Stephan Schlamminger

Publications

Sizing up the Quantum

June 02, 2017

Author(s):

No abstract. This is a column in Nature science.

Quantum Hall Resistance Traceability for the NIST-4 Watt Balance

July 11, 2016

Author(s):

Dean G. Jarrett, Randolph E. Elmquist, Marlin E. Kraft, George R. Jones, Shamith Payagala, Frank Seifert, Stephan Schlamminger, Darine El Haddad

Scaling from the quantum Hall resistance to 100 Ω standard resistors used by the NIST-4 Watt Balance involves multiple resistance standards and bridges...

Recent measurements of the gravitational constant as a function of time

June 11, 2015

Author(s):

Stephan Schlamminger, Jens H. Gundlach, Riley D. Newman

A recent publication (J.D. Anderson et. Al., EPL 110, 1002) found a strong correlation between the measured values of the gravitational constant G and the 5.9-...

First measurements of the flux integral with the new NIST-4 watt balance

March 31, 2015

Author(s):

Darine El Haddad, Frank C. Seifert, Leon S. Chao, Yusi A. Cao, Georgio A. Sineriz, Jon R. Pratt, David B. Newell, Stephan Schlamminger

In early 2014, construction of a new watt balance, named NIST-4, has started at the National Institute of Standards and Technology (NIST). In a watt balance,...

A summary of the Planck constant measurements using a watt balance with a superconducting solenoid at NIST

February 05, 2015

Author(s):

Stephan Schlamminger, Richard L. Steiner, Darine El Haddad, David B. Newell, Frank C. Seifert, Leon S. Chao, Ruimin Liu, Edwin R. Williams

Researchers at the National Institute of Standards and Technology have been using a watt balance, NIST-3, to measure the Planck constant h for over ten years...