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quant-ph2026
Toward Resilient Many-Body Formulations under Incomplete Correlation Models: A Dual-Space Variational Formulation
Vibin Abraham, Bhumika Jayee, Bo Peng +2
Quantum simulations of correlated many-body systems will inevitably operate with imperfect information: the prepared states may arise from incomplete or approximate ansatze, while…
physics.chem-ph2026
Structured High-Angular-Momentum Coulomb Tensors from Real and Complex Solid-Harmonic Integral Engines: A Perspective
Bo Peng
Electron-repulsion integrals describe the Coulomb interaction between charge distributions built from orbital basis functions. Most integral algorithms generate these quantities th…
quant-ph2026
Compile-once block encodings for masked similarity-transformed effective Hamiltonians
Bo Peng, Yuan Liu, Karol Kowalski
We present COMPOSER, a compile-once modular parametric oracle for similarity-encoded effective reduction of electronic-structure operators (e.g., Schrieffer-Wolff-type construction…