Nature
Quantum states of neutrons in the Earth's gravitational field
Валерий Викторович Несвижевский, Hans G. Börner, Alexander K. Petukhov, H. Abele, S. Baeßler, F. J. Rueß, Thilo Stöferle, Alexander Westphal, Alexei M. Gagarski, G. A. Petrov, Alexander V. Strelkov