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Research News

March 27, 2013 | Research News

Optical Random Access Memory

The sequence of images that constitute Hollywood movies can be stored handily on solid-state media such as magnetic tape or compact diskettes. At the JQI images can be stored in something as insubstantial as a gas of rubidium atoms.

March 7, 2013 | PFC | Research News

The Future of Ion Traps

Recently Science Magazine invited JQI fellow Chris Monroe and Duke Professor Jungsang Kim to speculate on ion trap technology as a scalable option for quantum information processing. The article is highlighted on the cover of this week’s (March 8, 2013) issue, which is dedicated to quantum information. The cover portrays a photograph of a surface trap that was fabricated by Sandia National Labs and used to trap ions at JQI and Duke, among other laboratories.

February 5, 2013 | Research News

Using Single Quantum Dots to Probe Nanowires

Modern telecommunications happens because of fast electrons and fast photons. Can it get better? Can Moore’s law be sustained? Can the compactness of electronics be combined with the speed of photonics? Well, one such hybrid approach is being explored at the Joint Quantum Institute.

January 29, 2013 | PFC | Research News

An Ideal Material

An old material gets a new name, and with it, topological insulators have another chance to shine. Samarium hexaboride (SmB6) has been around since the late 1960s--but understanding its low temperature behavior has remained a mystery until recently. Experimentalists* have recently confirmed that this material is the first true 3D topological insulator—as originally predicted by JQI/CMTC theorists in 2010.

January 8, 2013 | Research News

Rudimentary Atom Capacitor

Over the past decade or so a new information modality, atomtronics, has been under development, one employing not electrons but neutral atoms as the vehicle for information. The latest chapter in this development is the demonstration of a rudimentary atomtronic analog of capacitance.

A New Phase in Reading Photons
January 6, 2013 | Research News

A New Phase in Reading Photons

A JQI photodetector beats the quantum limit by a factor of four.

December 19, 2012 | Research News

Ultracold Molecules Tamed

Paul Julienne, a fellow of the JQI, along with Goulven Quemener, who works at the Joint Institute for Laboratory Astrophysics (JILA), have written a comprehensive summary of ultracold chemistry in the journal Chemical Reviews.

December 5, 2012 | Research News

Disappearing Light

In a recently accepted Physical Review Letter, JQI researchers present a novel method to measure the strength of two of rubidium’s atomic transitions with unprecedented accuracy.

Quantum Thermodynamics
December 4, 2012 | Research News

Quantum Thermodynamics

A new calculation by scientists at the Joint Quantum Institute (JQI) and the University of Delaware shows how the warmth thrown off by nearby objects can shift energy levels of atoms.

November 28, 2012 | PFC | Research News

The First Controllable Atom SQUID

PFC-supported scientists at JQI have created the first controllable atomic circuit that functions analogously to a superconducting quantum interference device (SQUID) and allows operators to select a particular quantum state of the system at will.