Paul Johnson

Professeur Agrégé

Laval University

Canada

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Paul Johnson is a Professeur Agrégé at Université Laval, Canada. His research areas include strong correlation in quantum mechanics, reaction mechanisms in organic chemistry, and the development of computational tools for chemical modeling. Recent publications highlight his work on Richardson–Gaudin states, the synthesis of pyran analogues, and the applications of perturbation theory in complex systems.

Articles (18)

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2025

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2025

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2025

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2025

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2024

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2024

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2024

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2023

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2022

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2022

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2022

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2022

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2022

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2021

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2021

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2021

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2020

Collaborators (4)

Guillaume Bélanger-Chabot

Assistant Professor (Prof. Adjoint)

Laval University

CANADA

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Stijn De Baerdemacker

Associate Professor & Canada Research Chair Tier 2

University of New Brunswick

CANADA

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William Adams

Teaching Assistant

McMaster University

CANADA

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Ian Hill

Professor

Dalhousie University

CANADA

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Paul Johnson

Research Interests

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About

Articles (18)

Richardson–Gaudin states of non-zero seniority. II. Single-reference treatment of strong correlation

Richardson–Gaudin states of non-zero seniority: Matrix elements

The Mechanism of the Cycloaddition of Substituted Ketenes to Cyclopentadiene Based on the Bent Bond/Antiperiplanar Hypothesis Orbital Model

Nitro and nitritosilanes: do they and can they exist?

ModelHamiltonian: A Python-scriptable library for generating 0-, 1-, and 2-electron integrals

Synthesis and conformational analysis of pyran inter-halide analogues of ᴅ-talose

Beyond a Richardson–Gaudin Mean-Field: Slater–Condon Rules and Perturbation Theory

Single Reference Treatment of Strongly Correlated H4 and H10 Isomers with Richardson–Gaudin States

Bivariational principle for an antisymmetrized product of nonorthogonal geminals appropriate for strong electron correlation

Reduced density matrices/static correlation functions of Richardson–Gaudin states without rapidities

Pertubative corrections for Hartree-Fock-like algebraic Bethe ansatz analogue

Density matrices of seniority-zero geminal wavefunctions

Near-exact treatment of seniority-zero ground and excited states with a Richardson–Gaudin mean-field

Fundamental curiosity of multivicinal inter-halide stereocenters

Theoretical Insights into Optoelectronic Properties of Non-Fullerene Acceptors for the Design of Organic Photovoltaics

Transition density matrices of Richardson–Gaudin states

Richardson-Gaudin geminal wavefunctions in a Slater determinant basis

Fluorine effect in nucleophilic fluorination at C4 of 1,6-anhydro-2,3-dideoxy-2,3-difluoro-β-D-hexopyranose

Collaborators (4)

Guillaume Bélanger-Chabot

Stijn De Baerdemacker

William Adams

Ian Hill

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