Algebraic diagrammatic construction schemes employing the intermediate state formalism: Theory, capabilities, and interpretation

A Dreuw, A Papapostolou… - The Journal of Physical …, 2023 - ACS Publications
Algebraic diagrammatic construction (ADC) schemes represent a family of ab initio methods
for the calculation of excited electronic states and electron-detached and-attached states. All …

Use of cluster expansion methods in the open-shell correlation problem

D Mukherjee, S Pal - Advances in Quantum Chemistry, 1989 - Elsevier
Publisher Summary This chapter discusses the developments of the open-shell many-body
cluster expansion theories. Interpretation of most of the spectroscopic and dynamical …

A critical assessment of coupled cluster method in quantum chemistry

J Paldus, X Li - Advances in Chemical Physics, 1999 - books.google.com
Abstract I. Introduction A. Historical Outline B. Scope of the Review II. Methodology A. Basic
Notation: Second vs. First Quantization B. Many-Body Perturbation Theory (MBPT): Origins …

Quantum simulation of molecular response properties in the NISQ Era

A Kumar, A Asthana, V Abraham… - Journal of Chemical …, 2023 - ACS Publications
Accurate modeling of the response of molecular systems to an external electromagnetic field
is challenging on classical computers, especially in the regime of strong electronic …

Quantum self-consistent equation-of-motion method for computing molecular excitation energies, ionization potentials, and electron affinities on a quantum computer

A Asthana, A Kumar, V Abraham, H Grimsley… - Chemical …, 2023 - pubs.rsc.org
Near-term quantum computers are expected to facilitate material and chemical research
through accurate molecular simulations. Several developments have already shown that …

New perspectives on unitary coupled‐cluster theory

AG Taube, RJ Bartlett - International journal of quantum …, 2006 - Wiley Online Library
The advantages and possibilities of a unitary coupled‐cluster (CC) theory are examined. It is
shown that using a unitary parameterization of the wave function guarantees agreement …

Exact relationships between the GW approximation and equation-of-motion coupled-cluster theories through the quasi-boson formalism

J Tölle, G Kin-Lic Chan - The Journal of Chemical Physics, 2023 - pubs.aip.org
We describe the relationship between the GW approximation and various equation-of-
motion (EOM) coupled-cluster (CC) theories. We demonstrate the exact equivalence of the G …

Quantum Equation of Motion with Orbital Optimization for Computing Molecular Properties in Near-Term Quantum Computing

PWK Jensen, ER Kjellgren, P Reinholdt… - Journal of Chemical …, 2024 - ACS Publications
Determining the properties of molecules and materials is one of the premier applications of
quantum computing. A major question in the field is how to use imperfect near-term quantum …

Electron-affinity time-dependent density functional theory: Formalism and applications to core-excited states

K Carter-Fenk, LA Cunha… - The Journal of …, 2022 - ACS Publications
The lack of particle–hole attraction and orbital relaxation within time-dependent density
functional theory (TDDFT) lead to extreme errors in the prediction of K-edge X-ray …

Algebraic propagator approaches and intermediate-state representations. I. The biorthogonal and unitary coupled-cluster methods

F Mertins, J Schirmer - Physical Review A, 1996 - APS
As a general common concept, underlying diverse methods used to compute generalized
electronic excitations in atoms and molecules, intermediate-state representations (ISR's) …