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Quantum Simulation Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations Quantum State Preparation Representation

Unified view on linear response of interacting identical and distinguishable particles from multiconfigurational time-dependent Hartree methods

arXiv
Authors: Ofir E. Alon, Alexej I. Streltsov, Lorenz S. Cederbaum

Year

2013

Paper ID

32842

Status

Preprint

Abstract Read

~2 min

Abstract Words

80

Citations

N/A

Abstract

A unified view on linear response of interacting systems utilizing multicongurational time-dependent Hartree methods is presented. The cases of one-particle and two-particle response operators for identical particles and up to all-system response operators for distinguishable degrees-of-freedom are considered. The working equations for systems of identical bosons (LR-MCTDHB) and identical fermions (LR-MCTDHF), as well for systems of distinguishable particles (LR-MCTDH) are explicitly derived. These linear-response theories provide numerically-exact excitation energies and system's properties, when numerical convergence is achieved in the calculations.

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  • A unified view on linear response of interacting systems utilizing multicongurational time-dependent Hartree methods is presented.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1309.1893 [2] arXiv https://arxiv.org/abs/1309.1893 [3] Publisher https://arxiv.org/abs/1309.1893

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