Events Calendar View

• CSP Lunch Seminar Sep 20, 2016

  Density functional theory studies of dopant effects on photo refractive potassium niobate

  

  Guest: Eric Suter, Center for Simulational Physics, University of Georgia
  Tuesday, September 20, 2016 12:30 pm - 1:30 pm
  Location: CSP Conference Room (322)

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• Departmental Colloquium Sep 22, 2016

  Quantum Computing with Trapped Ions

  

  Guest: Prof. Kenneth Brown, Georgia Institute of Technology
  Thursday, September 22, 2016 3:30 pm - 4:30 pm
  Location: Physics Auditorium (202)

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  Quantum computation promises an exponential algorithmic speed up over classical computation. Currently quantum computing hardware is limited by errors in the control and unwanted interactions with the environment. I will present our theoretical and experimental work on removing both control and algorithmic errors in ion trap quantum processors. I will also discuss proposals for scaling ion trap quantum computers from 10's to 100's of qubits.
• CSP Lunch Seminar Sep 27, 2016

  Density functional theory studies of dopant effects on photo refractive potassium niobite - Part II

  

  Guest: Eric Suter, Center for Simulational Physics, University of Georgia
  Tuesday, September 27, 2016 12:30 pm - 1:30 pm
  Location: CSP Conference Room (322)

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• Departmental Colloquium Sep 29, 2016

  A Golden Lesson from Nature: The Origin of Nonequilibrium Surface Roughening in Thin Film Growth

  

  Guest: Professor Fereydoon Family, Department of Physics, Emory University, Atlanta
  Thursday, September 29, 2016 4:00 pm - 5:00 pm
  Location:

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  Nature has given us tremendous inspirations since the beginning of the human civilization. Scientific progress has resulted often when new experiments have directly contradicted a well-established and verified theory. In this talk I will discuss an example of how progress was made in understanding the growth of thin films by molecular beam epitaxy when a seemingly paradoxical challenge was presented to existing theories that had been developed over a period of more than three decades. I will present an overview of the problem and how theory, simulation and experiments all played an important role in resolving this challenging problem.
• CSP Lunch Seminar Oct 4, 2016

  Theoretical approaches for multi-electron Auger process. Some progresses on the theoretical investigation of charge transfer process for atoms and molecules.

  

  Guest: Yizhi Qu, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences
  Tuesday, October 4, 2016 12:30 pm - 1:30 pm
  Location: CSP Conference Room (322)

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• Departmental Colloquium Oct 6, 2016

  Unlocking the Potential of Multiply-Charged Ions

  

  Guest: Prof. Chad E. Sosolik, Department of Physics and Astronomy, Clemson University
  Thursday, October 6, 2016 3:30 pm - 4:30 pm
  Location: Physics Auditorium (202)

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  In this talk I will discuss multi- to highly charged ions, and the broad range of physical problems, both fundamental and applied, where they appear. This will include an introduction to the Clemson University Electron Beam Ion Trap (EBIT) laboratory, where you can gain local access (less than 120 km from Athens-to-Clemson) to multiply charged ions, an otherwise unique form of matter common to the universe at large but extremely rare on Earth. As a historical tool, EBITs were designed for ground-based spectroscopy, as they provide one of the few ways of controllably testing astrophysical models in a tunable environment while probing atomic structure along the way. This interest in terrestrial astrophysics has led to the development hybrid EBITs as ion sources where extracted “beams” of ions are used to study gas, dust and ice interactions and provide data for modelling charge exchange and hollow atom decay processes. While EBITs owe their design to this astrophysical connection-to-reality, they have also opened the door for curiosity driven materials studies that have revealed unique "hillock" structures formed by ion impacts and they have led to new technology areas in modified materials, surface cleaning, self-guiding capillaries, and single ion implantation.

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