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Magnetic strip waveguides
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SYSNO ASEP 0185105 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Magnetic strip waveguides Author(s) Exner, Pavel (UJF-V) RID, ORCID, SAI
Kovařík, Hynek (UJF-V)Source Title Journal of Physics. A - Mathematical and General Physics - ISSN 0305-4470
Roč. 33, - (2000), s. 3297-3311Number of pages 15 s. Language eng - English Country GB - United Kingdom Subject RIV BE - Theoretical Physics R&D Projects IAA1048801 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) Annotation We analyze the spectrum of the "local" Iwatsuka model, i.e.a two-dimensional charged particle interacting with a magnetic field which is homogeneous outside a finite strip and translationally invariant along it. We derive two new sufficient conditions for absolute continuity of the spectrum. Wealso show that in most cases the number of open spectral gaps of the model is finite. To illustrate these results we investigate numerically the situation when the field is zeroin the strip being screened, e.g., by a superconducting mask. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2001
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