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  • 73.20.Dx  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    A comparison of confining potentials in the quantum wire problem (1993)
    Springer
    Applied physics 56 (1993), S. 127-131 
    Details
    ISSN: 1432-0630
    Keywords: 73.20.Dx ; 73.50.Bk ; 72.10.Bg
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract A simple numerical method for solving a two-terminal quantum electronic waveguide problem is presented. The method can be adapted to a quantum wire cavity of irregular geometry and/or non-constant potential field. We compare the circular bend wire with parabolic confining potential profile to the commonly used hard wall confinement. We find an energy scaling which makes the results correspond closely.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00517679
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Validity of the transfer-matrix method for a two-dimensional electron waveguide (1994)
    Springer
    Applied physics 58 (1994), S. 581-587 
    Details
    ISSN: 1432-0630
    Keywords: 72.10 - d ; 73.20.Dx
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract We solve the singularity problem of the transfer matrix method for a two-dimensional electron wave guide consisting of a sequence of cells. The method is reformulated in terms of intrinsic Bloch waves of a device cell. The resulting method is proved to be both stable and accurate. The transfer matrix is formulated without divergence problems in the open-mode approximation. The formula relating the N-cell transmission probability with that of one cell in the single-mode approximation takes exactly the same form as in the one-dimensional case.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00348169
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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