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Plasma confined ground and excited state Helium atom: a comparison theorem study using variational Monte Carlo and Lagrange mesh method
The energy eigenvalues of the ground state helium atom and lowest two excited states
corresponding to the configurations 1s2s embedded in the plasma environment using …
corresponding to the configurations 1s2s embedded in the plasma environment using …
VMC optimization of ultra-compact, explicitly-correlated wave functions of the Li isoelectronic sequence in its lowest 1s2s2p quartet state
DJ Nader, BM Rubenstein - Chemical Physics Letters, 2024 - Elsevier
A compact yet accurate approach for representing the wave functions of members of the He
and Li isoelectronic series is using explicitly correlated wave functions. These wave …
and Li isoelectronic series is using explicitly correlated wave functions. These wave …
Ultra‐compact accurate wave functions for He‐like and Li‐like iso‐electronic sequences and variational calculus: II. Spin‐singlet (excited) and spin‐triplet (lowest) …
As a continuation of Part I (Int. J. Quantum Chem. 2021; 121: qua. 26586), dedicated to the
ground state of He‐like and Li‐like isoelectronic sequences for nuclear charges Z≤ 20, a …
ground state of He‐like and Li‐like isoelectronic sequences for nuclear charges Z≤ 20, a …
Two-and three-particle complexes with logarithmic interaction: Compact wave functions for two-dimensional excitons and trions
Assuming a logarithmic interaction between constituent particles, compact and locally
accurate wave functions that describe bound states of the two-particle neutral, and three …
accurate wave functions that describe bound states of the two-particle neutral, and three …
The role of the Jastrow factor towards the correct estimate of the finite-mass correction
DJ Nader, G Rodriguez-Espejo - Chemical Physics Letters, 2025 - Elsevier
Compact wave functions with explicit correlation are capable of recovering more than
seventy percent of the correlation energy of few-electron atoms while some constraints can …
seventy percent of the correlation energy of few-electron atoms while some constraints can …
The weakly bound states in Gaussian wells: From the binding energy of deuteron to the electronic structure of quantum dots
G Rodriguez‐Espejo, DJ Nader… - … Journal of Quantum …, 2024 - Wiley Online Library
Gaussian potentials serve as a valuable tool for the comprehensive modeling of short‐range
interactions, spanning applications from Nuclear Physics to the artificial confinement of …
interactions, spanning applications from Nuclear Physics to the artificial confinement of …
Ground state energies of helium-like ions using a simple parameter-free matrix method
This study aims to use hydrogenic orbitals within an analytic and numeric parameter-free
truncated-matrix method to solve the projected Schrödinger equation of some Helium-like …
truncated-matrix method to solve the projected Schrödinger equation of some Helium-like …
[PDF][PDF] Расчеты релятивистских, корреляционных, ядерных и квантово-электродинамических поправок к энергиям и потенциалам ионизации основного …
СВ Безбородов, ИИ Тупицын, АВ Малышев… - Оптика и …, 2022 - grant.rscf.ru
Рассчитаны все ведущие вклады в значения релятивистских полных энергий и
потенциалов ионизации основного состояния литиеподобных ионов с зарядом ядра в …
потенциалов ионизации основного состояния литиеподобных ионов с зарядом ядра в …
Ultra‐compact accurate wave functions for He‐like and Li‐like iso‐electronic sequences and variational calculus: III. Spin‐quartet state (1s2s3s) of the lithium …
D Julian Nader, JC del Valle… - … Journal of Quantum …, 2022 - Wiley Online Library
As a continuation of Part I, dedicated to the ground state of He‐like and Li‐like isoelectronic
sequences for nuclear charges Z≤ 20, and Part II, dedicated to two excited states of He‐like …
sequences for nuclear charges Z≤ 20, and Part II, dedicated to two excited states of He‐like …
The Feshbach-Schur map and perturbation theory
This paper deals with perturbation theory for discrete spectra of linear operators. To simplify
exposition, we consider here self-adjoint operators. This theory is based on the Feshbach …
exposition, we consider here self-adjoint operators. This theory is based on the Feshbach …