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中国科学院新疆理化技术研究所在非线光学响应机理取得突破进展---低能轨道非中心分布机理（Low-energy orbital non-centrosymmetric distribution, LOND）（图）
非线光学 响应机理 低能轨道 非中心分布
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2021/3/1
非线性光学因为它的高阶物理过程而独具魅力，在固体激光，物质探测，光子通信，量子纠缠，量子隐形传输等领域都有广泛应用。1961年科学家们在石英晶体中观测到了激光的二阶非线性过程。随后，非线性光学迎来了飞跃的发展。在非线性光学微观机理研究方面，从化学键、原子尺度上发展了许多理论模型和近似的方法，包括非谐振子模型、双能级模型、键电荷模型、键参数模型、电荷转移理论等，为非线性光学材料的内在机理和设计合成方...
Low energy intake plus low energy expenditure (low energy flux), not energy surfeit, predicts future body fat gain
energy balance energy flux physical activity doubly labeled water weight gain
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2018/11/30
Background: There is a paucity of studies that have prospectively tested the energy surfeit theory of obesity with the use of objectively estimated energy intake and energy expenditure in humans. An a...
Evidence of Apulian crustal structures related to low energy seismicity (Murge - Southern Italy)
Bouguer anomalies Murgian plateu low energy seismicity tensional structures
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2015/9/28
The discovery of recent co-seismic sedimentary structures and the detection of low energy seismic activity in the Murgian plateau (Apulia - Southern Italy) motivated a more detailed examination of the...
Low Energy Tests of Chiral Symmetry1
Low energy chiral invariance perturbation theory the pion
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2014/12/23
The present status of low energy test of chiral invariance via chiral perturbation theory is reviewed, both in the meson and baryon sectors, and future prospects are discussed.
Low energy Compton scattering and nucleon structure
Virtual Compton scattering low energy high resolution generalized measuring polarization baryon chiral perturbation theory
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2014/12/22
The low energy virtual Compton scattering process eN\rightarrow e'N\gamma offers a new and potentially high resolution window on nucleon structure via measurement of so-called generalized polarizabili...
The Impact of Feeding Diets of High or Low Energy Concentration on Carcass Measurements and the Weight of Primal and Subprimal Lean Cuts
Dietary Energy Concentration Carcass Pork Primal Weight
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2016/5/9
Pigs from four sire lines were allocated to a series of low energy (LE, 3.15 to 3.21 Mcal ME/kg) corn-soybean meal-based diets with 16% wheat midds or high energy diets (HE, 3.41 to 3.45 Mcal ME/kg) w...
Unusual pattern formation on Si(100) due to low energy ion bombardment
Unusual pattern formation Si(100) low energy ion bombardment
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2012/2/27
In this paper evolution of silicon surface topography, under low energy ion bombardment, is investigated at higher oblique incident angles in the range of 63\degree-83\degree. Si(100) substrates were ...
Uncertainties in modeling low-energy neutrino induced reactions on iron group nuclei
Uncertainties modeling low-energy neutrino induced reactions group nuclei
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2011/10/14
Charged-current neutrino-nucleus cross sections for 54,56Fe and 58,60Ni are calculated and compared using frameworks based on relativistic and Skyrme energy density functionals, and the shell model. T...
Low energy ω(\to π^0 γ) meson photoproduction in the nucleus
ω meson photoproduction π0γ invariant mass distribution
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2011/7/20
The $\pi^0 \gamma$ invariant mass distribution spectra in the $ (\gamma, \pi^0\gamma) $ reaction were measured by TAPS/ELSA collaboration to look for the hadron parameters of the $\omega$ meson in Nb ...
Low energy ω(\to π^0 γ) meson photoproduction in the nucleus
Low energy meson photoproduction nucleus
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2011/7/21
The $\pi^0 \gamma$ invariant mass distribution spectra in the $ (\gamma, \pi^0\gamma) $ reaction were measured by TAPS/ELSA collaboration to look for the hadron parameters of the $\omega$ meson in Nb ...
Very High Precision Determination of Low-Energy Parameters: The 2-d Heisenberg Quantum Antiferromagnet as a Test Case
Precision Determination Low-Energy Parameters
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2011/1/7
The 2-d spin 1/2 Heisenberg antiferromagnet with exchange coupling $J$ is investigated on a periodic square lattice of spacing $a$ at very small temperatures using the loop-cluster algorithm. Monte Ca...
Review of lattice results concerning low energy particle physics
lattice results concerning low energy particle physics
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2011/1/7
We review lattice results relevant for pion and kaon physics with the aim of making them easily accessible to the particle physics community. Specifically, we review the determination of the light-qua...
Neutrino physics with an intense \nuc{51}{Cr}source and an array of low-energy threshold HPGe detectors
Neutrino physics an intense \nuc{51}{Cr}source an array of low-energy threshold HPGe detectors
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2011/1/4
We study some of the physics potential of an intense $1\,\mathrm{MCi}$ $^{51}\mathrm{Cr}$ source combined with the {\sc Majorana Demonstrator} enriched germanium detector array. The {\sc Demonstrator}...
Parity violation in low energy neutron deuteron scattering
Parity violation low energy neutron deuteron scattering
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2011/1/6
Parity violating effects for low energy elastic neutron deuteron scattering are calculated for
DDH and EFT-type of weak potentials in a Distorted Wave Born Approximation, using realistic
hadronic st...
Nuclear and Non-Ionizing Energy-Loss for Coulomb Scattered Particles from Low Energy up to Relativistic Regime in Space Radiation Environment
Coulomb Scattered Particles Low Energy Relativistic Regime Space Radiation Environment
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2011/1/5
In the space environment, instruments onboard of spacecrafts can be affected by displacement damage due to radiation. The differential scattering cross section for screened nucleus–nucleus interaction...