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LHCb brings leptons into line（图）
大型强子对撞机 轻子 正轨
2023/5/26
Today the international LHCb collaboration at the Large Hadron Collider (LHC) presented new measurements of rare particle transformations, or decays, that provide one of the highest-precision tests ye...
中国科学院物理研究所提出拓扑Node-Line半金属的理论预言（图）
拓扑半金属 凝聚态物理
2015/9/28
拓扑半金属是不同于拓扑绝缘体的一类全新拓扑量子态，是当前凝聚态物理的研究热点之一。和普通金属相比，拓扑半金属的费米面有且只有能带交叉点。这些能带交叉点构成了晶格动量空间的磁单极子。根据磁单极子在晶格动量空间的分布，拓扑半金属可以分为拓扑狄拉克半金属、外尔半金属和Node-Line半金属，组成拓扑半金属“三重奏”。在前两种拓扑半金属中，磁单极子在晶格动量空间中的位置是一些孤立的点(见图1)。这两种拓...
ASSESSMENT OF A DEVELOPED COMBINED POINT/LINE–BASED PROJECTIVE EQUATIONS
Mapping Development Comparison
2015/6/1
This paper presents the results of the assessment of the developed techniques for line-based and combined point/line-based eight
parameters projective equations. The developed equations were impleme...
The Effect of Vesicle Shape, Line Tension, and Lateral Tension on Membrane-Binding Proteins
Vesicle Shape Line Tension Lateral Tension Membrane-Binding Proteins
2014/11/20
Model membranes allow for the exploration of complex biological phenomena with simple, controllable components. In this thesis we employ model membranes to determine the effect of vesicle properties s...
LINE-BASED REGISTRATION OF DSM AND HYPERSPECTRAL IMAGES
Hyper spectral DEM/DTM Registration, Multisensor Urban Matching, LiDAR
2014/4/24
Data fusion techniques require a good registration of all the used datasets. In remote sensing, images are usually geo-referenced using the GPS and IMU data. However, if more precise registration is r...
On Core and Curvature Corrections used in Straight-Line Vortex Filament Methods
Core and Curvature Corrections Straight-Line Vortex Filament Methods Computational Physics
2012/4/24
The convergence characteristics of two viscous core corrections as used in straight-line segmentation methods are rigorously analysed. These are \emph{curvature corrections} that account for the induc...
Self-seeding scheme for the soft X-ray line at the European XFEL
Self-seeding scheme soft X-ray line the European XFEL
2012/2/28
This paper discusses the potential for enhancing the capabilities of the European FEL in the soft X-ray regime. A high longitudinal coherence will be the key to such performance upgrade. In order to r...
The Hanle Effect of the Hydrogen Ly-alpha Line for Probing the Magnetism of the Solar Transition Region
Hanle Effect Hydrogen Ly-alpha Line Solar Transition Region
2011/8/18
Abstract: We present some theoretical predictions concerning the amplitude and magnetic sensitivity of the linear polarization signals produced by scattering processes in the hydrogen Ly-alpha line of...
Absolute absorption on rubidium D1 line: including resonant dipole-dipole interactions
Absolute absorption rubidium D1 line resonant dipole-dipole interactions
2011/8/4
Abstract: Here we report on measurements of the absolute absorption spectra of dense rubidium vapour on the D1 line in the weak-probe regime for temperatures up to 170 C and number densities up to 3 \...
Unitary representations of the Galilean line group: Quantum mechanical principle of equivalence
Unitary representations the Galilean line group Quantum mechanical principle of equivalence
2011/9/5
Abstract: We present a formalism of Galilean quantum mechanics in non-inertial reference frames and discuss its implications for the equivalence principle. This extension of quantum mechanics rests on...
Voltage Collapse and ODE Approach to Power Flows: Analysis of a Feeder Line with Static Disorder in Consumption/Production
Voltage Collapse Consumption/Production Feeder Line Static Disorder
2011/9/15
We consider a model of a distribution feeder connecting multiple loads to the sub-station. Voltage is controlled directly at the head of the line (sub-station), however,voltage anywhere further down t...
The Quillen metric, analytic torsion and tunneling for high powers of a holomorphic line bundle
Holomorphic line bundle determinant bundle analytic torsion supersymmetry quantum mechanics
2011/7/28
Let L be a line bundle over a compact complex manifold X (possibly non-Kahler) and denote by h_{L} and h_{X} fixed Hermitian metrics on L and TX, respectively. We generalize the asymptotics for the in...
Fe XVII X-ray Line Ratios for Accurate Astrophysical Plasma Diagnostics
atomic data atomic processes line: formation opacity plasmas X-rays:general.
2011/9/14
New laboratory measurements using an Electron Beam Ion Trap (EBIT) and an x-ray microcalorimeter are presented for the n=3 to n=2 Fe XVII emission lines in the 15 ?to 17 ?range, along with new theoret...
Thermodynamic Geometry, Phase Transitions, and the Widom Line
Thermodynamic Geometry Phase Transitions the Widom Line
2011/9/13
We construct a novel approach, based on thermodynamic geometry, to characterize first-order phase transitions from a microscopic perspective,through the scalar curvature in the equilibrium thermodynam...
Minimal length in quantum space and integrations of the line element in Noncommutative Geometry
quantum space integrations line element Noncommutative Geometry
2011/7/25
Abstract: We question the emergence of a minimal length in quantum spacetime, confronting two notions that appeared at various points in the literature: length as the spectrum of an operator L in the ...