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Research News

Stacking the Deck for Photon Transit
January 4, 2010 | Research News

Stacking the Deck for Photons

Adapted from information supplied by the Public Affairs Office at NIST

Ultracold Gases
December 10, 2009 | Research News

Soliton in Ultracold Gases

Solitary waves that run a long distance without losing their shape or dying out are a special class of waves called solitons. These everlasting waves are exotic enough, but JQI theoreticians and colleagues in India and the George Mason University now believe that there may be a new kind of soliton that’s even more special.

December 2, 2009 | Research News

Synthetic Magnetism Achieved by Optical Methods in Ultracold Atoms

For the first time, physicists have used laser light to create "synthetic magnetism," an exotic condition in which neutral atoms suddenly begin to behave as if they were charged particles interacting with a magnetic field -- even though no such field is present and the atoms have no charge.

Entangled Photons from Quantum Dots
November 11, 2009 | Research News

Entangled Photons from Quantum Dots

To exploit the quantum world to the fullest, a key commodity is entanglement—the spooky, distance-defying link that can form between objects such as atoms even when they are completely shielded from one another.

Credit: Eite Tiesinga, NIST/JQI
October 20, 2009 | Research News

Controlling Trapped Atoms with RF

Investigating mysterious data in ultracold gases of rubidium atoms, scientists at the Joint Quantum Institute and collaborators have found that properly tuned radio-frequency waves can influence how much the atoms attract or repel one another, opening up new ways to control their interactions.

Diamond Sparkle as Quantum Information
September 10, 2009 | Research News

Diamond Sparkle as Quantum Information

Researchers have devised a means of dramatically increasing the fidelity of key quantum measurements in diamond crystal, a development that could lead to the creation of high-resolution magnetic sensors and to powerful new techniques for quantum computation.

Spin Frustration in Three Ions
September 10, 2009 | Research News

Benefits of Frustration

Scientists have demonstrated a new way to control quantum interactions that makes it possible to fine-tune the way in which the magnetic properties of trapped atoms couple to, and are "entangled" with, those of their neighbors -- a development with potentially important applications in quantum computing and condensed-matter simulations.

Damped Motion
July 28, 2009 | Research News

Motion Damping Explained

Theorists have provided an explanation for experimental quantum-mechanical findings that have puzzled researchers for years, opening new possibilities for studying and manipulating ultracold atoms in lattices.

Opening A Remote Quantum Gate
July 21, 2009 | Research News

Opening a Remote Quantum Gate

Physicists have created and demonstrated a remote “quantum gate” – a key component for long-range quantum information transfer and an essential element of one plan for a quantum computer – by carefully manipulating the atomic states of two separately trapped ions.

Controlling Bits
July 7, 2009 | Research News

Controlling Individual Bits

Physicists at the National Institute of Standards and Technology (NIST) have overcome a hurdle in quantum computer development, having devised* a viable way to manipulate a single “bit” in a quantum processor without disturbing the information stored in its neighbors.