2021 Ta You Wu Lecture in Physics | A Nocturnal Discovery that Triggered a Revolution in International Metrology
Klaus von Klitzing, Nobel Laureate and Professor (Max Planck Institute for Solid State Research, Germany)
Wednesday, October 13, 2021
Large First Floor Auditorium Rackham Graduate School (Horace H.) Map
The quantum Hall effect, an unexpected discovery at 2 a.m. on the 5th of February 1980 led to my Nobel Prize in 1985 and to a realization of a resistance standard based on fundamental constants. Since fundamental constants are the most stable quantities in our universe, a new international system of units based on constants of nature was introduced in 2019. The talk presents an overview of the quantum Hall effect and this importance for our new definition of the mass unit kilogram.
|Building:||Rackham Graduate School (Horace H.)|
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