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physics.chem-ph2021★ 5 cited
Semiclassics: The hidden theory behind the success of DFT
Pavel Okun, Kieron Burke
We argue that the success of DFT can be understood in terms of a semiclassical expansion around a very specific limit. This limit was identified long ago by Lieb and Simon for the…
physics.chem-ph2020
Uncommonly accurate energies for the general quartic oscillator
Pavel Okun, Kieron Burke
Recent advances in the asymptotic analysis of energy levels of potentials produce relative errors in eigenvalue sums of order , but few non-trivial potentials have been s…