News & Research Highlights

Astrophysics
JILA Fellow Phil Armitage moves on
Published: June 25, 2019

JILA Fellow Phil Armitage is moving on from the University of Colorado. 

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Investigators: Phil Armitage
Precision Measurement
JILA's Tanya Roussy wins 2019 GPMFC prize
Published: June 03, 2019

JILA graduate Tanya Roussy was honored at the 2019 DAMOP meeting.

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Investigators: Eric Cornell
Atomic & Molecular Physics
Thinh Bui wins Longuet-Higgins Early Career Researcher Prize
Published: May 30, 2019

Thinh Bui, a postdoctoral researcher in Jun Ye's group, won an early career prize from the journal Molecular Physics.

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Investigators: Jun Ye
Other
JILA Fellow Ana Maria Rey named finalist for Blavatnik Award for Young Scientists
Published: May 29, 2019

JILA Fellow Ana Maria Rey has been named a finalist for the prestigious Blavatnik Award for Young Scientists.

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Investigators: Ana Maria Rey
Quantum Information Science & Technology
Tying Quantum Knots with an Optical Clock
Published: May 22, 2019

Getting a cluster state of perfectly entangled atoms for quantum computing may be easier using a tool in JILA's laboratory.

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Related Publications: Cluster State Generation with Spin-Orbit Coupled Fermionic Atoms in Optical LatticesInvestigators: Ana Maria Rey
JILA PFC News
JILA Fellow Murray Holland wins Marinus Smith Award
Published: May 14, 2019

JILA Fellow Murray Holland was recognized for his outstanding teaching skills this spring.

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Investigators: Murray Holland
Atomic & Molecular Physics | Precision Measurement
Thomas Perkins wins Gears of Government Award
Published: May 13, 2019

Dr. Thomas Perkins won a Gears of Government Award for his work in atomic force microscopy. 

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Investigators: Thomas Perkins
Other
JILA's Mike Bennett wins Anne K. Heinz Staff Award for Excellence in Outreach and Engagement
Published: May 08, 2019

Hard work pays off. Mike Bennett was honored by CU for expanding JILA's outreach efforts through the Partnerships for Informal Science Education in the Community. 

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Atomic & Molecular Physics | Laser Physics | Other
Chris Greene, former JILA Fellow, named to National Academy of Sciences
Published: May 03, 2019

Chris Greene, professor of physics and astronomy at Purdue University and former JILA Fellow, was named to the National Academy of Sciences.

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Quantum Information Science & Technology
Chaos reigns in a quantum ion magnet
Published: April 29, 2019

JILA researchers have proposed an experiment that would allow them to study rapid scrambling of quantum information, similar to what happens at the event horizon of a black hole. 

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Investigators: Ana Maria Rey
Other
JILA’s PISEC High School Poster Symposium brings real science to students
Published: April 19, 2019

High school students got a chance to show off their research at JILA.

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Investigators: Eric Cornell
Atomic & Molecular Physics
Marit Fiechter wins SPIN prize for best undergraduate physics thesis
Published: April 17, 2019

Marit Fiechter, an undergraduate at the University of Groningen and former JILA student, won the SPIN prize for best undergraduate thesis project.

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Investigators: Jun Ye
Atomic & Molecular Physics
Optical tweezers achieve new feats of capturing atoms
Published: April 04, 2019

Trapping single atoms is a bit like herding cats, which makes researchers at the University of Colorado Boulder expert feline wranglers. In a new study, a team led by physicist Cindy Regal showed that it could load groups of individual atoms into large grids with an efficiency unmatched by existing methods.  

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Investigators: Cindy Regal
Laser Physics
The Snowflake of Insulators
Published: March 01, 2019

By using ultrafast lasers to measure the temperature of electrons, JILA researchers have discovered a never-before-seen state in an otherwise standard semiconductor. This research is the most recent demonstration of a new technique, called ultrafast electron calorimetry, which uses light to manipulate well-known materials in new ways.

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Related Publications: Ultrafast electron calorimetry uncovers a new long-lived metastable state in 1T-TaSe2 mediated by mode-selective electron-phonon couplingInvestigators: Margaret Murnane | Henry Kapteyn
Biophysics
Pulling apart HIV
Published: February 27, 2019

JILA researchers have demonstrated a much easier, faster and more precise way to understand the structure and function of the HIV RNA molecule, especially the HIV RNA hairpin. Furthermore, the techniques developed for this research promise to allow a wider range of users to study similar biological molecules, as they are built upon commercially available and user-friendly atomic force microscopes, or AFMs.

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Related Publications: High-precision single-molecule characterization of the folding of an HIV RNA hairpin by atomic force microscopyInvestigators: Thomas Perkins
Atomic & Molecular Physics
Buckyballs Play by Quantum Rules
Published: February 22, 2019

When the Ye group measured the total quantum state of buckyballs, we learned that this large molecule can play by full quantum rules. Specifically, this measurement resolved the rotational states of the buckyball, making it the largest and most complex molecule to be understood at this level.

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Related Publications: Rovibrational quantum state resolution of the C60 fullereneInvestigators: Jun Ye
Atomic & Molecular Physics
The Strontium Optical Tweezer
Published: January 25, 2019

JILA researchers have, for the first time, trapped a single alkaline-earth atom and cooled it to its ground state. To trap this atom, researchers used an optical tweezer, which is a laser focused to a pinpoint that can hold, move and manipulate atoms. The full motional and electronic control wielded by this tool enables microscopically precise studies of the limiting factors in many of today’s forefront physics experiments, especially quantum information science and metrology. 

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Related Publications: Microscopic Control and Detection of Ultracold Strontium in Optical-Tweezer ArraysInvestigators: Adam Kaufman
Atomic & Molecular Physics
The First Quantum Degenerate Polar Molecules
Published: January 18, 2019

Understanding chemistry requires understanding both molecules and quantum physics. The former defines the start and end of chemical reactions, the latter dictates the dynamics in between. JILA researchers now have a better understanding of both.

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Related Publications: Microscopic Control and Detection of Ultracold Strontium in Optical-Tweezer ArraysInvestigators: Jun Ye
Atomic & Molecular Physics
Jun Ye and Deborah Jin named 2018 Highly Cited Researchers
Published: December 03, 2018

JILA Fellows Jun Ye and Deborah Jin (1968 to 2016) have been named Highly Cited Researchers for 2018 by Clarivate Analytics.The list of Highly Cited Researchers, published annually since 2014, recognizes scientists across the world who have demonstrated significant influence through publication of multiple highly cited papers during the last decade.

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Investigators: Deborah Jin | Jun Ye
Atomic & Molecular Physics
Taming Chemistry at the Quantum Level
Published: October 04, 2018

In the vast stretches between solar systems, heat does not flow and sound does not exist. Action seems to stop, but only if you don’t look long enough. Violent and chaotic actions occur in the long stretches of outer space. These chemical reactions between radicals and ions are the same reactions underlying the burn of a flame and floating the ozone above our planet. But they’re easy to miss in outer space because they’re very rare.

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Related Publications: Quantum-state-controlled reactions between molecular radicals and ionsInvestigators: Heather Lewandowski