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Gravitational interaction of fermions

WebOn gravitational interaction of fermions YuriN.Obukhov Department of Theoretical Physics Moscow State University 117234 Moscow, Russia Abstract: We discuss some … WebOn gravitational interaction of fermions YuriN.Obukhov Department of Theoretical Physics Moscow State University 117234 Moscow, Russia Abstract: We discuss some aspects of the gravitational interaction of the relativis-tic quantum particles with spin 1/2. The exact Foldy-Wouthuysen transformation is

On gravitational interaction of fermions - arXiv

WebDec 1, 2016 · Coupling fermions to gravity necessarily leads to a non-renormalizable, gravitational four-fermion contact interaction. In this essay, we argue that augmenting the Einstein–Cartan Lagrangian with suitable kinetic terms quadratic in the gravitational gauge field strengths (torsion and curvature) gives rise to new, massive propagating … WebFeb 15, 2010 · Finally, it is demonstrated that for a particular value of the nonminimal parameter, the kinematics coincides with that of a background-independent SU(2) gauge theory, and the Immirzi parameter becomes the coupling constant of such an interaction between fermions and the gravitational field.}, doi = {10.1103/PHYSREVD.81.044015}, … data feed是什么意思 https://maidaroma.com

Physics - Topological Superconductivity without Superconductors

WebMar 19, 2012 · The four-fermion gravitational interaction is induced by torsion, and gets essential on the Planck scale. On this scale, the axial–axial contribution dominates … WebUsing the quantum theory of linearized gravity, gravitational interaction differential cross sections of one fermion by another fermion, a photon and a scalar particle are calculated in the fermion rest-frame. Then, according to the obtained results, it is shown that in the lab frame, the gravitational interaction depends on the spin of the moving particle and is … WebA composite particle ( hadron) may fall into either class depending on its composition. In particle physics, a fermion is a particle that follows Fermi–Dirac statistics. Generally, it … datafelix

Gravitational four-fermion interaction on the Planck scale

Category:A pilot study on canonical gravity with mass dimension one fermions …

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Gravitational interaction of fermions

On Gravitational Interaction of Fermions - Obukhov

WebNov 8, 2024 · Abstract Using the quantum theory of linearized gravity, gravitational interaction differential cross-sections of one fermion by another fermion, a photon and a scalar particle are calculated in the fermion rest frame. WebSep 1, 2024 · Using the linearized gravity in the weak field regime and applying the quantum field theory prescription, the study of the gravitational interactions of massless fermions (neutrinos) in tree-level ...

Gravitational interaction of fermions

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WebWe discuss some aspects of the gravitational interaction of the relativistic quantum particles with spin 1/2. The exact Foldy‐Wouthuysen transformation is constructed for … WebWe discuss some aspects of the gravitational interaction of the relativistic quantum particles with spin 1/2. The exact Foldy-Wouthuysen transformation is constructed for the …

WebApr 18, 2024 · Using the quantum theory of linearized gravity, gravitational interaction differential cross sections of one fermion by another fermion, a photon and a scalar particle are calculated in the fermion rest-frame. Then, according to the obtained results, it is shown that in the lab frame, the gravitational interaction depends on the spin of the moving … WebSep 21, 1995 · Abstract. In gravitation theory, a fermion field must be regarded only in a pair with a certain tetrad gravitational field. These pairs can be represented by sections of …

WebThe scattering of unpolarized Fermions and scalar mesons by single graviton exchange is considered by means of a Feynman graph type perturbation theory scheme. In the limit of scattering of the Fermions by very heavy mesons, one obtains the cross section for Fermions scattering in a Schwarzschild metric. The result obtained conflicts with an … WebUsing the analogous method, we obtain the exact Cini-Touschek transformation and discuss the ultra-relativistic limit of the fermion theory. We show that the Foldy-Wouthuysen transformation is not uniquely defined, and the corresponding ambiguity is deeply rooted in the relativistic quantum theory. Citing Literature Volume50, Issue5-7 May 2002

WebDec 20, 2024 · The possibility to distinguish Dirac from Majorana fermion by gravitational interaction and torsion coupling is discussed. The scattering of both Dirac and Majorana particles are the same in the spherically symmetric gravitational field up to the first order perturbation of the fermion-gravity interaction. The scattering behaviors of Dirac and …

WebSep 19, 2024 · In this work, we investigate important aspects of the interaction of this fermion with gravity in the light of a canonical formulation in ADM formalism. We construct an action via tetrad fields using a manifold on a family of spacelike surfaces Σ t that carries the MDO matter field, and additionally we propose a condition for the action to ... martelli lavorazioni tessiliWebjournal article: gravitational fermion interactions. gravitational fermion interactions. data feed setupWebJul 11, 2024 · We present a metric-independent, diffeomorphism-invariant model with interacting fermions that contains a massless composite graviton in its spectrum. The model is motivated by the supersymmetric... data feeds 數據