Phys. Rev. Lett. 99, 123602 (2007) [4 pages]Mesoscopic Superposition States in Relativistic Landau LevelsReceived 27 June 2007; published 18 September 2007 We show that a linear superposition of mesoscopic states in relativistic Landau levels can be built when an external magnetic field couples to a relativistic spin 1/2 charged particle. Under suitable initial conditions, the associated Dirac equation produces unitarily superpositions of coherent states involving the particle orbital quanta in a well-defined mesoscopic regime. We demonstrate that these mesoscopic superpositions have a purely relativistic origin and disappear in the nonrelativistic limit. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.99.123602
DOI:
10.1103/PhysRevLett.99.123602
PACS:
42.50.Pq, 03.65.Pm, 03.67.−a, 42.50.Dv
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