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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Numerical method for low-frequency electromagnetic fields and its applications
低频 电磁场数值 低频涡流场 有限元编程
2023/4/13
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Solve electromagnetic interface problems on unfitted meshes
未拟合 网格 电磁接口
2023/5/4
If you’ve ever heard your engine rev through your radio while listening to an AM station in your car, or had your television make a buzzing sound when your cell phone is near it, then you’ve experienc...
Quantized electromagnetic response of three-dimensional chiral topological insulators
Quantized electromagnetic response three-dimensional chiral topological insulators
2016/1/22
Protected by the chiral symmetry, three-dimensional chiral topological insulators are characterized by an integer-valued topological invariant. How this invariant could emerge in physical observables ...
Electromagnetic fields in air of traveling-wave currents above the earth
Electromagnetic fields air of traveling-wave currents the earth
2015/10/16
The problem of the electromagnetic field created by a thin, straight conductor of infinite length carrying a forward traveling-wave current with a complex propagation constant g above a homogeneous an...
A physical pattern recognition approach for 2D electromagnetic induction studies
electromagnetic induction pattern recognition 2d structures
2015/9/28
We present a new tomographic procedure for the analysis of natural source electromagnetic (EM) induction field data collected over any complex 2D buried structure beneath a flat air-earth boundary. Th...
Natural and man-made terrestrial electromagnetic noise: an outlook
radio noise background noise
2015/9/2
The terrestrial environment is continuously exposed to electromagnetic radiations which set up a «background»
electromagnetic noise. Within the Non Ionizing Radiation band (NIR), i.e. for f...
The Electromagnetic Mass Differences of Pions and Kaons
Meson kaon electromagnetic depend on the model input high energy kaon
2014/12/23
We use the Cottingham method to calculate the pion and kaon electromagnetic mass differences with as few model dependent inputs as possible. The constraints of chiral symmetry at low energy, QCD at hi...
Electromagnetic mass differences of pions and kaons
Computing meson kaon electromagnetic chiral symmetry constraint low energy the quality of the meson
2014/12/22
We use the Cottingham method to calculate the pion and kaon electromagnetic mass differences with as few model-dependent inputs as possible. The constraints of chiral symmetry at low energy, QCD at hi...
The leading chiral electromagnetic correction to the nonleptonic Delta I=3/2 amplitude in kaon decays
Kaon decay electromagnetic radiation amplitude phenomenology electromagnetic effect
2014/12/22
In kaon decay, electromagnetic radiative corrections can generate shifts in the apparent ΔI=3/2 amplitude of order αA0/A2not, vert, similar22α. In order to know the true ΔI=3/2 amplitude for compariso...
Weak and electromagnetic interactions of hyperons: A chiral approach
Hyperon electromagnetic
2014/12/22
A range of issues in the field of weak and electromagnetic interactions of hyperons is presented from the perspective of (broken) chiral symmetry, together with an assessment of where important challe...
Electromagnetic corrections to K ->pi pi. II. Dispersive matching
Electromagnetic virtual photons chiral perturbation theory the model of the resonance
2014/12/22
We express the leading electromagnetic corrections in K → ππ as integrals over the virtual photon squared-momentum Q2. The high Q2 behavior is obtained via the operator product expansion. The low Q2 b...
Electromagnetic corrections to K ->pi pi. I. Chiral perturbation theory
Electromagnetic octet chiral perturbation theory the amplitude
2014/12/22
An analysis of electromagnetic corrections to the (dominant) octet K → ππ hamiltonian using chiral perturbation theory is carried out. Relative shifts in amplitudes at the several per cent level are f...
Electromagnetic properties of nucleons and hyperons in a Lorentz covariant quark model
Magnetic nuclear lorentz covariance the bound state quark let-down pseudo-scalar meson
2014/12/20
We calculate magnetic moments of nucleons and hyperons and N -> Delta + gamma transition characteristics using a manifestly Lorentz covariant chiral quark approach for the study of baryons as bound st...
Spin Effects in Long Range Electromagnetic Scattering
Electromagnetic scattering particles rotate photons exchange quantum mechanics
2014/12/19
We analyze the electromagnetic scattering of massive particles with and without spin and, using the techniques of effective field theory, we isolate the leading long distance effects beyond one photon...