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math-ph2020
On the optimality of the rock-salt structure among lattices with charge distributions
Laurent Bétermin, Markus Faulhuber, Hans Knüpfer
The goal of this work is to investigate the optimality of the -dimensional rock-salt structure, i.e., the cubic lattice of volume with an alternation o…
math-ph2017★ 3 cited
Gaussian Distributions and Phase Space Weyl--Heisenberg Frames
Markus Faulhuber, Maurice A. de Gosson, David Rottensteiner
Gaussian states are at the heart of quantum mechanics and play an essential role in quantum information processing. In this paper we provide approximation formulas for the expansio…