Charged vortices in superfluid systems with pairing of spatially separated carriers

2002/09/19 by S. I. Shevchenko
Physics and Astronomy · #Atomic physics #Bohr radius #Charge (physics) #Condensed matter physics #Electron #Magnetic field #Pairing #Physics #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Quantum mechanics #Quantum, superfluid, helium dynamics #RADIUS #Superconductivity #Superfluidity #Vortex #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevb.67.214515

4 pages

arxiv created 2002/09/19 · openalex publication_date 2003/06/19 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

It is shown that in a magnetic field the vortices in superfluid electron-hole systems carry a real electrical charge. The charge value depends on the relation between the magnetic length l_B and the Bohr radius of electrons a_B^e and holes a_B^h. In double-layer systems at filling factors \ensuremathν_e=\ensuremathν_h=\ensuremathν and for a_B^e,a_B^h\ensuremath≫l_B the vortex charge is equal to the universal value \ensuremathνe.

Citations

• Anomalous Quantum Hall Effect: An Incompressible Quantum Fluid with Fractionally Charged Excitations
• Observation of Quantized Hall Drag in a Strongly Correlated Bilayer Electron System
• Quantum Ferromagnetism and Phase Transitions in Double-Layer Quantum Hall Systems
• Resonantly Enhanced Tunneling in a Double Layer Quantum Hall Ferromagnet