
  • Theoretical analysis and experimental validation of the pumping mechanism.

Main Results:

  • Demonstrated efficient charge pumping via stochastic, nonadiabatic modulation.

Related Experiment Videos

  • Showcased a pumping mechanism distinct from the established Thouless adiabatic pumping.

    • Conclusions:

    • Stochastic energy modulation provides an effective route for electron pumping.
    • This nonadiabatic mechanism could form the basis for chemically driven electron pumping in molecular wires.