搜索结果: 136-150 共查到“理学 scattering”相关记录392条 . 查询时间(0.109 秒)
Evaluation of Compton scattering sequence reconstruction algorithms for a portable position sensitive radioactivity detector based on pixelated Cd(Zn)Te crystals
Evaluation of Compton scattering sequence reconstruction algorithms a portable position sensitive radioactivity detector based on pixelated Cd(Zn)Te crystals
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2011/1/4
We present extensive simulation studies on the performance of algorithms for the Compton sequence reconstruction used for the development of a portable spectroscopic instrument (COCAE), with the capab...
On the scattering theory of the classical hyperbolic C(n) Sutherland model
Mathematical Physics (math-ph) High Energy Physics - Theory (hep-th) Exactly Solvable and Integrable Systems (nlin.SI)
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2010/11/11
In this paper we study the scattering theory of the classical hyperbolic Sutherland model associated with the C(n) root system. We prove that for any values of the coupling constants the scattering ma...
Decay of Resonance Structure and Trapping Effect in Potential Scattering Problem of Self-Focusing Wave Packet
Quantum Gases (cond-mat.quant-gas) Exactly Solvable and Integrable Systems (nlin.SI)
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2010/11/10
Potential scattering problems governed by the time dependent Gross-Pitaevskii equation are investigated numerically for various values of coupling constants. The initial condition is assumed to have t...
Failure of t-J models in describing doping evolution of spectral weight in x-ray scattering, optical and photoemission spectra of the cuprates
t-J models x-ray scattering optical and photoemission spectra cuprates
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2010/11/19
We have analyzed experimental evidence for an anomalous transfer of spectral weight from high
to low energy scales in both electron and hole doped cuprates as a function of doping. X-ray
scattering,...
Symmetry breaking: A tool to unveil the topology of chaotic scattering with three degrees of freedom
Chaotic Dynamics (nlin.CD)
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2010/11/10
We shall use symmetry breaking as a tool to attack the problem of identifying the topology of chaotic scatteruing with more then two degrees of freedom. specifically we discuss the structure of the ho...
Defect-Induced Electron Scattering in Single-Walled Carbon Nanotubes
Defect-Induced Electron Single-Walled Carbon Nanotubes
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2010/11/18
We present a detailed comparison between theoretical predictions on electron scattering processes in metallic single-walled carbon nanotubes with defects and experimental data obtained by scanning tun...
The effect of the pseudogap on suppressing high energy inelastic neutron scattering in superconducting YBa2Cu3O6.5
pseudogap high energy inelastic neutron
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2010/11/18
We have measured the spin fluctuations in the YBa2Cu3O6.5 (YBCO6.5, Tc=59 K) superconductor
at high-energy transfers above 100 meV.Within experimental error, the momentum dependence is
isotropic a...
Thomson scattering in high intensity regime
Quantum Physics Thomson scattering regime
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2010/11/8
The subject of this paper is the scattering of a very intense laser pulse (intensity $I\sim10^{21}\;{\mathrm{W/cm^2}}$) on relativistic electrons with Lorentz factor between 10 and 45. The laser pulse...
Neutron scattering study of a quasi-2D spin-1/2 dimer system Piperazinium Hexachlorodicuprate under hydrostatic pressure
Neutron scattering study hydrostatic pressure
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2010/11/17
We report inelastic neutron scattering study of a quasi-two-dimensional S=1/2 dimer system
Piperazinium Hexachlorodicuprate under hydrostatic pressure. The spin gap becomes softened
with the incre...
Level crossings and zero-field splitting in the \{Cr$_8$\}-cubane spin-cluster by inelastic neutron scattering and magnetization studies
Level crossings zero-field splitting inelastic neutron scattering magnetization studies
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2010/11/17
Inelastic neutron scattering in variable magnetic field and high-field magnetization measurements,at the milikelvin temperature range, were performed to gain insight into the low-energy magnetic excit...
Reply to Comment by Wolfgang Ketterle on "Electromagnetic Wave Dynamics in Matter-Wave Superradiant Scattering" (see arXiv:1010.3915)
Electromagnetic Wave Dynamics Matter-Wave Superradiant Scattering
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2010/11/17
The comment by Wolfgang Ketterle [1] purports to present a viable model of superradiance in condensates.However, Ref. [1] is not able to explain the red/blue pump detuning asymmetry that was first obs...
Global well-posedness and scattering for the defocusing cubic NLS in four dimensions
Global well-posedness scattering the defocusing cubic NLS
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2010/11/11
In this short note we present a new proof of the global well-posedness and scattering result for the defocusing energy-critical NLS in four space dimensions obtained previously by Ryckman and Visan. ...
Extracting scattering parameters using the isospin chemical potential
parameters isospin chemical potential
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2011/1/13
Hadronic scattering mediated through the strong interaction has been an area of great interest for both theory and experiment. Recently, lattice QCD calculations of scattering processes from first pri...
Dynamical charge and spin density wave scattering in cuprate superconductor
Dynamical charge spin density wave cuprate superconductor
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2010/11/19
We show that a variety of spectral features in high-Tc cuprates can be understood from the coupling of charge carriers to some kind of dynamical order which we exemplify in terms of fluctuating charge...
The phase-shift of isospin-2 pi-pi scattering from lattice QCD
phase-shift isospin-2 pi-pi scattering lattice QCD
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2011/1/14
Finite-volume lattice QCD calculations o er the possibility of extracting resonance parameters
from the energy-dependent elastic phase-shift computed using the Luscher technique. In this letter,as a...