A Shabanloui, H Wu, J Müller - Gravity, Positioning and Reference …, 2022 - library.oapen.org
The current generation of optical atomic clocks has reached a fractional frequency uncertainty of 110 18 (and beyond) which corresponds to a geopotential difference of 0.1 …
A Shabanloui, H Wu, J Müller - … 2022, Austin, TX, United States of …, 2024 - books.google.com
The current generation of optical atomic clocks has reached a fractional frequency uncertainty of 1× 10-18 (and beyond) which corresponds to a geopotential difference of 0.1 …