Quantum rings for beginners II: Bosons versus fermions
| Autor: | Susanne Viefers, M. Manninen, Stephanie Reimann |
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| Rok vydání: | 2012 |
| Předmět: |
Condensed Matter::Quantum Gases
Physics Condensed Matter - Mesoscale and Nanoscale Physics Continuum (measurement) FOS: Physical sciences Small systems Fermion Condensed Matter Physics Atomic and Molecular Physics and Optics Spectral line Electronic Optical and Magnetic Materials Theoretical physics Lattice (order) Quantum mechanics Mesoscale and Nanoscale Physics (cond-mat.mes-hall) Quantum Boson |
| Zdroj: | Physica E: Low-dimensional Systems and Nanostructures. 46:119-132 |
| ISSN: | 1386-9477 |
| Popis: | The purpose of this overview article, which can be viewed as a supplement to our previous review on quantum rings, [S. Viefers {\it et al}, Physica E {\bf 21} (2004), 1-35], is to highlight the differences of boson and fermion systems in one-dimensional (1D) and quasi-one-dimensional (Q1D) quantum rings. In particular this involves comparing their many-body spectra and other properties, in various regimes and models, including spinless and spinful particles, finite versus infinite interaction, and continuum versus lattice models. Our aim is to present the topic in a comprehensive way, focusing on small systems where the many-body problem can be solved exactly. Mapping out the similarities and differences between the bosonic and fermionic cases is of renewed interest due to the experimental developments in recent years, allowing for more controlled fabrication of both fermionic and bosonic quantum rings. 33 pages, 14 figures. Physica E, in press |
| Databáze: | OpenAIRE |
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