Marianna S. Safronova | |
---|---|
Alma mater | Moscow State University University of Notre Dame |
Awards | APS Fellowship (2011) APS Woman Physicist of the Month |
Scientific career | |
Fields | Theoretical Atomic Physics |
Thesis | High-precision Calculations of Atomic Properties and Parity Nonconservation in Systems with One Valence Electron (2001) |
Website | http://www.physics.udel.edu/~msafrono/ |
Marianna S. Safronova is an American scientist involved in theoretical atomic physics.
Safronova received her Ph.D. in physics from the University of Notre Dame in 2001 and joined the National Institute for Standards and Technology (NIST) in 2001 as a guest researcher. In 2003, she accepted a faculty position at the University of Delaware in the Department of Physics and Astronomy where she is currently a Professor. She is also an Adjunct Fellow at the Joint Quantum Institute, NIST and University of Maryland, College Park. [1] Her research interests include the study of fundamental symmetries, atomic clocks, searches for the variation in fundamental constants, optical cooling and trapping of neutral atoms, and the development of high-precision methods for calculating atomic properties. She is a Fellow of the American Physical Society and a member of the Editorial board of the Physical Review A. [2] In December 2011, Safronova was elected as an APS fellow for her "innovative development of high-accuracy first-principles methods of computational atomic structure and dynamics and their application to optical atomic clocks, quantum computing with neutral atoms and tests of fundamental symmetries." [3] In 2012, Safronova received the American Physical Society's Woman Physicist of the Month award for August in recognition of her accomplishments as a researcher and mentor. [4]
In 2011, Safronova and colleagues gained widespread media attention when they reported on their atomic clock research at a national conference. The researchers devised a new calculation to aid ultra-precise timekeeping, findings that could potentially lead to the development of an atomic clock that loses only a second in about 32 billion years — more than twice the estimated age of the universe. [5] Only four years later in 2015, the latest modification of a record-setting strontium atomic clock achieved precision and stability levels that now meant the clock would neither gain nor lose one second in some 15 billion years— roughly the age of the universe. [6]
Safronova is also known for her community leadership. She is a fellow of the American Physical Society and the 2018–2019 chair of the American Physical Society Division of the Atomic, Molecular, and Optical Physics (DAMOP). She was a member of the Committee on a Decadal Assessment and Outlook Report on Atomic, Molecular, and Optical Science (AMO2020), National Academy of Sciences, Engineering and Medicine. She is a member of the Quantum Science and Technology journal editorial board.
In 2021, Safronova played a leading role in creating an online portal that allows atomic structure calculations to be accessible to the public. [7] The portal focuses on neutral and ionized atomic species that are of experimental interest. [8] As of 2022, Safronova and her team are in the process of expanding this portal to several other atoms.
Since 2004, Safronova has been invited to give over 250 talks at multiple universities and seminars across the world. [9]
Safronova is an expert in the field of theoretical atomic physics. She studies weak interactions in heavy atoms, ultracold atoms and atomic clocks. She also develops high-precision methodologies for the calculation of atomic properties and applications of such calculations. Her research involves both the study of the fundamental physics problems (search for new physics with atomic systems) and applications of atomic physics to future technological developments. She is the author of over 160 peer-reviewed scientific articles and over 140 presentations at colloquia, seminars, and conferences in the US and abroad.
Lene Vestergaard Hau is a Danish physicist and educator. She is the Mallinckrodt Professor of Physics and of Applied Physics at Harvard University.
In condensed matter physics, an ultracold atom is an atom with a temperature near absolute zero. At such temperatures, an atom's quantum-mechanical properties become important.
David Jeffery Wineland(born February 24, 1944) is an American Nobel-laureate physicist at the National Institute of Standards and Technology (NIST). His work has included advances in optics, specifically laser-cooling trapped ions and using ions for quantum-computing operations. He was awarded the 2012 Nobel Prize in Physics, jointly with Serge Haroche, for "ground-breaking experimental methods that enable measuring and manipulation of individual quantum systems".
An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron states in an atom are associated with different energy levels, and in transitions between such states they interact with a very specific frequency of electromagnetic radiation. This phenomenon serves as the basis for the International System of Units' (SI) definition of a second:
The second, symbol s, is the SI unit of time. It is defined by taking the fixed numerical value of the caesium frequency, , the unperturbed ground-state hyperfine transition frequency of the caesium-133 atom, to be 9192631770 when expressed in the unit Hz, which is equal to s−1.
A quantum clock is a type of atomic clock with laser cooled single ions confined together in an electromagnetic ion trap. Developed in 2010 by physicists at the U.S. National Institute of Standards and Technology, the clock was 37 times more precise than the then-existing international standard. The quantum logic clock is based on an aluminium spectroscopy ion with a logic atom.
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Philip H. Bucksbaum is an American atomic physicist, the Marguerite Blake Wilbur Professor in Natural Science in the Departments of Physics, Applied Physics, and Photon Science at Stanford University and the SLAC National Accelerator Laboratory. He also directs the Stanford PULSE Institute.
Ana Maria Rey is a Colombian theoretical physicist, professor at University of Colorado at Boulder, a JILA fellow, a fellow at National Institute of Standards and Technology and a fellow of the American Physical Society. Rey was the first Hispanic woman to win the Blavatnik Awards for Young Scientists in 2019. In 2023, she was elected to the National Academy of Sciences. She is currently the chair of DAMOP, the American Physical Society's division in Atomic, Molecular and Optical Physics (AMO).
Jun Ye is a Chinese-American physicist at JILA, National Institute of Standards and Technology, and the University of Colorado Boulder, working primarily in the field of atomic, molecular, and optical physics.
Olga Anatolevna Kocharovskaya is a distinguished professor of physics at Texas A&M University, known for her contributions to laser physics, quantum optics and gamma ray modulation.
Kate Page Kirby is an American physicist. From February 2015 to December 2020, Kirby was the chief executive officer of the American Physical Society (APS) and sits on the board of directors of the American Institute of Physics. Kate Kirby was elected a fellow of the American Physical Society (APS) in 1989 for her "innovative application of methods of quantum chemistry to the quantitative elucidation of a diverse range of molecular phenomena." She was made a fellow of the American Association for the Advancement of Science (AAAS) in 1996 for her contributions to physics.
Monika Schleier-Smith is an American experimental physicist studying many-body quantum physics by precisely assembling systems of ultracold atoms. Her research helps connect the world of theoretical and experimental physics. These atomic, molecular, and optical physics (AMO) engineered systems have applications in quantum sensing, coherent control, and quantum computing. Schleier-Smith is an associate professor of physics at Stanford University, a Sloan Research Fellow, and a National Science Foundation CAREER Award recipient. Schleier-Smith also serves on the board of directors for the Hertz Foundation and also works to improve education through speaking and serving on panels.
Hidetoshi Katori is a Japanese physicist and professor at the University of Tokyo best known for having invented the magic wavelength technique for ultra precise optical lattice atomic clocks. Since 2011, Katori is also Chief Scientist at the Quantum Metrology Lab, RIKEN.
Main Magnetic Focus Ion Source (MaMFIS) is a compact ion source with extremely high electron current density. The device is designed for production of ions of arbitrary elements in any charge states, in particular, of highly charged ions of heavy elements.
The I. I. Rabi Prize in Atomic, Molecular, and Optical Physics is given by the American Physical Society to recognize outstanding work by mid-career researchers in the field of atomic, molecular, and optical physics. The award was endowed in 1989 in honor of the physicist I. I. Rabi and has been awarded biannually since 1991.
Tanya Zelevinsky is a professor of physics at Columbia University. Her research focuses on high-precision spectroscopy of cold molecules for fundamental physics measurements, including molecular lattice clocks, ultracold molecule photodissociation, as well as cooling and quantum state manipulation techniques for diatomic molecules with the goal of testing the Standard Model of particle physics. Zelevinsky graduated from MIT in 1999 and received her Ph.D. from Harvard University in 2004 with Gerald Gabrielse as her thesis advisor. Subsequently, she worked as a post-doctoral research associate at the Joint Institute for Laboratory Astrophysics (JILA) with Jun Ye on atomic lattice clocks. She joined Columbia University as an associate professor of physics in 2008. Professor Zelevinsky became a Fellow of the American Physical Society in 2018 and received the Francis M. Pipkin Award in 2019.
Galina Khitrova was a Russian-American physicist and optical scientist known for her research on cavity quantum electrodynamics, excitons, nonlinear optics, quantum dots, and vacuum Rabi oscillations. She was a professor of optical sciences at the University of Arizona.
Francesca Ferlaino is an Italian-Austrian experimental physicist known for her research on quantum matter. She is a professor of physics at the University of Innsbruck.
Gretchen K. Campbell is an American atomic, molecular, and optical physicist associated with the National Institute of Standards and Technology. She works in the field of atomtronics and has received awards in recognition of her research contributions on Bose-Einstein condensates.
Svetlana Alexandrovna Kotochigova is a Soviet and American physicist whose research involves the theory and simulation of ultracold atoms and ultracold molecules. She is a research professor of physics at Temple University and a researcher at the National Institute of Standards and Technology and Smithsonian Astrophysical Observatory.