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physics.optics2012★ 80 cited
Augmented projections for ptychographic imaging
Stefano Marchesini, Andre Schirotzek, Chao Yang +2
Ptychography is a popular technique to achieve diffraction limited resolution images of a two or three dimensional sample using high frame rate detectors. We introduce a relaxation…
physics.comp-ph2012★ 1 cited
Elliptic preconditioner for accelerating the self consistent field iteration in Kohn-Sham density functional theory
Lin Lin, Chao Yang
We discuss techniques for accelerating the self consistent field (SCF) iteration for solving the Kohn-Sham equations. These techniques are all based on constructing approximations…