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    Title: Fractional fermion number in a (1+1)-dimensional Dirac equation with a scalar Coulomb field
    Authors: Ho, Choon-lin;Khalilov, V. R.
    Contributors: 淡江大學物理學系
    Date: 2001-01
    Issue Date: 2013-07-09 15:14:03 (UTC+8)
    Publisher: College Park: American Physical Society
    Abstract: An elementary example of fermion number fractionalization is given. The model considered is a massive Dirac fermion moving on the positive halfline in an external scalar Coulomb field. The theory is symmetric under charge conjugation. We demonstrate the existence of a nondegenerate, normalizable, and self-charge-conjugate zero energy solution in the theory. The vacuum thus has a fermion number ±1/2 depending on whether the lowest positive energy state without the external scalar field was filled or empty.
    Relation: Physical Review D (Particles and Fields) 63(2), 27701(2pages)
    DOI: 10.1103/PhysRevD.63.027701
    Appears in Collections:[物理學系暨研究所] 期刊論文

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