Seminars and Colloquia, January through June, 2016


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Seminars and Colloquia, Typical Week:


Oklahoma High Energy Physics Seminar on Talk-Back Television:

Date:Thursday
Time:1:30-3:00 PM
Place:106 B Studio Room, Classroom Building, OSU
& Nielsen Hall, Room 103, OU
Inquiries: joseph.haley@okstate.edu or kao@nhn.ou.edu

Physics Colloquium:

Date:Thursday
Time:3:30-4:30 PM
Place:PS 110
Inquiries: girish.agarwal@okstate.edu or perk@okstate.edu

Journal Club on Statistical Mechanics and Condensed Matter Physics, and Optics (Informal):

Date:Friday (bi)weekly
Time:2:30 PM
Place:PS 147
Inquiries: perk@okstate.edu or girish.agarwal@okstate.edu or mario.borunda@okstate.edu

Oklahoma State Physics Department

Seminars and Colloquia, January 4-8, 2016


No talks scheduled


Oklahoma State Physics Department

Seminars and Colloquia, January 11-15, 2016


First Week of Classes


Oklahoma State Physics Department

Seminars and Colloquia, January 18-22, 2016


Martin Luther King Day: Monday, January 18


Second Week of Classes


Oklahoma State Physics Department

Seminars and Colloquia, January 25-29, 2016


Physics Colloquium:

Speaker:Dr. Stephen Hughes
Department of Physics, Engineering Physics & Astronomy
Stirling Hall, Queen's University, Kingston, Ontario, Canada
Date:Thursday, January 28, 2015
Time:3:30 PM
Place:PS 110
Title:Quantum Optical Effects in “Slow-Light” Photonic Crystal Waveguides

Abstract:

Photonic crystal waveguides are periodic semiconductors for light that can control and mold the flow of photons in ways that are not possible in conventional optics. A plethora of novel light-matter interactions regimes are made possible by structurally engineering the vacuum of light with periodicity: light slows down and can be completely stopped (at least theoretically!), electromagnetic field strengths increase dramatically, and photons begin to behave quantum mechanically with unidirectional control. This talk will describe the world of light-matter interactions and quantum optics in slow-light photonic crystal waveguides, with a focus on hybrid quantum dot (artificial atom)-photonic crystal systems. I will describe the underlying physics of enhanced light-matter interactions in these open cavity structures, and give examples where one can uncontrollably emit “single photons” on a chip and create spin photon entanglers using the remarkable chiral properties of the nanoconfined light fields.

Note: The traditional student-speaker chat will begin in Physical Sciences Room 147 at 3:00 PM. All students are welcome! Refreshments will be served.


Oklahoma State Physics Department

Seminars and Colloquia, February 1-5, 2016


Physics Colloquium:

Speaker:Dr. Christopher J. Crick
Department of Computer Science
Oklahoma State University
Date:Thursday, February 4, 2015
Time:3:30 PM
Place:PS 110
Title:Shared Autonomy for Human-Robot Teams

Abstract:

We are developing mechanisms for sharing information, beliefs and intentions among human-robot teams in order to produce behavior that is much more flexible and powerful than can be attained either by direct human teleoperation (the current state of the art in real-world robotics) or by fully autonomous robots (which will remain out of reach in complex applications for a while yet).  We wish to enable teams of heterogenous robots to engage in learned behaviors which are robust to dynamic and complex environments.  Crucially, this derives from a socially-sensitive working relationship with human partners, where information can be communicated succinctly and appropriately, and human advice and control can be incorporated seamlessly into the intentions of otherwise-autonomous robots.

Note: The traditional student-speaker chat will begin in Physical Sciences Room 147 at 3:00 PM. All students are welcome! Refreshments will be served.


Condensed Matter Physics Seminar:

Speaker:Dr. Toby L. Nelson
Department of Chemistry
Oklahoma State University
Date:Friday, February 5, 2016
Time:1:30 PM
Place:PS 148, OSU
& Nielsen Hall, Room 103, OU
Title:Design and Synthesis of Organic Semiconductors:
From Transistor Paint to Eumelanin-Inspired Organic Materials

Oklahoma State Physics Department

Seminars and Colloquia, February 8-12, 2016


Oklahoma High Energy Physics Seminar on Talk-Back Television:

Speaker:Dr. Josu Cantero García
Department of Physics
Oklahoma State University
Date:Thursday, February 11, 2016
Time:1:30 PM
Place:PS 148, OSU
& Nielsen Hall, Room 103, OU
& Online Access
Title:Photon + Jet and the b-Quark Mass

Abstract:

In this talk I will present the ATLAS measurement of the photon + jet production at sqrt(s) = 7 TeV data. In addition, a study on the determination of the b-quark pole mass exploiting the angular screening effects in the ATLAS b-jet shape data will be shown.

References:

  1. ATLAS collaboration, G. Aad et al., Dynamics of isolated-photon plus jet production in pp collisions at ps = 7 TeV with the ATLAS detector. Nucl. Phys. B 875 (2013) 483-535.
  2. J. Cantero, J. Llorente, Determination of the b-quark mass mb from the angular screening effects in the ATLAS b-jet shape data. Nucl. Phys. B 889 (2014) 401-418.

Physics Colloquium:

Speaker:Dr. Douglas Natelson
Department of Physics and Astronomy
Rice University
Date:Thursday, February 11, 2015
Time:3:30 PM
Place:PS 110
Title:How Does Heating Work at the Molecular Scale?

Abstract:

When a wire is connected across a battery, energy is transferred from the macroscopic electrochemical potential difference of the battery terminals to the disorganized, microscopic degrees of freedom of the electrons and vibrational motions of the wire constituents.  How does this process work when the critical part of the “wire” consists of only a few atoms?  Atomic- and molecular scale junctions enable experiments to examine quantum systems driven far from equilibrium.  I will present measurements of shot noise and single-molecule Raman scattering in such junctions, experiments that provide information about the evolution of the local electronic and vibrational distributions in biased junctions.  I will discuss the implications of the data and prospects for future investigations of more complex quantum systems away from equilibrium.

Note: The traditional student-speaker chat will begin in Physical Sciences Room 147 at 3:00 PM. All students are welcome! Refreshments will be served.


Oklahoma State Physics Department

Seminars and Colloquia, February 15-19, 2016


Physics Colloquium:

Cancelled.


Oklahoma State Physics Department

Seminars and Colloquia, February 22-26, 2016


Oklahoma High Energy Physics Seminar on Talk-Back Television:

Speaker:Dr. Flera Rizatdinova
Department of Physics
Oklahoma State University
Date:Thursday, February 25, 2016, 2015
Time:1:30 PM
Place:PS 148, OSU
& Nielsen Hall, Room 103, OU
& Online Access
Title:TBA

Oklahoma State Physics Department

Seminars and Colloquia, February 29-March 4, 2016


Physics Colloquium:

Speaker:Dr. Vinod M. Menon
Laboratory for Nano and Micro Photonics
Department of Physics
City College of New York
Date:Thursday, March 3, 2015
Time:3:30 PM
Place:PS 110
Title:Photonic Hypercrystals: New media for control of light-matter interaction

Abstract:

The interaction of light with matter can be manipulated by controlling the photonic density of states (PDOS). In this talk I will present some of our recent results on photonic structures that enhance PDOS and its implications for enhancement of spontaneous emission rate, and control of the strength of interaction between light and excitons. I will begin with a discussion of hyperbolic metamaterials where the topology of the iso-frequency surface is engineered to control PDOS and realize broadband enhancement in spontaneous emission [1,2]. Following this, I will discuss the concept of photonic hypercrystals (PHCs) that combine the large PDOS in metamaterials with the light scattering efficiency of photonic crystals. PHCs are distinct from photonic crystals, as both material scales involved—the hypercrystal period and the unit cells of its material components—are sub-wavelength. And they are also not metamaterials, as their electromagnetic response is qualitatively different from the expected averaged behavior. I will present our recent results on simultaneous broadband enhancement of spontaneous emission rate (×20) and out-coupling (×100) from quantum dots embedded in a PHC structure [3]. Such designer photonic media with complete control over the dispersive properties provide a new platform for broadband control of light-matter interaction. Finally, time permitting, I will discuss some potential applications.

  1. H. Krishnmoorthy et al, Science 336, 205 (2012).
  2. T. Galfsky et al , Optica 2, 62 (2015).
  3. T. Galfsky et al, arXiv:1506.01132 (2015).

Note: The traditional student-speaker chat will begin in Physical Sciences Room 147 at 3:00 PM. All students are welcome! Refreshments will be served.


Oklahoma State Physics Department

Seminars and Colloquia, March 7-11, 2016


Oklahoma High Energy Physics Seminar on Talk-Back Television:

Speaker:Dr. Shreyashi Chakdar
Department of Physics
University of Virginia
Date:Thursday, March 10, 2016
Time:1:30 PM
Place:PS 148, OSU
& Nielsen Hall, Room 103, OU
& Online Access
Title:TBA

Oklahoma State Physics Department

Seminars and Colloquia, March 14-18, 2016


Student’s Spring Break


APS March Meeting


Oklahoma State Physics Department

Seminars and Colloquia, March 21-25, 2016


Joint Chemistry and Physics Colloquium:

Speaker:Dr. Richard N. Zare
Marguerite Blake Wilbur Professor in Natural Science
Department of Chemistry
Stanford University
Date:Friday, March 25, 2015
Time:3:30 PM
Place:TBA
Title:TBA

Abstract:

TBA

Note: More details will follow.


Oklahoma State Physics Department

Seminars and Colloquia, March 28-April 1, 2016


Oklahoma High Energy Physics Seminar on Talk-Back Television:

Speaker:Mr. Shaikh Saad
Department of Physics
Oklahoma State University
Date:Thursday, March 31, 2016
Time:1:30 PM
Place:PS 148, OSU
& Nielsen Hall, Room 103, OU
& Online Access
Title:TBA

Physics Colloquium:

Speaker:Dr. Mark Akselrod
Chief Scientist, Executive Manager
Stillwater Crystal Growth Division
Landauer, Stillwater, OK
Date:Thursday, March 31, 2015
Time:3:30 PM
Place:PS 110
Title:The Latest Advances in Fluorescent Nuclear Track Detector Technology for Applications
in Radiation Dosimetry, Radiobiology, Cancer Radiotherapy and Volumetric Optical Data Storage

Oklahoma State Physics Department

Seminars and Colloquia, April 4-8, 2016



Oklahoma State Physics Department

Seminars and Colloquia, April 11-15, 2016


Oklahoma High Energy Physics Seminar on Talk-Back Television:

Speaker:Dr. Peter U.E. Onyisi
Department of Physics
University of Texas at Austin
Date:Thursday, April 14, 2016
Time:1:30 PM
Place:PS 148, OSU
& Nielsen Hall, Room 103, OU
& Online Access
Title:TBA

Physics Colloquium:

Speaker:Dr. Peter U.E. Onyisi
Department of Physics
University of Texas at Austin
Date:Thursday, April 14, 2015
Time:3:30 PM
Place:PS 110
Title:TBA

Oklahoma State Physics Department

Seminars and Colloquia, April 18-22, 2016



Oklahoma State Physics Department

Seminars and Colloquia, April 25-29, 2016


Prefinals Week



Oklahoma State Physics Department

Seminars and Colloquia, May 2-6, 2016


Finals Week


Physics Colloquium:

Speaker:Dr. Robert B. Hayes
Department of Nuclear Engineering
North Carolina State University
Date:Thursday, May 5, 2015
Time:3:30 PM
Place:PS 110?
Title:An Overview of Nuclear Forensics and Security

Abstract:

The Consortium for Nonproliferation Enabling Capabilities (CNEC) at North Carolina State University (NCSU) brings together the modern R&D support provided by the Department of Energy’s (DOE) National Nuclear Security Administration (NNSA).  The presentation will review NCSU/CNEC and its support of external university research in the field of nuclear security around the country.  After this, the DOE/NNSA assets and applications in nuclear security will be given.  These will include all the basic features of emergency response as well as nonproliferation, arms control and attribution.  The basic physics underlying most nuclear forensics applications will conclude the presentation.

Bio:

The author is a Fellow of the American Physical Society having a PhD in Nuclear Engineering and a MS in Physics.  He is also a Certified Health Physicist by the American Board of Health Physics and is a Licensed Professional Nuclear Engineer in both New Mexico and Nevada.  He is currently an Associate Professor of Nuclear Engineering at North Carolina State University where he teaches nuclear radiation and reactor fundamentals.

Note: The traditional student-speaker chat will begin in Physical Sciences Room 147 at 3:00 PM. All students are welcome! Refreshments will be served.


Oklahoma State Physics Department

Seminars and Colloquia, May 9-13, 2016


No talks scheduled.


Oklahoma State Physics Department

Seminars and Colloquia, May 16-20, 2016



Oklahoma State Physics Department

Seminars and Colloquia, May 23-27, 2016



Oklahoma State Physics Department

Seminars and Colloquia, May 30-June 3, 2016



Oklahoma State Physics Department

Seminars and Colloquia, June 6-10, 2016



Oklahoma State Physics Department

Seminars and Colloquia, June 13-17, 2016



Oklahoma State Physics Department

Seminars and Colloquia, June 20-24, 2016



Oklahoma State Physics Department

Seminars and Colloquia, June 27-July 1, 2016



Last Updated:

jhhp@jperk.phy.okstate.edu