English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Quantum states in the Earth's gravitational field can be observed, whenultra-cold neutrons fall under gravity. In an experiment at the InstitutLaue-Langevin in Grenoble, neutrons are reflected and trapped in agravitational cavity above a horizontal mirror. The population of the groundstate and the lowest states follows, step by step, the quantum mechanicalprediction. An efficient neutron absorber removes the higher, unwanted states.The quantum states probe Newtonian gravity on the micrometer scale and we placelimits for gravity-like forces in the range between 1 micron and 10 microns.Comment: Aspects of Quantum Gravity, ed. by C. Laemmerzahl, Springer, Berlin,  Heidelberg 2003, (Lecture notes in physics

Quantum States of Neutrons in the Gravitational Field and Limits for Non-Newtonian Interaction in the Range between 1 μm and 10 μm