Events Calendar View

• Departmental/CSP Colloquium Feb 22, 2018

  Advancing Scientific Discovery with Quantum Computing

  

  Guest: Dr. Travis Humble, Quantum Computing Institute, Oak Ridge National Laboratory
  Thursday, February 22, 2018 4:00 pm - 5:00 pm
  Location: Physics Auditorium (202)

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  Quantum computing promises new approaches to solving hard computational problems by using the principles of quantum mechanics. At ORNL, we are using these principles to solve scientific problems by taking advantage of recent developments in quantum computing hardware and software. I will present how we are developing algorithms for simulating quantum mechanical systems and applying them to application-specific problems in chemistry, nuclear physics, and applied mathematics. With these applications, we have developed a quantum computing ecosystem that highlights the interdisciplinary effort needed to translate scientific computing to the new hardware platforms. Alongside software applications and hardware infrastructure, I will also discuss how to measure performance in quantum computers, the challenges looming for near- term demonstrations, and the milestones expected on the way toward new scientific discoveries with quantum computing.

  Biography:

  Dr. Travis Humble is a Distinguished Scientist at Oak Ridge National Laboratory and director of the lab's Quantum Computing Institute. He oversees research and development of quantum computing technologies for ORNL and in 2016 received the prestigious Department of Energy Early Career Research Award. Travis holds a joint faculty appointment with the University of Tennessee Bredesen Center for Interdisciplinary Research and Graduate Education, where he works with students to develop energy-efficient computing.

• Observatory Open House Feb 23, 2018

  Observatory Viewing

  

  Guest: Dr. Robin Shelton, UGA Physics and Astronomy
  Friday, February 23, 2018 7:30 pm - 8:30 pm
  Location: UGA Observatory (4th floor Physics Building)

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  We will be having another public viewing on February 23, 2017. Because of the limited space in the dome, you must have a reservation to come to this showing. We will begin taking reservations for this viewing on Tuesday, January 30th at 1:00pm. Click here to make a reservation.

  The observatory is located at the top of the Physics building. To get to the observatory take the elevator to the 4th floor. A guide will meet you on the 4th floor and direct your group to the stairway that leads to the observatory. As the weather can be unpredictable, we might not know whether a viewing will be possible until shortly before the event begins.

  If you need more information please call 706-542-2485.

• Departmental Colloquium Mar 8, 2018

  Dancing with Single Molecules; Single Molecules at Action under the Microscope

  

  Guest: Prof. Bingqian Xu, UGA College of Engineering
  Thursday, March 8, 2018 3:30 pm - 4:30 pm
  Location: Physics Auditorium (202)

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  Single molecule studies, where science and engineering meet, apply the tools and measurement techniques of nanoscale physics and chemistry to generate remarkable new insights into how physical, chemical, and biological systems function. It permits direct observation of molecular behavior that can be obscured by ensemble averaging and enables the study of important problems ranging from the fundamental physics of electronic transport in single molecule junctions and biophysics of single molecule interactions, such as the energetics and non-equilibrium transport mechanisms in single molecule junctions and the energy landscape of biomolecular reactions, associated lifetimes, and free energy, to the study and design of single molecules as devices-molecular wires, rectifiers and transistors and high‐affinity, and anti‐cancer drugs. We have developed a Scanning Probe Microscopy (SPM) based nanotechnology toolbox to capture single molecules and tackle some of the thorniest problems that cannot be achieved otherwise. I will describe our studies using our pioneered highly integrated SPM-based approaches to (1) simultaneously fabricate, control, modulate, and monitor the electronic and mechanical properties of molecular junction devices at the single-molecule level. (2) Probe the biophysical mechanism of single‐molecule interactions, including the binding affinity and specificity. Our recent research examples will be used in the discussions.

• CSP Lunch Seminar Mar 20, 2018

  Probing Interactions at the Nanometer Length Scale: Relevant Experiments and Theory

  

  Guest: Prof. Yohannes Abate, UGA Physics and Astronomy
  Tuesday, March 20, 2018 12:30 pm - 1:30 pm
  Location: CSP Conference Room (322)

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• Departmental Colloquium Mar 22, 2018

  Joseph Lade Pawsey-Foundation of Australian Radio Astronomy in the 20thCentury-Sydney Australia

  

  Guest: W.M. Goss, Astronomer Emeritus, Former Director Very Large Array and the Very Long Baseline Array
  Thursday, March 22, 2018 3:30 pm - 4:30 pm
  Location: Physics Auditorium (202)

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  In 1960 there were only 10 million people living in Australia, 45th in the world. Surprisingly, there were more radio astronomers (and associated engineers) than any other country. How was this possible? I will attempt to answer this remarkable achievement and show the impact that the Australians and British had in the decade 1945 to 1955, before the US began a massive program in radio astronomy. The Australians made numerous discoveries that changed the course of astronomy: the radio detection of the million degree solar corona, classification of the types of solar bursts, the invention of aperture synthesis (1945), the first earth rotation image (the quiet sun at 20 cm) and the identification of the first non-solar system objects with optical objects. Examples of the latter are the Crab Nebula, Virgo A and Centaurus A- NGC 5128 (in 1949). In addition, the first reliable all sky survey of a few thousand radio sources (at a wavelength of 3.5 m) by Mills and the elucidation of the spiral structure of the Milky Way using the newly discovered 21 cm hyperfine transition of HI (along with colleagues in the Netherlands). The major rivals of the Australians were the two groups in the United Kingdom at Cambridge and Manchester. The major cosmological conflicts between Ryle at Cambridge, a proponent of an evolving universe, and the steady state universe proposed by Hoyle, Bondi and Gold originated in 1954-1955; Mills in Sydney asserted that his source counts favoured a steady state universe.

  The founder of the Australian group was Joe Pawsey (1908-1962). Along with Prof Ron Ekers (past President of the International Union) and Dr Claire Hooker (historian of science at the University of Sydney), we are completing a book From the Sun to the Cosmos, J.L. Pawsey, Founder of Australian Radio Astronomy– to be published in 2020 and now 2/3 complete. Pawsey is one of the “big three” of radio astronomy in the post-war era: Sir Martin Ryle of the Cavendish Laboratory Cambridge (Nobel Prize Physics 1974), Sir Bernard Lovell of Jodrell Bank, University of Manchester. These three became the first radio astronomy Fellows of the Royal Society of London (Ryle-1951, Pawsey-1954 and Lovell-1955).

  I will also describe briefly three books about the history of Australian radio astronomy: two books about the first woman radio astronomer – Ruby Payne- Scott-in 2009 and 2013, and Four Pillars of Radio Astronomy: Mills, Christiansen, Wild, Bracewell in 2018. All are available via university library web sites on SPRINGERLINK for no cost. Numerous web sites about Ruby Payne-Scott are available on line.

  I became fascinated with the history of Australian radio astronomy when I moved to Australia as a postdoc over 50 years ago.

• Observatory Open House Mar 23, 2018

  Observatory Viewing

  

  Guest: Dr. Robin Shelton, UGA Physics and Astronomy
  Friday, March 23, 2018 8:30 pm - 9:30 pm
  Location: UGA Observatory (4th floor Physics Building)

  iCal

  We will be having another public viewing on March 23, 2017. Because of the limited space in the dome, you must have a reservation to come to this showing. We will begin taking reservations for this viewing on Tuesday, January 30th at 1:00pm. Click here to make a reservation.

  The observatory is located at the top of the Physics building. To get to the observatory take the elevator to the 4th floor. A guide will meet you on the 4th floor and direct your group to the stairway that leads to the observatory. As the weather can be unpredictable, we might not know whether a viewing will be possible until shortly before the event begins.

  If you need more information please call 706-542-2485.

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