Review of experimental and theoretical research on positronium ions and molecules

M Emami-Razavi, JW Darewych - The European Physical Journal D, 2021 - Springer
In this review we discuss the status of the research for the three-body positronium negative
ion (Ps^-Ps-, e^-e^+ e^-e-e+ e-) and the four-body positronium molecule (Ps _ 2 Ps 2, e …

Retardation Effects and Virtual Annihilation Interactions in Relativistic Three-body Systems

M Emami-Razavi, S Asgary - International Journal of Theoretical Physics, 2018 - Springer
The Hamiltonian formalism of quantum field theory and the variational methods in a
reformulated model have been used to investigate the influence of retardation effects or …

A short review about some exotic systems containing electrons, muons, and tauons

M Emami-Razavi - Journal of Theoretical and Applied Physics, 2015 - Springer
Some remarks about exotic systems consisting of various masses of fermions and
antifermions have been presented. In paricular, few body systems containing electrons …

Upper and Lower Bound States for Zero Dimensional Space in Scalar Quantum Field Theory

M Emami-Razavi - International Journal of Theoretical Physics, 2021 - Springer
The varational method with the Hamiltonian formalism of quantum field theory (QFT) is used
to study the bound state for scalar particle and antiparticle (bosons with spin 0) in a …

Four-Body Bound-States Systems in Relativistic Scalar Quantum Field Theory: Variational Basis-State Approach

M Emami-Razavi, M Kowalski, S Asgary - International Journal of …, 2018 - Springer
The variational method within the Hamiltonian formalism of quantum field theory has been
used in order to investigate the effect of virtual pairs for four-body scalar systems consisting …

Study of virtual annihilation and retardation effects in relativistic two-, four-, and six-body wave equations in scalar QFT

M Emami-Razavi, S Asgary - Journal of Theoretical and Applied Physics, 2017 - Springer
The variational method within the Hamiltonian formalism of QFT using Darewych
reformulated model has been used for scalar particles and antiparticles interacting through a …

Some Remarks About Virtual Annihilation Interactions in Relativistic n-Body Wave Equations in QED

M Emami-Razavi - International Journal of Theoretical Physics, 2020 - Springer
The existence of entities consisting of electrons and positrons was predicted in 1946 by JA
Wheeler and he called them polyelectrons. The simplest bound-state is called positronium …

Comparing relativistic three-body wave equations with non-relativistic bound-states results in scalar QFT

M Emami-Razavi - International Journal of Theoretical Physics, 2020 - Springer
We use the variational method in a reformulated model of quantum field theory to compare
the three-body relativistic wave equations with non-relativistic equations for our scalar …

A SHORT REVIEW ABOUT SOME EXOTIC SYSTEMS CONTAINING ELECTRONS, MUONS, AND TAUONS (REVIEW REPORT)

RM EMAMI - 2015 - sid.ir
Some remarks about EXOTIC SYSTEMS consisting of various masses of fermions and
antifermions have been presented. In paricular, few body systems containing electrons …