Theory of the optical properties of materials | NIST
The article discusses NIST’s research on calculating the optical properties of materials using the Bethe-Salpeter Equation (BSE) method.…
Cold-atom-based sensor for measuring pressure in the ultra-high vacuum domain | NIST
NIST is developing a cold-atom vacuum sensor (CAVS) to measure ultra-high vacuum (UHV) pressures down to 10-9 torr, where no reliable tools…
Controlling collisions between laser-cooled atoms using magnetic fields and nano-eV colliders | NIST
Researchers at NIST are studying collisions between ultra-cold atoms using magnetic fields and nano-eV colliders. They focus on understanding…
1970s – History of NIST Quantum Voltage Standards | NIST
In the 1970s, NIST redefined the working volt using the Josephson effect, a phenomenon discovered by Brian Josephson in 1962. A Josephson…
Fundamental Physics: Magnetically Trapped Neutron Lifetime Experiment | NIST
The article discusses an experimental approach to measuring the neutron lifetime using ultracold neutrons (UCN) trapped in a three-dimensional…
Basic Metrology: Remote Sensing Methods for Imaging Dose to Water | NIST
Title: NIST Develops Advanced Remote Sensing Methods for Accurate Radiation Dose Measurement Summary: The National Institute of Standards and…
Interferometry: Precision Scattering Length Measurements of Low-Z Isotopes using Neutron Interferometry | NIST
Researchers at NIST have made precise measurements of the neutron scattering length for helium-4 using neutron interferometry. The scattering…
Interferometry: Neutron Interferometry with Polarized Neutrons as an Additional Degree of Freedom | NIST
Researchers at NIST have developed a new method to improve the performance of neutron interferometers using quantum information processing…
Interferometry: Quantum Error Coding in a 4-Blade Neutron Interferometer | NIST
Researchers at the University of Waterloo have developed a new type of neutron interferometer that is less sensitive to low-frequency…