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Fast Evaluation of Retarded Electromagnetic Potentials for Quantum Calculations | IEEE Conference Publication | IEEE Xplore

Fast Evaluation of Retarded Electromagnetic Potentials for Quantum Calculations


Abstract:

A fast evaluation of retarded electromagnetic potentials is presented for quantum calculations on a uniform Cartesian grid. The induced potentials are incorporated into t...Show More

Abstract:

A fast evaluation of retarded electromagnetic potentials is presented for quantum calculations on a uniform Cartesian grid. The induced potentials are incorporated into the quantum Hamiltonian of the time-dependent density functional theory (TDDFT) in real space. Both Lorentz and Coulomb gauge-fixed Hamiltonians are implemented using a real-time propagation scheme. The efficiency of the resulting formalism and implementation enables the evaluation of retardation effects on long carbon chains.
Date of Conference: 07-12 July 2019
Date Added to IEEE Xplore: 31 October 2019
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Conference Location: Atlanta, GA, USA

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