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quant-ph2026
Selected Stabilizer Subspaces for Compact Many-Body Wave Functions
Maria-Andreea Filip, George H. Booth
Selected configuration interaction (SCI) obtains accurate many-body solutions by variationally diagonalising the Hamiltonian in a sparse, iteratively selected set of configurations…
physics.chem-ph2026
Low-rank compression of two-electron reduced density matrices
Kemal Atalar, Hugh G. A. Burton, Andreas Grüneis +1
Two-body reduced density matrices (2RDMs) encode the essential two-electron physics of electronic states, but their quartic storage cost poses a major limitation in practical workf…