Christian Bordé
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View article: Classical and quantum trampoline for ultra-cold atoms, in Quantum phenomena in gravitational field
Classical and quantum trampoline for ultra-cold atoms, in Quantum phenomena in gravitational field Open
The subjects presented here are very different. Their common feature is that they all involve quantum phenomena in a gravitational field: gravitational quantum states of ultracold antihydrogen above a material surface and measuring a gravi…
View article: The French Academy of Sciences and the systems of units: A long history!
The French Academy of Sciences and the systems of units: A long history! Open
International audience
View article: A consistent unified framework for the new system of units: Matter–wave optics
A consistent unified framework for the new system of units: Matter–wave optics Open
Thanks to considerable progress in quantum techniques, it has been possible to redefine all SI base units from fundamental constants. A last challenge is to produce a unified framework for fundamental metrology in which all base quantities…
View article: Reforming the international system of units: On our way to redefine the base units solely from fundamental constants and beyond
Reforming the international system of units: On our way to redefine the base units solely from fundamental constants and beyond Open
Our purpose is to offer a logical analysis of the system of units and to explore possible paths towards a consistent and unified system with an original perspective. The path taken here builds on the fact that, thanks to optical or matter-…