Results 51 to 60 of about 1,654,821 (235)

Non-Relativistic Quantum Electrodynamics and the Coulomb Interaction

open access: yesPhysics
This review explores the foundations of non-relativistic quantum electrodynamics (QED) and its application to atoms and molecules. It follows the traditional route of placing classical electrodynamics in an Hamiltonian framework, followed by Dirac’s ...
R. Guy Woolley
doaj   +1 more source

The force law of classical electrodynamics: Lorentz versus Einstein and Laub [PDF]

open access: yesOptics & Photonics - NanoScience + Engineering, 2013
The classical theory of electrodynamics is built upon Maxwell’s equations and the concepts of electromagnetic field, force, energy, and momentum, which are intimately tied together by Poynting’s theorem and the Lorentz force law.
M. Mansuripur
semanticscholar   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

A note on Coulomb field

open access: yesPhysics Open, 2021
Starting from Coulomb gauge scheme, we can eliminate the instant Coulomb force and replace it by propagating retarded Coulomb force field, in the realm of classical electrodynamics.
Minoru Sugihara, Masayuki Ikeda
doaj   +1 more source

Non-equilibrium Higgs transition in classical scalar electrodynamics [PDF]

open access: yes, 2005
Real time rearrangement of particle spectra is studied numerically in a U(1) Gauge+Higgs system, in the unitary gauge and in three spatial dimensions. The cold system starts from the symmetric phase.
András Patkós   +7 more
core   +3 more sources

Coupling Nanostructured Plasmon–Strain Microwave Waveguide to Spin Defects in Hexagonal Boron Nitride for High‐Sensitivity Quantum Sensors

open access: yesAdvanced Materials, EarlyView.
Coupling of spin‐active VB−$V_B^ - $ defects in hBN with alumina‐coated gold plasmonic nanoresonators (PNRs), integrated into a microwave‐efficient waveguide, constitutes a plasmon‐strain architecture that enhances their photoluminescence and spin contrast. This platform enables a tenfold quantum yield improvement and achieves a DC magnetic sensitivity
Naveed Hussain   +12 more
wiley   +1 more source

Conclusions Not Yet Drawn from the Unsolved 4/3-Problem—How to Get a Stable Classical Electron

open access: yesUniverse
It has been known for over 100 years that there is a discrepancy between Maxwell’s electrodynamics and the idea of a classical electron as the “atom” of electricity.
Manfried Faber
doaj   +1 more source

Classical Noncommutative Electrodynamics with External Source

open access: yes, 2011
In a $U(1)_{\star}$-noncommutative (NC) gauge field theory we extend the Seiberg-Witten (SW) map to include the (gauge-invariance-violating) external current and formulate - to the first order in the NC parameter - gauge-covariant classical field ...
A. Cabo   +9 more
core   +1 more source

Photonics of Topological Magnetic Textures

open access: yesAdvanced Optical Materials, EarlyView.
Localized noncollinear magetic textures imprint their geometry and topology onto traversing photonic fields endowing them with orbital angular‐momentum, chirality, and magnetoelectric densities. Abstract Topological textures in magnetically ordered materials are an important case studies for fundamental research with promising applications in data ...
Vakhtang Jandieri   +6 more
wiley   +1 more source

The Lagrangian and Hamiltonian analysis of some relativistic electrodynamics models and their quantization

open access: yesCondensed Matter Physics, 2009
The work is devoted to the study of the Lagrangian and Hamiltonian properties of some relativistic electrodynamics models and is a continuation of our previous investigations.
N.N. Bogolubov (Jr.), A.K. Prykarpatsky
doaj   +1 more source

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