Results 11 to 20 of about 35,931 (264)

Coulomb Breakup Problem [PDF]

open access: yesPhysical Review Letters, 2008
We formulate scattering theory in the framework of a surface-integral approach utilizing analytically known asymptotic forms of the three-body wave functions. This formulation is valid for both short-range and Coulombic potentials. The post and prior forms of the breakup amplitude are derived without any reference to renormalization procedures.
Kadyrov, Alisher   +3 more
openaire   +3 more sources

Holographic models of composite Higgs in the Veneziano limit. Part I. Bosonic sector

open access: yesJournal of High Energy Physics, 2021
We study strongly-coupled, approximately scale-invariant gauge theories, which develop a mass gap in the infrared. We argue that a large number of fermion flavours is most suitable to provide an ultraviolet completion for the composite Higgs scenario ...
Daniel Elander   +3 more
doaj   +1 more source

Imaging non-collinear antiferromagnetic textures via single spin relaxometry

open access: yesNature Communications, 2021
In this manuscript, Finco et al demonstrate the use of a quantum magnetometer based on a single NV centre for all-optical imaging of antiferromagnetic (AFM) spin textures.
Aurore Finco   +15 more
doaj   +1 more source

Polytypes of sp2-Bonded Boron Nitride

open access: yesCrystals, 2022
The sp2-bonded layered compound boron nitride (BN) exists in more than a handful of different polytypes (i.e., different layer stacking sequences) with similar formation energies, which makes obtaining a pure monotype of single crystals extremely tricky.
Bernard Gil   +9 more
doaj   +1 more source

Coulomb's Function [PDF]

open access: yesProceedings of the National Academy of Sciences, 1938
In his work on Rayleigh waves Coulomb (1) has studied the function ...[Eq. (1.1)]. The function ψ0 with a complex value of h occurs in the work of Buchholz (2) on the propagation of alternating currents in the earth between two electrodes connected above ground by a rectangular loop of wire whose vertical ends support the horizontal piece.
openaire   +2 more sources

A planar defect spin sensor in a two-dimensional material susceptible to strain and electric fields

open access: yesnpj Computational Materials, 2023
The boron-vacancy spin defect ( $${\,{{\mbox{V}}}}_{{{\mbox{B}}}\,}^{-}$$ V B − ) in hexagonal boron nitride (hBN) has a great potential as a quantum sensor in a two-dimensional material that can directly probe various external perturbations in atomic ...
Péter Udvarhelyi   +8 more
doaj   +1 more source

Unparticle mediated superconductivity

open access: yesNew Journal of Physics, 2015
In this work we introduce the possibility of unparticle mediated superconductivity. We discuss a theoretical scenario where it can emerge and show that a superconducting state is allowed by deriving and solving the gap equation for s -wave pairing of ...
James P F LeBlanc, Adolfo G Grushin
doaj   +1 more source

Single spin magnetometry and relaxometry applied to antiferromagnetic materials

open access: yesAPL Materials, 2023
Despite the considerable interest for antiferromagnets that appeared with the perspective of using them for spintronics, their experimental study, including the imaging of antiferromagnetic textures, remains a challenge.
Aurore Finco, Vincent Jacques
doaj   +1 more source

Color-Coulomb force calculated from lattice Coulomb Hamiltonian [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 1997
4 pages (including 1 figure); (latex using espcrc2.sty). Talk presented at LATTICE96(poster)
Cucchieri, Attilio, Zwanziger, Daniel
openaire   +2 more sources

InSe as a case between 3D and 2D layered crystals for excitons

open access: yesNature Communications, 2019
The optical properties of layered InSe aren’t fully understood. Here, the authors observe the exciton, biexciton, and P-band of exciton-exciton scattering in the photoluminescence spectrum of InSe, and calculate an exciton binding energy value of ≥20 meV,
T. V. Shubina   +8 more
doaj   +1 more source

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