نتایج جستجو برای: effective hamiltonian

تعداد نتایج: 713016  

Journal: :Physical review 2021

We extend previous work concerning rest-frame partial-wave mixing in Hamiltonian effective field theory to both elongated and moving systems, where two particles are a periodic cube or have nonzero total momentum, respectively. also consider the combination of systems when directions elongation momentum aligned. This extension should be applicable any formalism. As demonstration, we analyze lat...

Journal: :Journal of High Energy Physics 2023

A bstract Understanding the spin structure of hadrons in small x regime is an important direction to unravel puzzle hadronic physics. To include degrees freedom requires going beyond usual eikonal approximation high energy QCD. We developed effective Hamiltonian approach study related observables using shockwave formalism. The small- incorporates both quark and gluon propagators background fiel...

H Khouzestani, S A Ketabi,

A numerical study is presented to investigate the electronic transport properties through a synthetic DNA molecule based on a quasiperiodic arrangement of its constituent nucleotides. Using a generalized Green's function technique, the electronic conduction through the poly(GACT)-poly(CTGA) DNA molecule in a metal/DNA/metal model structure has been studied. Making use of a renormalization schem...

2008
C. P. Viazminsky

We decompose the Hilbert space of wave functions into two subspaces, and assign to a given observable two effective representatives that act in the model space. The first serves to determine some of the eigen-values of the full observable, while the second serves to determine its matrix elements, in any basis in one of the subspaces, in terms of quantities pertaining to the model space. We also...

Journal: :Journal of the Physical Society of Japan 2012

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