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Quantum Chemistry
Low-rank decomposition for quantum simulations with complex basis functions
arXiv
Authors: Michael P. Kaicher
Year
2021
Paper ID
61421
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
Low-rank decompositions to reduce the Coulomb operator to a pairwise form suitable for its quantum simulation are well-known in quantum chemistry, where the underlying basis functions are real-valued. We generalize the result of Motta et al. [arXiv:1808.02625] to complex basis functions ψp\(mathbf r\)inmathds C by means of the Schur decomposition and decomposing matrices into their symmetric and anti-symmetric components. This allows the application of low-rank decomposition strategies to general basis sets.
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- Low-rank decompositions to reduce the Coulomb operator to a pairwise form suitable for its quantum simulation are well-known in quantum chemistry, where the underlying basis...
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