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RESEARCH PRODUCT
Electron-hole duality and vortex rings in quantum dots
Stephanie ReimannM. KoskinenM. ManninenMaria TorebladYongle Yusubject
PhysicsCondensed Matter - Mesoscale and Nanoscale PhysicsCondensed matter physicsStrongly Correlated Electrons (cond-mat.str-el)General Physics and AstronomyDuality (optimization)FOS: Physical sciencesElectron holeFermionMagnetic fieldVortex ringVortexCondensed Matter - Strongly Correlated ElectronsQuantum dotQuantum mechanicsMesoscale and Nanoscale Physics (cond-mat.mes-hall)Quantum tunnellingdescription
In a quantum-mechanical system, particle-hole duality implies that instead of studying particles, we can get equivalent information by studying the missing particles, the so-called holes. Using this duality picture for rotating fermion condensates the vortices appear as holes in the Fermi see. Here we predict that the formation of vortices in quantum dots at high magnetic fields causes oscillations in the energy spectrum which can be experimentally observed using accurate tunnelling spectroscopy. We use the duality picture to show that these oscillations are caused by the localisation of vortices in rings.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2004-10-25 |