Approximate TD-dCC ansatzes from truncated BCH expansions reproduce exact many-body spectral features and quasiparticle weights on the Anderson model, H2O, and CH4, with a complementary fault-tolerant quantum algorithm for core-hole dynamics.
This construction introduces additional non-linear terms that may hinder stable nu- merical time propagation
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Elucidating Many-Body Effects in Molecular Core Spectra through Real-Time Approaches: Efficient Classical Approximations and a Quantum Perspective
Approximate TD-dCC ansatzes from truncated BCH expansions reproduce exact many-body spectral features and quasiparticle weights on the Anderson model, H2O, and CH4, with a complementary fault-tolerant quantum algorithm for core-hole dynamics.