To request a media interview, please reach out to School of Physics experts using our faculty directory, or contact Jess Hunt-Ralston, College of Sciences communications director. A list of faculty experts and research areas across the College of Sciences at Georgia Tech is also available to journalists upon request.
More than ten years ago, astronomers made a discovery that has puzzled them ever since – supermassive black holes appeared to have popped up soon after the start of the Universe. It is thought to take billions of years for supermassive black holes to form, but at least 20 of them were spotted at the dawn of the Universe, just 800 million years after the Big Bang. A team of researchers from Dublin City University, Columbia University, Georgia Tech, and the University of Helsinki, have now used computer simulations to attempt to solve the mystery. The results say a black hole can grow quickly if the galaxy it is in stops forming stars....To stop stars forming, there has to be a bright galaxy nearby, emitting radiation that can split molecular hydrogen into atomic hydrogen. This prevents stars in the galaxy from forming from the molecular hydrogen...."The nearby galaxy can't be too close, or too far away, and like the Goldilocks principle, too hot or too cold," said co-author John Wise, from Georgia Tech. The researchers published their findings in Nature Astronomy. John Wise is an associate professor in the School of Physics.
in solidarity 2017-03-13T00:00:00-04:00New research clarifies how toroidal droplets—which initially take the shape of a donut—evolve into spherical droplets by collapsing into themselves or breaking up into smaller droplets. Work with droplets has implications for the life sciences, and could improve industrial processes....“Surface tension drives the evolution of the droplets,” says Alexandros Fragkopoulos, a PhD candidate at Georgia Institute of Technology. “Fluids tend to minimize their surface area for a given volume because that minimizes the energy required to have an interface between different fluids. Spherical shapes minimize that energy, and as a result, toroidal droplets want to evolve to become spherical. We’re studying how that transition occurs."...The impetus for the experimental work was inconsistencies between theoretical predictions and computer simulation of toroidal droplet transitions. What the researchers found tends to back up the simulation results. “However, the earlier theoretical work was essential in guiding the theory efforts and in illustrating what the problem was in order to correctly describe the experimental results,” says Alberto Fernandez-Nieves, in whose lab the research took place. Alexandros Fragkopoulos is a graduate teaching assistant in the School of Physics, where Alberto Fernandez-Nieves is an associate professor.
reconfigurable transceivers 2017-03-13T00:00:00-04:00Supermassive black holes sit at the center of nearly every massive galaxy situated in the universe. Scientists don’t know how supermassive black holes form, but a new paper in the journal Nature Astronomy, illustrates a theory crazy enough to perhaps work. The running hypothesis is that black holes are born out of the collapse of a star, which can eventually suck up enough mass that they grow into supermassive black holes (SBHs). That process is thought to take billions of years, but scientists have already catalogued some SBHs that date back to 13.8 billion years in age — also the age of the universe. This would mean that some SBHs, if not all, form much more quickly than scientists originally suspected...If a huge nearby galaxy could pump enough radiation into a smaller galaxy that already hosted a black hole, the radiation could split molecular hydrogen into atomic hydrogen, stopping the galaxy from forming new stars and ultimately forcing it to collapse under the gravitational pressure of the black hole. Thus, the black hole would suck up that mass and quickly become an SBH...“The nearby galaxy can’t be too close, or too far away, and like the Goldilocks principle, too hot or too cold,” said John Wise, co-author of the study and associate astrophysics professor at Georgia Tech. Wise is an associate professor in the School of Physics.
Murder Mystery 2017-03-13T00:00:00-04:00You never know when a frog playing an electronic game will lead to an experiment on the physics of saliva....Alexis C. Noel, a Ph.D. student in mechanical engineering at Georgia Tech, and her supervisor, David L. Hu, were watching a viral YouTube video in which a frog is attacking the screen of a smartphone running an ant-smashing game. It appears to be winning. They started wondering how — in reality — frog tongues stick to insects so quickly when they shoot out to grab them, and decided it was a phenomenon worth studying. David Hu is an associate professor of mechanical engineering and of biology, as well as an adjunct associate professor of physics, at Georgia Tech.
Extension of Self 2017-02-06T00:00:00-05:00Georgia Tech researchers explain how frogs maintain their grip on their prey during the speedy attacks with their prehensile tongues. The study, published in the Journal of the Royal Society Interface, was conducted by mechanical engineering Ph.D. student Alexis Noel under the guidance of David Hu, a professor of mechanical engineering and of biology and an adjunct professor of physics.
cohort 2017-02-01T00:00:00-05:00It's not every day that a diving vacation paves the way for a possible technological innovation, much less one that involves earwax. Yet, that's precisely what happened for Alexis Noel. The mechanical engineering PhD candidate at the Georgia Institute of Technology described her scuba diving trip, her boyfriend’s subsequent water-clogged ear, and the culprit—earwax—that kept the water trapped behind his eardrum to her professor, David Hu. In no time, the two were engaged in detailed discussions about the sticky substance. Then it hit: What more can be learned from earwax? David Hu is an associate professor of mechanical engineering and of biological sciences and an adjunct associate professor of physics at Georgia Tech.
Pranav Kulkarni 2017-01-25T00:00:00-05:00Students and alumni are noted for their strides in science, technology and entrepreneurship. Among them is School of Physics Ph.D. candidate Karan Jani.
Georgia Tech Lands Seven Yellow Jackets on 2017 Forbes 30 Under 30 2017-01-13T00:00:00-05:00Atlanta Magazine talks to School of Physics Professor and Director of the Center for Relativistic Astrophysics Deirdre Shoemaker and School of Physics Associate Professor Laura Cadonati, who were part of the international team that confirmed in February 2016 the existence of gravitational waves. These elusive cosmic phenomena were first predicted a century ago by Albert Einstein’s theory of relativity.
Laura Czyzewski 2016-09-01T00:00:00-04:00- ‹ previous
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Events
Soft Matter Seminar| Prof. Justin Burton | Emory UN | Host: Dr. Itamar Kolvin
Soft Matter Seminar| Prof. Justin Burton | Emory UN | Host: Dr. Itamar Kolvin
School of Physics Fall Colloquium Series- Dr. Zhenghan Wang(UCSB)
Dr. Zhenghan Wang(UCSB) Topological fault-tolerance in quantum computing
Special CRA SEMINAR| Prof. Paz Beniamini | The Open UN of Israel | Host: Prof. David Ballantyne
Special CRA SEMINAR| Prof. Paz Beniamini | The Open UN of Israel | Host: Prof. David Ballantyne
State of the School Address- Dr. Feryal Ozel
Dr. Feryal Ozel- GA Tech School of Physics Chair
CRA SEMINAR | Vikram Manikantan | UN of Arizona | Host: Dr. Matthew Liska
CRA SEMINAR | Vikram Manikantan | UN of Arizona | Host: Dr. Matthew Liska
Georgia Tech Space Week
A campus-wide celebration of innovation in the space domain, bringing together academia, industry, and government.
Experts in the News
Researchers in the School of Physics, working with King Fahd University of Petroleum and Minerals, have found that standard methods for identifying chirality in topological phases fail when applied to mixed quantum states. The study reveals that established diagnostics, including bulk-boundary correspondence and the modular commutator, are unreliable in these complex systems. Consequently, the research presents two new measures, based on relative entropy, to accurately diagnose chirality and determine the chiral central charge in decohered topological phases, indicating a need for a new set of tools when investigating mixed-state topology.
Quantum Zeitgeist 2026-07-16T00:00:00-04:00Bacteria have no neurons or memories in the human sense. Yet in a new study, researchers at Georgia Tech and Carnegie Mellon University — including School of Physics Associate Professor Shiladitya Banerjee and Postdoctoral Fellow Josiah Kratz — found that individual E. coli cells carried traces of past hardship into the future. When nutrients repeatedly rose and fell, the cells changed how quickly they grew, suggesting that even simple microbes can use experience to prepare for what may come next.
ZME Science 2026-06-10T00:00:00-04:00Georgia Tech researchers have recreated the effects of solar wind on lunar minerals in a laboratory experiment, providing new evidence that the constant stream of charged particles from the sun plays a major role in shaping the moon’s surface.
The team exposed ilmenite, a mineral commonly found on both Earth and the moon, to a synthetic version of solar wind. The experiment produced nanophase iron, tiny metallic particles that are widely observed in lunar soil and are considered a key signature of space weathering.
Interesting Engineering 2026-06-10T00:00:00-04:00A new study led by researchers, including School of Physics graduate student Julia Esposito and Associate Professor Gongjie Li, used 1,500 virtual planetary systems to examine how planet-planet scattering may have influenced the formation of Jupiter-sized planets.
American Astronomical Society NOVA 2026-05-22T00:00:00-04:00Researchers have long known that when two galaxies approach each other and merge, the supermassive black holes at their centers form a pair and are eventually expected to merge as well. It is precisely these mergers that are considered one of the sources of the gravitational-wave background — a faint “hum” of spacetime detected in recent years. However, the role played by the geometry of the collision in this process has remained an open question.
Graduate student Sena Ghobadi of the Georgia Institute of Technology’s School of Physics, along with her colleagues, has developed three-dimensional dynamic models of such collisions.
A similar story appeared in Sky & Telescope.
Universe Magazine 2026-04-28T00:00:00-04:00Research led by Georgia Tech physicist Itamar Kolvin has found that the presence of small imperfections or heterogeneities in materials can have a dual effect on their strength and resilience. While heterogeneities were historically believed to make materials stronger by creating an obstacle course for cracks, the new study shows that in some complex materials, heterogeneities can actually accelerate crack propagation and weaken the overall structure. The findings have implications for how engineers design and reinforce materials to optimize their toughness.
Atlanta Today 2026-02-27T00:00:00-05:00
