搜索结果: 1-15 共查到“物理学 charge”相关记录115条 . 查询时间(0.109 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An implicit, asymptotic-preserving and energy-charge conserving method for the Vlasov-Maxwell system near quasineutrality
弗拉索夫-麦克斯韦系统 近准中性 隐式渐近守恒 能量电荷守恒
2023/4/13
An implicit asymptotic-preserving and energy-charge conserving (APECC) Particle-In-Cell method is proposed to solve the Vlasov-Maxwell (VM) equations in the quasi-neutral limit. Charge conservation is...
Scientists create ‘rewritable magnetic charge ice’
Scientists rewritable magnetic charge ice
2016/5/31
A team of scientists working at the U.S. Department of Energy’s (DOE) Argonne National Laboratory and led by Northern Illinois University physicist Zhili Xiao has created a ne...
Time Reversal and Charge Conjugation in an Embedding Quantum Simulator
Charge Conjugation Embedding Quantum Simulator
2016/1/22
A quantum simulator is an important device that may soon outperform current classical computations. A basic arithmetic operation, the complex conjugate, however, is considered to be impossible to be i...
After repeated pounding,antihydrogen reveals its charge:zero
repeated pounding antihydrogen charge zero
2016/2/22
An eight-hour experiment using the ALPHA trap at CERN confirmed with 20 times greater precision than before that the charge of the antihydrogen atom – the antimatter counterpart of the hydrogen atom –...
Single-hole spectral function and spin-charge separation in the t-J model
Worm hole green's function monte carlo simulation spectral analysis spectral function thermodynamics
2014/12/22
Worm algorithm Monte Carlo simulations of the hole Green function with subsequent spectral analysis were performed for 0.1<~J/t<~0.4 on lattices with up to L×L=32×32 sites at a temperature as low as T...
Phase transitions in a three dimensional U(1)×U(1) lattice London superconductor: Metallic superfluid and charge-4e superconducting states
Three dimensional lattice superconductor condensation coupling pulse measurement the current current coupling
2014/12/18
We consider a three dimensional lattice U(1)×U(1) and [U(1)]N superconductors in the London limit with individually conserved condensates. The U(1)×U(1) problem, generically, has two types of intercom...
Charge Transport Studies of Proton and Ion Conducting Materials
charge transport impedance spectroscopy ionic conductor PEM PFG-NMR proton conductor
2014/11/20
The development of a high-throughput impedance spectroscopy instrumentation platform for conductivity characterization of ion transport materials is outlined. Collaborative studies using this system a...
On the anomalous t-quark charge asymmetry and noncontractibility of the physical space
anomalous t-quark charge asymmetry noncontractibility of the physical space General Physics
2012/4/19
Heavy flavour production at hadron colliders represents a very promising field to test perturbative QCD. The integrated forward-backward asymmetry of the top-antitop quark production is particularly s...
Measurements of the temperature and bias dependence of Single Electron Transistors (SETs) show that charge noise increases linearly with temperature above a voltage-dependent threshold temperature, an...
Topological Insulator Magnetic Tunnel Junctions: Quantum Hall Effect and Fractional Charge via Folding
Topological Insulator Magnetic Tunnel Junctions Quantum Hall Effect Fractional Charge Folding
2012/2/27
We provide a characterization of tunneling between coupled topological insulators in 2D and 3D under the influence of a ferromagnetic layer. We explore conditions for such systems to exhibit integer q...
Nuclear Charge Radius of $^{12}$Be
Nuclear Charge Radius $^{12}$Be technique of collinear laser spectroscopy
2012/2/28
The nuclear charge radius of $^{12}$Be was precisely determined using the technique of collinear laser spectroscopy on the $2s_{1/2}\rightarrow 2p_{1/2, 3/2}$ transition in the Be$^{+}$ ion. The mean ...
The $Δ(1232)$ axial charge and form factors from lattice QCD
The $Δ(1232)$ axial charge factors lattice QCD
2011/7/21
We present the first calculation on the $\Delta$ axial-vector and pseudoscalar form factors using lattice QCD. Two Goldberger-Treiman relations are derived and examined.
The two-nucleon electromagnetic charge operator in chiral effective field theory ($χ$EFT) up to one loop
electromagnetic charge operator
2011/7/20
The electromagnetic charge operator in a two-nucleon system is derived in chiral effective field theory ($\chi$EFT) up to order $e\, Q$ (or N4LO), where $Q$ denotes the low-momentum scale and $e$ is t...
Alpha-Cluster Model, Charge Symmetry of Nuclear Force and Single Particle Bound State Potential in Symmetrical Nuclei
Alpha-Cluster Model Nuclear Force Bound State Potential
2011/7/20
A phenomenological alpha-cluster model based on the charge symmetry of nuclear force allows one to estimate the last proton position radius (LPPR) in a symmetrical nucleus. The values of LPPR obtained...
Atomic data for neutron-capture elements II. Photoionization and recombination properties of low-charge krypton ions
Atomic data neutron-capture elements II Photoionization low-charge krypton ions
2011/8/17
Abstract: We present multi-configuration Breit-Pauli distorted-wave photoionization (PI) cross sections and radiative recombination (RR) and dielectronic recombination (DR) rate coefficients for the f...