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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
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...
THERMAL EFFECTS ON CAMERA FOCAL LENGTH IN MESSENGER STAR CALIBRATION AND ORBITAL IMAGING
Mercury, MESSENGER, MDIS Camera Digital Terrain Models
2018/5/11
We analyse images taken by the MErcury Surface, Space ENviorment, GEochemistry, and Ranging (MESSENGER) spacecraft for the camera’s thermal response in the harsh thermal environment near Mercury. Spec...
HIGH-RESOLUTION TOPOGRAPHY OF MERCURY FROM MESSENGER ORBITAL STEREO IMAGING – THE SOUTHERN HEMISPHERE QUADRANGLES
Mercury MESSENGER Digital Terrain Models
2018/5/15
We produce high-resolution (222 m/grid element) Digital Terrain Models (DTMs) for Mercury using stereo images from the MESSENGER orbital mission. We have developed a scheme to process large numb...
Astronomers Detect Orbital Motion in Pair of Supermassive Black Holes
Astronomers Orbital Motion Supermassive Black Holes
2017/7/24
Using the supersharp radio “vision” of the National Science Foundation’s Very Long Baseline Array (VLBA), astronomers have made the first detection of orbital motion in a pair of supermassive black ho...
Effects of orbital ellipticity on collisional disruptions of rubble-pile asteroids
Celestial mechanics Methods:numerical Minor planets,asteroids:general Planets and satellites:physical evolution
2015/12/25
The behavior of debris ejected from asteroids after collisional disruptions has significant implications for asteroid evolution. Analytical approximations of the elliptic restricted three-body system ...
Endoscopic Marsupialisation of the Lateral Frontal Sinus Mucocele With Orbital Extension:A Case Report
Frontal Sinus Mucocele Endoscopy Paranasal Sinus Diseases
2015/10/16
Introduction: Frontal sinus mucoceles are the commonest among all paranasal mucoceles. With introduction of functional endoscopic sinus surgery, surgeons prefer endoscopic management of sinus mucocele...
SOIL CARBON STOCKS UNDER PASTURES IN THE BRAZILIAN CERRADO REGION THEIR ASSESSMENT BY ORBITAL REMOTE SENSING
Climate Agriculture Soil Estimation Landsat Spectral
2015/7/29
The article 3.4 of the Kyoto Protocol acknowledges agriculture soils as a potential sink for soil organic carbon (SOC). To estimate
current and potential SOC on a broad scale for these potential sin...
Radiation Therapy in a Case of Orbital Lymphoma
Eye Non-Hodgkin's lymphoma Orbit Radiotherapy
2015/7/29
Introduction: Orbital lymphoma is a rare presentation of extranodal non-Hodgkin's lymphoma, accounting for less than 1% of the total. The role of radiotherapy in its management is well-established. Th...
URBAN SUSTAINABILITY USING ORBITAL REMOTE SENSING DATA AND GEOPROCESSING TECHNIQUES
Urban Growth Sustainable Urbanization Remote Sensing Geoprocessing
2015/2/3
São José dos Campos is a municipality located in the region of Paraiba River Valley in São Paulo State. It is
located between the cities of Rio de Janeiro and São Paulo, at one of the ...
Orbital physics is child's play with super planet crash
Orbital physics is child's play with super planet crash
2014/4/16
Super Planet Crash is a pretty simple game: players build their own planetary system, putting planets into orbit around a star and racking up points until they add a planet that destabilizes the whole...
Long Period Tidal Force Variations and Regularities in Orbital Motion of the Earth-Moon Binary Planet System
Long Period Tidal Force Variations and Regularities Orbital Motion the Earth-Moon Binary Planet System Geophysics
2012/5/28
We have studied long period, 206 and 412 day, variations in tidal sea level corresponding to various moon phases collected from five observatories in the Northern and Southern hemispheres. Variations ...
GPGPU for orbital function evaluation with a new updating scheme
GPGPU orbital function evaluation new updating scheme Computational Physics
2012/4/19
We accelerated an {\it ab-initio} QMC electronic structure calculation by using GPGPU. The bottleneck of the calculation for extended solid systems is replaced by CUDA-GPGPU subroutine kernels which b...
On the zero-field orbital magnetic susceptibility of Bloch electrons in graphene-like solids: Some rigorous results
Diamagnetism zero-field susceptibility two-dimensional electrons gas graphene semiconductors
2012/4/17
Starting with a nearest-neighbors tight-binding model, we rigorously investigate the bulk zero-field orbital susceptibility of a non-interacting Bloch electrons gas in graphene-like solids at fixed te...
Density Functional Resonance Theory: complex density functions, convergence, orbital energies, and functionals
Density Functional Resonance Theory complex density functions convergence orbital energies functionals
2012/2/29
Aspects of Density Functional Resonance Theory (DFRT) [Phys. Rev. Lett. \textbf{107}, 163002 (2011)], a recently developed complex-scaled version of ground-state Density Functional Theory (DFT), are s...
Discovery of the neutron star spin and orbital period from the Be/X-ray binary IGR J05414-6858 in the LMC
Discovery neutron star spin orbital the Be/X-ray binary IGR J05414-6858 the LMC
2012/2/23
The number of known Be/X-ray binaries in the Large Magellanic Cloud is small compared to the observed population of the Galaxy or the Small Magellanic Cloud. The discovery of a system in outburst prov...