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

Are current-induced forces conservative?

M Di Ventra1, Y-C Chen, T N Todorov

  • 1Department of Physics, University of California-San Diego, La Jolla, CA 92093-0319, USA. diventra@physics.ucsd.edu

Physical Review Letters
|June 1, 2004
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

Hypoxia-Inducible Factor-1alpha/BNIP3-Mediated Mitochondrial Autophagy in Septic Cardiomyopathy: Protective Mechanism for Cardiac Function.

Physiological research·2026
Same author

Observation of In-Ice Askaryan Radiation from High-Energy Cosmic Rays.

Physical review letters·2026
Same author

Efficient and High-Fidelity Entanglement in Cavity QED without High Cooperativity.

Physical review letters·2026
Same author

Prognostic score models for acquired resistance to frontline anti-programmed cell death protein 1/programmed death-ligand 1 therapy in metastatic non-small-cell lung cancer.

ESMO real world data and digital oncology·2026
Same author

On the solvable-unsolvable transition due to noise-induced chaos in digital memcomputing.

Chaos (Woodbury, N.Y.)·2026
Same author

Temporal and Notch identity determine neuropil targeting depth and synapse location in the fly visual system.

bioRxiv : the preprint server for biology·2025
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

Current-induced forces on ions are explored, questioning their conservative nature. Physical mechanisms and first-principles calculations suggest these forces may not be conservative, advancing the fundamental understanding of ion dynamics in currents.

Area of Science:

  • Condensed matter physics
  • Computational materials science
  • Physical chemistry

Background:

  • The nature of forces acting on ions in the presence of electric currents is a subject of ongoing debate.
  • While some theoretical frameworks suggest these forces are conservative, others present counterarguments.
  • Understanding the conservative or non-conservative nature of current-induced forces is crucial for predicting ion behavior in materials.

Purpose of the Study:

  • To investigate the conservative character of forces acting on ions within an electric current.
  • To propose and validate physical mechanisms that challenge existing arguments suggesting these forces are conservative.
  • To advance the fundamental understanding of current-induced forces in materials.

Main Methods:

Related Experiment Videos

  • Derivation of the force expression from first principles without assuming conservative character.
  • Construction of energy functionals to explore potential-based force descriptions.
  • Development and application of physical mechanisms to invalidate counterarguments.
  • Validation using first-principles calculations.

    • Main Results:

    • The study presents physical mechanisms that challenge the notion of conservative current-induced forces.
    • First-principles calculations demonstrate the existence of these proposed mechanisms.
    • The findings indicate that current-induced forces may not be conservative, contrary to some theoretical suggestions.
    • While not a formal resolution, the results represent significant progress in the field.

    Conclusions:

    • The research provides strong evidence against the universal conservative nature of current-induced forces on ions.
    • Proposed physical mechanisms, supported by first-principles calculations, offer new insights into ion dynamics under current.
    • This work moves closer to resolving the fundamental question of whether current-induced forces are conservative.