This Week at Physics

 
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This Week at Physics

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Events During the Week of March 5th through March 12th, 2017

Monday, March 6th, 2017

Plasma Physics (Physics/ECE/NE 922) Seminar
Edge Localized Mode Suppression by Resonant Magnetic Perturbation Fields at DIII-S and ASDEX-Upgrade
Time: 12:00 pm
Place: 2317 Engineering Hall
Speaker: Dr. Raffi Nazikian, Princeton Plasma Physics Laboratory, USA
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Cosmology Journal Club
An Informal discussion about a broad variety of arXiv papers related to Cosmology
Time: 12:15 pm
Place: 5242 Chamberlin Hall
Abstract: Please visit the following link for more details:
http://cmb.physics.wisc.edu/journal/index.html
Please feel free to bring your lunch!
If you have questions or comments about this journal club, would like to propose a topic or volunteer to introduce a paper, please email Amol Upadhye (aupadhye@wisc.edu).
Host: Amol Upadhye
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Tuesday, March 7th, 2017

Council Meeting
Council meeting
Time: 12:00 pm
Place: 2314 Chamberlin hall
Host: Albrecht Karle
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Chaos & Complex Systems Seminar
Bach's integration of complexity and simplicity
Time: 12:05 pm
Place: 4274 Chamberlin (refreshments will be served)
Speaker: Trevor Stephenson, Harpsicord
Abstract: Part of the miracle of Bach’s music is that no matter how contrapuntally layered and complex a piece becomes, the idea and the meaning are never lost. Using several examples from Bach’s The Well-tempered Clavier, I will bring play and discuss how Bach achieves clarity within extremely complex systems. I'll also look at how Bach deals with near-chaotic material, such as the fugue subjects that approach a-tonality; we'd look at how he breaks down a sense of key, and then rebuilds it. I’ll also show how the unique tuning (tempering) method for the The Well-tempered Clavier assists in giving each piece a unique acoustic color. I’ll bring my 17th-century Flemish harpsichord for the presentation.
Host: Clint Sprott
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"Physics Today" Undergrad Colloquium (Physics 301)
Astrophysics with TeV particles
Time: 1:20 pm
Place: 2241 Chamberlin Hall
Speaker: Justin Vandenbroucke, UW Madison Department of Physics
Host: Wesley Smith
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Wednesday, March 8th, 2017

Faculty Candidate Search Committee Meeting
Time: 9:45 am
Place: 4272 Chamberlin Hall
Speaker: Dasu, UW-Madison
Host: Dasu
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Department Meeting
Department Meeting
Time: 12:15 pm
Place: 5310 Chamberlin hall
Speaker: Albrecht Karle
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Thursday, March 9th, 2017

R. G. Herb Condensed Matter Seminar
Hyperpolarized Spins in Nanodiamond
Time: 10:00 am
Place: 5310 Chamberlin Hall
Speaker: Ewa Rej, University of Sydney
Abstract: Nanodiamond is emerging as a platform for the development of nanoparticles for personalized medicine, based on its unique quantum mechanical properties, biocompatibility, and rich surface chemistry. Although diamonds have already been used for drug delivery of chemotherapeutics, and as optical sensors of sub cellular processes, a means of non-invasively detecting these nanoparticles in-vivo is still lacking.
I will present work towards developing nanodiamond as a new bioagent for MRI. By increasing the 13C nuclear spin polarization in diamond, we boost the detectable NMR signal by several orders of magnitude. These hyperpolarization techniques, combined with the long T1 relaxation times of up to an hour in nanodiamond, open the possibility of using standard MRI techniques to image small concentrations of nanoparticles over long time scales.
I will also present work examining T2 spin-spin relaxation times, demonstrating how T2 can increase by three orders of magnitude using hyperpolarization combined with dynamical decoupling sequences.
Host: McDermott
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NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Neutrinos, DUNE, and Liquid Argon Time Projection Chambers
Time: 11:00 am
Place: Physical Sciences Lab, Stoughton, WI
Speaker: Michelle Stancari, Fermilab
Host: Physical Sciences Lab (PSL)
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Astronomy Colloquium
Physical Conditions in the Cold ISM of Nearby Galaxies and Their Relation to Star Formation
Time: 3:30 pm
Place: 4421 Sterling Hall, Coffee and Cookies at 3:30 PM. Talk begins 3:45 PM
Speaker: Adam Leroy, Ohio State University
Abstract: I will present results from several new projects using ALMA, the IRAM mm-wave telescopes, and soon the Green Bank Telescope to map physical conditions in the molecular gas of nearby galaxies. Using multi-line spectroscopy we are able to constrain the gas density distribution in each part of the galaxy, while using high resolution CO imaging we can measure the structure (density, turbulence, and self-gravity) of the interstellar medium on the scale of individual star-forming clouds. The ability to make such measurements over a large part of a star forming galaxy is new in the last few years, thanks to the IRAM programs EMPIRE and PAWS, the beginning of ALMA operations (and our PHANGS CO survey), and upgrades to the GBT. I will show how the amount of dense gas changes across the disk of galaxies, and illustrate a more nuanced role for gas density in star formation than commonly asserted. I will also show how the basic cloud-scale structure of the cold interstellar medium changes from galaxy-to-galaxy, reflecting the local environment, and I will show how these local structural conditions relate to gas density and star formation in the best studied nearby galaxies. Finally, I will highlight first results several new surveys with ALMA (as part of the PHANGS collaboration) that promise to give us a sharp new view of cold gas in nearby galaxies over the next years.
Host: Astronomy Department
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Friday, March 10th, 2017

Physics Department Colloquium
****NOTE SPECIAL START AND END TIMES: 3:00 - 5:00 PM****
Breaking the Bias Habit
Time: 3:00 pm
Place: 2241 Chamberlin hall
Speaker: Jennifer Sheridan & Prof. Molly Carnes, UW Madison
Abstract: This two-hour workshop introduces the concepts of unconscious biases and assumptions about gender by treating the application of such biases as a "bad habit." Attendees will uncover their own biases through use of an Implicit Association Test, will discover the underlying concepts and language used in the psychological and social psychological literature to describe such processes, and will be provided with proven strategies for reducing the application of these biases.
Host: Gender Minorties and Women in Physics (GMaWiP) spearheaded by Steph Kubala
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