Study of relativistic bound states for scalar theories in the Bethe-Salpeter and Dyson-Schwinger formalism
V Šauli, J Adam Jr - Physical Review D, 2003 - APS
Abstract The Bethe-Salpeter equation for Wick-Cutkosky-like models is solved in the
dressed ladder approximation. The bare vertex truncation of the Dyson-Schwinger …
dressed ladder approximation. The bare vertex truncation of the Dyson-Schwinger …
Stability of the scalar interaction
A scalar field theory with a χ† χ φ interaction is known to be unstable. Yet it has been used
frequently without any sign of instability in standard textbook examples and research …
frequently without any sign of instability in standard textbook examples and research …
Size effects on the thermodynamic behavior of a simplified generalized scalar Yukawa model
LM Abreu, ES Nery, APC Malbouisson - Physical Review D, 2015 - APS
We analyze the thermodynamic behavior of the generalized scalar Yukawa model,
composed of a complex scalar field interacting with scalar and vector fields. Finite-size …
composed of a complex scalar field interacting with scalar and vector fields. Finite-size …
[HTML][HTML] Thermodynamic behavior of the generalized scalar Yukawa model in a magnetic background
LM Abreu, APC Malbouisson, JMC Malbouisson… - Nuclear Physics B, 2014 - Elsevier
We study the thermodynamic behavior of the generalized scalar Yukawa model, composed
of a complex scalar field interacting with scalar and vector fields. Thermal effects are treated …
of a complex scalar field interacting with scalar and vector fields. Thermal effects are treated …
Variational two-fermion wave equations in quantum electrodynamics: Muoniumlike systems
AG Terekidi, JW Darewych - Journal of mathematical physics, 2005 - pubs.aip.org
We consider a reformulation of quantum electrodynamics in which covariant Green functions
are used to solve for the electromagnetic field in terms of the fermion fields. The resulting …
are used to solve for the electromagnetic field in terms of the fermion fields. The resulting …
Relativistic wave equations of combined three particles and three antiparticles in scalar quantum field theory
The recent observation of a positronium molecule (e− e+ e− e+) by Cassidy and Mills (DB
Cassidy and AP Mills 2007 Nature (London) 449 195) raises interest in other (fermionic) …
Cassidy and AP Mills 2007 Nature (London) 449 195) raises interest in other (fermionic) …
Relativistic two-, three-and four-body wave equations in scalar QFT
M Emami-Razavi, JW Darewych - Journal of Physics G: Nuclear …, 2005 - iopscience.iop.org
We use the variational method within the Hamiltonian formalism of QFT to derive relativistic
two-, three-and four-body wave equations for scalar particles interacting via a massive or …
two-, three-and four-body wave equations for scalar particles interacting via a massive or …
Variational derivation of relativistic fermion–antifermion wave equations in QED
AG Terekidi, JW Darewych - Journal of Mathematical Physics, 2004 - pubs.aip.org
We present a variational method for deriving relativistic two-fermion wave equations in a
Hamiltonian formulation of QED. A reformulation of QED is performed, in which covariant …
Hamiltonian formulation of QED. A reformulation of QED is performed, in which covariant …
Relativistic wave equations of n-body systems of particles and antiparticles of various masses in scalar quantum field theory
A generalization of the scalar Yukawa model to include many'flavors' of scalar particles and
antiparticles is considered. The variational method within the Hamiltonian formalism of …
antiparticles is considered. The variational method within the Hamiltonian formalism of …
Nonperturbative dynamics of scalar field theories through the Feynman-Schwinger representation
We present a summary of results obtained for scalar field theories usingt he Feynman-
Schwinger (FSR) approach. Specifically, scalar QED and X 2 φ theories are considered. The …
Schwinger (FSR) approach. Specifically, scalar QED and X 2 φ theories are considered. The …