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Stephan Schlamminger (Fed)

Physicist

Stephan Schlamminger received a diploma in physics from the University of Regensburg, Germany, in 1998 and a Ph.D. degree in experimental physics from the University of Zurich, Switzerland, in 2002. The topic of his thesis work was the determination of the gravitational constant. From 2002 to 2010, he worked at the University of Washington on an experimental test of the equivalence principle. In 2010, he came to the National Institute of Standards and Technology to work on the watt balance (now Kibble balance). He became the group leader of the fundamental electrical measurement group in 2016. From 2017 to 2018, he taught physics at the Regensburg University of Applied Science. Since the Fall of 2018, he has been working as a physicist in the Fundamental Electrical measurement group within the Physical Measurement Laboratory at the National Institute of Standards and Technology on topics related to the realization of the unit of mass and impedance measurements.

His research interests include precision mechanical and electromechanical measurements, signal conditioning, and data analysis. He contributed to the 2019 revision of the International System of Units (SI) and is interested in precisely determining the gravitational constant.

Publications

A Macroscopic Mass From Quantum Behavior In An Integrated Approach

Author(s)
Frank Seifert, Alireza Panna, Lorenz Keck, Leon Chao, Shamith Payagala, Dean G. Jarrett, Dipanjan Saha, Randolph Elmquist, Stephan Schlamminger, Albert Rigosi, David B. Newell, Darine El Haddad
The revision of the International System of Units (SI) on May 20th, 2019, has enabled new improved experiments to consolidate and simplify electrical and

Calculation of magnetic forces and torques on the Kibble coil

Author(s)
Stephan Schlamminger, Lorenz Keck, Frank Seifert, Leon Chao, Darine El Haddad, Shisong Li
Analytically the force and torques on a coil in a field of magnetic flux density can be calculated one of two ways. The line integral can be conducted along the

The kilogram: inertial or gravitational mass?

Author(s)
Stephan Schlamminger, Giovanni Mana
The redefinition of the international system of units fixes the values of the unperturbed ground state hyperfine transition frequency of the $^133}$Cs atom
Created June 4, 2019, Updated December 8, 2022