• Research News

    New Photonic Chip Spawns Nested Topological Frequency Comb

    Scientists on the hunt for compact and robust sources of multicolored laser light have generated the first topological frequency comb. Their result, which relies on a small silicon nitride chip patterned with hundreds of microscopic rings, will appear in the June 21, 2024 issue Read More
  • Research News

    Attacking Quantum Models with AI: When Can Truncated Neural Networks Deliver Results?

    Currently, computing technologies are rapidly evolving and reshaping how we imagine the future. Quantum computing is taking its first toddling steps toward delivering practical results that promise unprecedented abilities. Meanwhile, artificial intelligence remains in public conversation as it’s used for everything from writing business Read More
  • Research News

    IceCube Observes Seven Astrophysical Tau Neutrino Candidates

    Neutrinos are tiny, weakly interacting subatomic particles that can travel astronomical distances undisturbed. As such, they can be traced back to their sources, revealing the mysteries surrounding the cosmos. High-energy neutrinos that originate from the farthest reaches beyond our galaxy are called astrophysical neutrinos Read More
  • Research News

    A Focused Approach Can Help Untangle Messy Quantum Scrambling Problems

    The world is a cluttered, noisy place, and the ability to effectively focus is a valuable skill. For example, at a bustling party, the clatter of cutlery, the conversations, the music, the scratching of your shirt tag and almost everything else must fade into Read More
  • Research News

    New Laser Experiment Spins Light Like a Merry-go-round

    In day-to-day life, light seems intangible. We walk through it and create and extinguish it with the flip of a switch. But, like matter, light actually carries a little punch—it has momentum. Light constantly nudges things and can even be used to push spacecraft. Read More
  • Research News

    The Many Wonders of Uranium Ditelluride

    In the menagerie of exotic materials, superconductors boast their own vibrant ecosystem. All superconductors allow electricity to flow without any resistance. It’s their hallmark feature. But in many cases, that’s where the similarities end. Some superconductors, like aluminum, are conventional—run-of-the-mill, bread-and-butter materials that are Read More
  • Research News

    Simulations of ‘Backwards Time Travel’ Can Improve Scientific Experiments

    If gamblers, investors and quantum experimentalists could bend the arrow of time, their advantage would be significantly higher, leading to significantly better outcomes. Adjunct Assistant Professor and JQI affiliate Nicole Yunger Halpern and her colleagues at the University of Cambridge have shown that by Read More
  • Research News

    Embracing Uncertainty Helps Bring Order to Quantum Chaos

    In physics, chaos is something unpredictable. A butterfly flapping its wings somewhere in Guatemala might seem insignificant, but those flits and flutters might be the ultimate cause of a hurricane over the Indian Ocean. The butterfly effect captures what it means for something to Read More
  • Research News

    Advocating for Quantum Simulation of Extreme Physics

    The Big Bang, supernovae, collisions of nuclei at breakneck speeds—our universe is filled with extreme phenomena, both natural and human-made. But the surprising thing is that all of these seemingly distinct processes are governed by the same underlying physics: a combination of quantum mechanics Read More
  • 1 New Photonic Chip Spawns Nested Topological Frequency Comb
  • 2 Attacking Quantum Models with AI: When Can Truncated Neural Networks Deliver Results?
  • 3 IceCube Observes Seven Astrophysical Tau Neutrino Candidates
  • 4 A Focused Approach Can Help Untangle Messy Quantum Scrambling Problems
  • 5 New Laser Experiment Spins Light Like a Merry-go-round
  • 6 The Many Wonders of Uranium Ditelluride
  • 7 Simulations of ‘Backwards Time Travel’ Can Improve Scientific Experiments
  • 8 Embracing Uncertainty Helps Bring Order to Quantum Chaos
  • 9 Advocating for Quantum Simulation of Extreme Physics
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Department News

  • Jun 18, 2024 Eno Chosen as Leader of US Future Higgs Factory Effort In June, 2024, a “Future Circular Collider” (FCC) workshop was held in San Francisco. Gina Rameika, Associate Director for the Office of High Energy Physics at the Department of Energy's Office of Science,  announced a new joint NSF/DOE organization to lead the U.S. effort on future Higgs factories.  Read More
  • Jun 17, 2024 Gorshkov Wins IEEE Photonics Society Quantum Electronics Award Adjunct Professor and Alexey Gorshkov has won the 2024 Institute of Electrical and Electronics Engineers (IEEE) Photonics Society Quantum Electronics Award. Each year the IEEE Photonics Society recognizes one individual or team with the award for outstanding contributions to quantum electronics. Gorshkov, who is also a Physicist at the Read More
  • Jun 7, 2024 Melanie Knouse Cline, 1990-2024 Melanie Knouse Cline, a coordinator in the Maryland Center for Fundamental Physics (MCFP), died unexpectedly on June 3, 2024 at the age of 33. Melanie joined the department in 2018, but her association with UMD Physics began at birth. Her father, Ernie Knouse, was a UMD Read More
  • Jun 7, 2024 Alumnus Named to Chilean Academy of Sciences Alumnus Juan Alejandro Valdivia has been named a corresponding member of the Chilean Academy of Sciences.  Valdivia received both his undergraduate and graduate degrees at the University of Maryland. He earned his B.S. magna cum laude in 1991 in three majors (physics, mathematics and astronomy). He Read More
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Upcoming Events

9 Jul
QuICS Special Seminar: Marcos Crichigno
Date Tue, Jul 9, 2024 1:00 pm - 2:00 pm
10 Jul
QuICS Seminar: Yunchao Liu
Wed, Jul 10, 2024 11:00 am - 12:00 pm
11 Jul
RQS Seminar: Elizabeth Bennewitz
Thu, Jul 11, 2024 11:00 am - 12:00 pm
19 Jul
Dissertation Defense: Ali Izadi Rad
Fri, Jul 19, 2024 2:00 pm - 4:00 pm
21 Oct
EPT Seminar
Mon, Oct 21, 2024 4:00 pm - 5:00 pm
3 Dec
Shih-I Pai Lecture
Tue, Dec 3, 2024 4:00 pm - 5:00 pm

Shawhan Named a Distinguished Scholar-Teacher

Peter Shawhan has been named a University of Maryland Distinguished Scholar-Teacher. The award honors faculty of outstanding scholarly accomplishment and excellence in teaching. He will give his DST lecture, The Simple (and Not-So-Simple) Physics of Detecting Gravitational Waves, on Tuesday, December 7, 2021 at 4 p.m. in lecture hall 1412 of the John S. Toll Physics Building. Refreshments precede the event, starting at 3:30 p.m.

"Peter clearly deserves this recognition," said physics chair Steve Rolston. "He has been a key contributor to LIGO's celebrated successes, and we are just beginning to reap the rewards of his great contributions to multi-messenger astronomy," which integrates data from previously-disconnected satellites and observatories. "Peter is equally dedicated to our education mission. He was an excellent graduate director for five years, and has been a great teacher across the range of our course offerings. Last fall, he designed and launched PHYS 172, Succeeding in Physics, to help students who might otherwise struggle with the major's requirements to build better understanding."

Shawhan is also chair of the department's newly-established Climate Committee, which is working to ensure a welcoming and supportive environment for all.Peter ShawhanPeter Shawhan

“I’m fortunate to have an amazing group of colleagues who made LIGO a reality, after decades of careful preparations,” said Shawhan.  “It really works!  And now we are routinely detecting gravitational wave events from galaxies far, far away and getting important astrophysics insights from them.  But one of the great things about being a professor is that I can also talk about current research in my classes, connecting it with the course material and sharing some of the excitement of actually using physics to do revolutionary things.”

Shawhan received his Ph.D. in physics from the University of Chicago, and was appointed a Millikan Prize Postdoctoral Fellow at the California Institute of Technology. He continued at Caltech as a Senior Scientist before accepting a faculty appointment with UMD Physics in 2006.  Shawhan’s primary research for the past 20 years has been direct detection of gravitational waves with the LIGO and Virgo detectors, and he has held numerous leadership positions within the LIGO Scientific Collaboration, including Burst Analysis Working Group Co-Chair (2004-11) and LSC Data Analysis Coordinator (2017-present).  He was instrumental in establishing and nurturing a program of sharing prompt information about gravitational-wave event candidates with astronomers to allow them to look for corresponding signals in their instruments.  That groundwork enabled a remarkably rich campaign of astronomical follow-up observations and study, spanning the whole electromagnetic spectrum, when LIGO and Virgo detected the first binary neutron merger event, in August 2017.  That first event has provided scientific breakthroughs in fundamental physics, neutron star properties, high-energy astrophysics, and cosmology.  LIGO and Virgo are currently being upgraded and preparing to report more event candidates as they are identified.

Shawhan served as the Physics Associate Chair for Graduate Education from 2014-19 and is a member of the UMD-Goddard Joint Space-Science Institute and its Executive Committee. In addition, he is a past Chair of the Division of Gravitational Physics of the American Physical Society and was elected an APS fellow in 2019. Shawhan received the Richard A. Ferrell Distinguished Faculty Fellowship from the UMD Department of Physics in 2016. He was the recipient in 2018 of the Kirwan Faculty Research and Scholarship Prize and the USM Board of Regents Faculty Award for Excellence in Research.