Results 41 to 50 of about 240,834 (310)
Stochastic Electrodynamics: Renormalized Noise in the Hydrogen Ground-State Problem
Frontiers in Physics, 2020 The hydrogen ground-state problem is a touchstone for the theory of Stochastic Electrodynamics. Recently, we have shown numerically and theoretically that the H-atom self-ionizes after a characteristic time.
Theo M. Nieuwenhuizen
doaj +1 more source
Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD [PDF]
, 1999 We present a study for the pion decay constant $f_\pi$ in the quenched approximation to lattice QCD with the Kogut-Susskind (KS) quark action, with the emphasis given to the renormalization problems. Numerical simulations are carried out at the couplings
A. Donini +34 more
core +2 more sources
Solutions of the Aw-Rascle-Zhang system with point constraints
Networks and Heterogeneous Media, 2016 We revisit the entropy formulation and the wave-front tracking construction of physically admissible solutions of the Aw-Rascle and Zhang (ARZ) ``second-order'' model for vehicular traffic.A Kruzhkov-like family of entropies is introduced to select the ...
Boris P. Andreianov +4 more
doaj +1 more source
Renormalization scheme dependence with renormalization group summation [PDF]
Physical Review D, 2015 We consider all radiative corrections to the total electron-positron cross section showing how the renormalization group equation can be used to sum the logarithmic contributions in two ways. First of all, one can sum leading-log etc. contributions. A second summation shows how all logarithmic corrections can be expressed in terms of log-independent ...
openaire +2 more sources
Analyzing Electronic Excitations and Exciton Binding Energies in Y6 Films
Advanced Functional Materials, EarlyView.The Y6 molecule is used for increasing the efficiency of organic solar cells. The exciton binding energy is calculated for ensembles of Y6 molecules that are representative of the typically used films. The calculations show that the excitons typically spread out over many molecules.
Sahar Javaid Akram +2 more
wiley +1 more source
A novel scheme for the wave function renormalization of the composite operators
, 2015 We propose a novel renormalization scheme for the hadronic operators. The renormalization factor of the operator in this scheme is normalized by the correlation function at tree level in coordinate space.
Itou, Etsuko
core +1 more source
Bosonization and Functional Renormalization Group Approach in the Framework of QED_2 [PDF]
, 2011 Known results on two-dimensional quantum electrodynamics (QED_2) have been used to study the dependence of functional renormalization group equations on renormalization schemes and approximations applied for its bosonized version. It is demonstrated that
Nandori, I.
core +2 more sources
Renormalization Method and Mirror Symmetry
Symmetry, Integrability and Geometry: Methods and Applications, 2012 This is a brief summary of our works [arXiv:1112.4063, arXiv:1201.4501] on constructing higher genus B-model from perturbative quantization of BCOV theory. We analyze Givental's symplectic loop space formalism in the context of B-model geometry on Calabi-
Si Li
doaj +1 more source
Direct Evidence of Topological Dirac Fermions in a Low Carrier Density Correlated 5d Oxide
Advanced Functional Materials, EarlyView.The 5d oxide BiRe2O6 is discovered as a low‐carrier‐density topological semimetal hosting symmetry‐protected Dirac fermions stabilized by nonsymmorphic symmetries. Angle‐resolved photoemission spectroscopy, quantum oscillations, and magnetotransport measurements reveal gapless Dirac cones, quasi‐2D Fermi surfaces, high carrier mobility, and a field ...
Premakumar Yanda +11 more
wiley +1 more source