Zobrazeno 1 - 10
of 229
pro vyhledávání: '"Quiney, Harry"'
The emerging technique of serial femtosecond X-ray crystallography (SFX) can be used to study the structure and dynamics of biological macromolecules to high spatial and temporal resolutions. An ongoing challenge for SFX is the damage caused by the u
Externí odkaz:
http://arxiv.org/abs/2405.10298
Quantum chemistry is a promising application in the era of quantum computing since the unique effects of quantum mechanics that take exponential growing resources to simulate classically are controllable on quantum computers. Fermionic degrees of fre
Externí odkaz:
http://arxiv.org/abs/2405.09122
Publikováno v:
Phys. Rev. D 107, 035032 (2023)
The scattering of neutral particles by an atomic nucleus can lead to electronic ionisation and excitation through a process known as the Migdal effect. We revisit and improve upon previous calculations of the Migdal effect, using the Dirac-Hartree-Fo
Externí odkaz:
http://arxiv.org/abs/2208.12222
A unified method for three-dimensional reconstruction of objects from transmission images collected at multiple illumination directions is described. The method may be applicable to experimental conditions relevant to absorption-based, phase-contrast
Externí odkaz:
http://arxiv.org/abs/2206.09151
Publikováno v:
New Journal of Physics 24, 053004 (2022)
The variational determination of the two-fermion reduced density matrix is described for harmonically trapped, ultracold few-fermion systems in one dimension with equal spin populations. This is accomplished by formulating the problem as a semi-defin
Externí odkaz:
http://arxiv.org/abs/2106.09187
In recent years, x-ray speckle tracking techniques have emerged as viable tools for wavefront metrology and sample imaging applications. These methods are based on the measurement of near-field images. Thanks to the simple experimental set-up, high a
Externí odkaz:
http://arxiv.org/abs/2003.12726
We present a method for the measurement of the phase gradient of a wavefront by tracking the relative motion of speckles in projection holograms as a sample is scanned across the wavefront. By removing the need to obtain an un-distorted reference ima
Externí odkaz:
http://arxiv.org/abs/2003.12686
Autor:
Gureyev, Timur E., Kozlov, Alexander, Nesterets, Yakov I., Paganin, David M., Quiney, Harry M.
It is proved that the width of a function and the width of the distribution of its values cannot be made arbitrarily small simultaneously. In the case of ergodic stochastic processes, an ensuing uncertainty relationship is demonstrated for the produc
Externí odkaz:
http://arxiv.org/abs/1811.12592
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