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  • 1
    Electronic Resource
    Electronic Resource
    Erratum: "Finite-dimensional irreducible representations of the SU(3/1) superalgebra'' [J. Math. Phys. 30, 719 (1989)] (1991)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 32 (1991), S. 1109-1109 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.529336
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Finite-dimensional irreducible representations of the SU(3/1) superalgebra (1989)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 30 (1989), S. 719-731 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The SU(3/1) superalgebra is constructed using Schwinger's harmonic oscillator technique. Finite-dimensional irreducible representations of the superalgebra are obtained choosing a suitable weight Ψm, which will be called the maximal weight, using the commutation relations of the superalgebra only and without any knowledge of the matrix elements of the generators of the superalgebra. Atypical representations of the superalgebra are obtained and a comparison of these representations is made with finite-dimensional irreducible representations of SU(4).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.528388
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  • 3
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    A generalized Poisson solver for first-principles device simulations (2016)
    American Institute of Physics (AIP)
    Details
    Publication Date: 2016-01-30
    Description: Electronic structure calculations of atomistic systems based on density functional theory involve solving the Poisson equation. In this paper, we present a plane-wave based algorithm for solving the generalized Poisson equation subject to periodic or homogeneous Neumann conditions on the boundaries of the simulation cell and Dirichlet type conditions imposed at arbitrary subdomains. In this way, source, drain, and gate voltages can be imposed across atomistic models of electronic devices. Dirichlet conditions are enforced as constraints in a variational framework giving rise to a saddle point problem. The resulting system of equations is then solved using a stationary iterative method in which the generalized Poisson operator is preconditioned with the standard Laplace operator. The solver can make use of any sufficiently smooth function modelling the dielectric constant, including density dependent dielectric continuum models. For all the boundary conditions, consistent derivatives are available and molecular dynamics simulations can be performed. The convergence behaviour of the scheme is investigated and its capabilities are demonstrated.
    Print ISSN: 0021-9606
    Electronic ISSN: 1089-7690
    Topics: Chemistry and Pharmacology , Physics
    Published by American Institute of Physics (AIP)
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