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Physics

News and Updates

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Noisy Pictures Tell a Story of 'Entangled' Atoms, JILA Physicists Find

March 22, 2005

Patterns of noise—normally considered flaws—in images of an ultracold cloud of potassium provide the first-ever visual evidence of correlated ultracold atoms, a...

Quantum Computers May Be Easier to Build Than Predicted, NIST Work Suggests

March 2, 2005

Boulder, Colo.— A full-scale quantum computer could produce reliable results even if its components performed no better than today's best first-generation...

Replace Kilogram Artifact Now With Definition Based on Nature, Experts Say

February 14, 2005

London, Feb. 14, 2005—It's time to replace the 115-year-old kilogram artifact as the world's official standard for mass, even though experiments generally...

Experiments Prove Existence of Atomic Chain 'Anchors'

February 3, 2005

Atoms at the ends of self-assembled atomic chains act like anchors with lower energy levels than the "links" in the chain, according to new measurements by...

Photo of the NIST chip-scale magnetometer

Tiny, Atom-based Detector Senses Weak Magnetic Fields

January 5, 2005

A low-power, magnetic sensor about the size of a grain of rice that can detect magnetic field changes as small as 50 picoteslas—a million times weaker than the...

Chip-Scale Magnetic Sensor Draws on Mini Clock Design

December 29, 2004

A low-power, magnetic sensor about the size of a grain of rice that can detect magnetic field changes as small as 50 picoteslas—a million times weaker than the...

David Wineland and Dietrich Leibfried wear goggles and stand in front of equipment

NIST Demonstrates Data 'Repair Kit' for Quantum Computers

December 1, 2004

A practical method for automatically correcting data-handling errors in quantum computers has been developed and demonstrated by physicists at the National...

Scientists Tame 'Hip Hop' Atoms

September 9, 2004

In an effort to put more science into the largely trial and error building of nanostructures, physicists at the Commerce Department's National Institute of...

NIST Unveils Chip-Scale Atomic Clock

August 27, 2004

The heart of a minuscule atomic clock—believed to be 100 times smaller than any other atomic clock—has been demonstrated by scientists at the Commerce...

image 1 (of 3) showing strontium atoms forming a "cube"

Scientists Report First Observation of an "Atomic Air Force"

August 18, 2004

The first sighting of atoms flying in formation has been reported by physicists at the Department of Commerce's National Institute of Standards and Technology...

David Wineland leans over a table of lasers to adjust a laser beam

NIST Demonstrates 'Teleportation' of Atomic States for Quantum Computing

June 16, 2004

Physicists at the Commerce Department's National Institute of Standards and Technology (NIST) have demonstrated "teleportation" by transferring key properties...

A Quantum Mechanical 'Tune Up' for Better Measurement

June 4, 2004

By exploiting the weird quantum behavior of atoms, physicists at the Commerce Department's National Institute of Standards and Technology (NIST) have...

NIST System Sets Speed Record For Generation of Quantum Keys for 'Unbreakable' Encryption

May 3, 2004

The fastest known cryptographic system based on transmission of single photons—the smallest pulses of light—has been demonstrated by a team at the Commerce...

Deborah S. Jin, NIST physicist, JILA Fellow, and CU adjoint associate professor Opening Statement Press conference on Fermionic Condensates, Jan. 28, 2004

January 28, 2004

Good morning. I am delighted to be here today to tell you about some exciting new results from our lab. I will start with a brief description of what we see in...