PASPT2 is a linearized multi-reference perturbation theory that achieves strict size-extensivity and size-consistency for strongly correlated electrons by using a reference-specific zeroth-order Hamiltonian to eliminate disconnected terms.
Title resolution pending
2 Pith papers cite this work. Polarity classification is still indexing.
2
Pith papers citing it
years
2025 2verdicts
UNVERDICTED 2representative citing papers
Hardware simulations show molecular energies remain size-consistent within chemical accuracy for up to 118 H2 subsystems with one-qubit unitaries and 71 with two-qubit unitaries.
citing papers explorer
-
PASPT2: a size-extensive and size-consistent partial-active-space multi-state multi-reference second-order perturbation theory for strongly correlated electrons
PASPT2 is a linearized multi-reference perturbation theory that achieves strict size-extensivity and size-consistency for strongly correlated electrons by using a reference-specific zeroth-order Hamiltonian to eliminate disconnected terms.
-
Size-Consistent Quantum Chemistry on Quantum Computers
Hardware simulations show molecular energies remain size-consistent within chemical accuracy for up to 118 H2 subsystems with one-qubit unitaries and 71 with two-qubit unitaries.