搜索结果: 1-14 共查到“计算物理学 Using”相关记录14条 . 查询时间(0.212 秒)
Global Calculations of Density Waves and Gap Formation in Protoplanetary Disks using a Moving Mesh
Global Calculations Density Waves Gap Formation Protoplanetary Disks Moving Mesh
2012/2/29
We calculate the global quasi-steady state of a thin disk perturbed by a low-mass protoplanet orbiting at a fixed radius using extremely high-resolution numerical integrations of Euler's equations in ...
Convergence of many-body wavefunction expansions using a plane wave basis: from the homogeneous electron gas to the solid state
Convergence many-body wavefunction expansions plane wave basis homogeneous electron gas solid state
2012/2/29
Using the finite simulation-cell homogeneous electron gas (HEG) as a model, we investigate the convergence of the correlation energy to the complete basis set (CBS) limit in methods utilising plane-wa...
Computation of electron quantum transport in graphene nanoribbons using GPU
Green's function formalism GPU graphene ribbon
2011/8/11
Abstract: The performance potential for simulating quantum electron transport on graphical processing units (GPUs) is studied. Using graphene ribbons of realistic sizes as an example it is shown that ...
A framework for the analysis of scattering from complex objects using locally smooth surface parametrizations and the generalized method of moments
Generalized method of moments Locally smooth surface parametrizations Integral equations Acoustic scattering
2011/8/5
Abstract: The analysis of acoustic scattering from complex geometries is a problem with wide ranging applications from material evaluation to nondestructive testing, to diagnostic medicine. The abilit...
3D Imaging of a Phase Object from a Single Sample Orientation Using an Optical Laser
3D Imaging Single Sample Orientation Optical Laser
2011/8/4
Abstract: We acquire coherent diffraction patterns of a microscale phase object at a single sample orientation by using an optical laser. The diffraction patterns are projected onto a spherical shell ...
An O(N) Method for Rapidly Computing Periodic Potentials Using Accelerated Cartesian Expansions
Accelerated Cartesian Expansion ACE Fast Multipole Methods Periodic Systems
2011/8/4
Abstract: The evaluation of long-range potentials in periodic, many-body systems arises as a necessary step in the numerical modeling of a multitude of interesting physical problems. Direct evaluation...
Modeling near-field radiative heat transfer from sharp objects using a general 3d numerical scattering technique
Modeling near-field radiative heat transfer sharp objects 3d numerical scattering technique
2011/8/4
Abstract: We examine the non-equilibrium radiative heat transfer between a plate and finite cylinders and cones, making the first accurate theoretical predictions for the total heat transfer and the s...
y Dispersion Analysis for the Hayabusa Spacecraft using Ground Based Optical Observation
astrometry — celestial mechanics — Hayabusa — orbit determination — space vehicles
2011/9/8
Hayabusa asteroid explorer successfully released the sample capsule to Australia on June 13, 2010. Since the Earth reentry phase of sample return was critical, many backup plans for predicting the lan...
Microscopic calculation of the 3He(alpha,gamma)7Be and 3H(alpha,gamma)7Li capture cross sections using realistic interactions
Microscopic calculation of the 3He(alpha,gamma)7Be 3H(alpha,gamma)7Li capture cross sections realistic interactions
2011/1/6
The radiative capture cross sections for the 3He( ,)7Be and 3H( ,)7Li reactions are calculated in the fully microscopic Fermionic Molecular Dynamics approach using a realistic effective interaction th...
Algebraic classification of spacetimes using discriminating scalar curvature invariants
Algebraic classification of spacetimes discriminating scalar curvature invariants
2010/12/20
The Weyl tensor and the Ricci tensor can be algebraically classi ed in a Lorentzian spacetime of arbitrary dimensions using alignment the-ory. Used in tandem with the boost weight decomposition and cu...
Entanglement preparation using symmetric multiports
Entanglement preparation symmetric multiports
2010/11/5
We investigate the entanglement produced by a multi-path interferometer that is composed of two symmetric multiports, with phase shifts applied to the output of the first multiport. Particular attenti...
Numerical Feynman integrals for density operator dynamics using more than one mesh: faster convergence and significant reduction of computational cost
Feynman integral path integral QUAPI Feynman-Vernon
2010/10/26
The Feynman integral is one of the most accurate methods for calculating density operator dy-
namics in open quantum systems. However, the number of time steps that can realistically be used is alway...
Improved preservation of autocorrelative structure in surrogate data using an initial wavelet step
preservation autocorrelative structure surrogate data initial wavelet step
2009/11/2
Surrogate data generation algorithms are useful for hypothesis testing or for generating realisations of a process for data extension or modelling purposes. This paper tests a well known surrogate dat...
Actual computational time-cost of the Quantum Fourier Transform in a quantum computer using nuclear spins
Actual computational time-cost Quantum Fourier Transform quantum computer nuclear spins
2010/10/18
There have been many proposed methods for the practical implementation of quantum computing. Now quantum computation has reached the turning point from being a conceptual system to becoming a physical...