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Events at Physics

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Events During the Week of November 15th through November 21st, 2020

Monday, November 16th, 2020

Plasma Physics (Physics/ECE/NE 922) Seminar
From SOL turbulence to planetary magnetospheres: computational plasma physics at (almost) all scales using the Gkeyll code
Time: 12:00 pm
Place: ZOOM Meeting
Speaker: Dr. Ammar Hakim , Princeton Plasma Physics Laboratory
Abstract: Gkeyll is a computational plasma physics package that aims to simulate plasmas at (almost) all scales. At present, the code contains solvers for three major equation systems: Vlasov-Maxwell equations, electromagnetic gyrokinetic equations and multi-fluid moment equations. These span the complete range of plasma physics; electromagnetic shocks, turbulence and first-principles sheath physics, requiring full kinetic treatment; turbulence in tokamak core and SOL, requiring EM gyrokinetics; and planetary magnetospheres, requiring fluid treatment with proper accounting of kinetic effects to capture reconnection and current sheet dynamics. In this talk I will present an overview of our recent results in performing the first nonlinear full-f, electromagnetic gyrokinetic continuum simulations of scrape-off-layer turbulence and the key algorithmic innovations made. I will also present results from simulations of Mercury's magnetosphere using our advanced multi-moment multifluid solver. I will conclude with an overview of our program, funded by ARAP-E, to study (amongst other things) equilibrium, stability and transport of the University of Wisconsin WHAM mirror.

Connection information:

Join Zoom Meeting
https://uwmadison.zoom.us/j/99156107574?pwd=RnA0ZnJHbDdlOHN1dkpFYUVYcWZpUT09

Meeting ID: 991 5610 7574
Passcode: 883688
Host: Paul Terry
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Tuesday, November 17th, 2020

Wisconsin Quantum Institute
HQAN kickoff meeting
Time: 2:00 pm
Place: virtual; please email Sarah (saperdue@wisc.edu) for log-in info and agenda
Speaker: various, HQAN
Abstract: Help kick off the new NSF Quantum Leap Challenge Institute, HQAN! We have lined up some exciting talks from leadership at our universities, the NSF, Saikat Guha, and Mark Tolbert on the first day. On the second day, we will focus on our partners and hear about their interests in collaboration.
Host: HQAN
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PGSC Seminar
Time: 2:30 pm
Place: https://uwmadison.zoom.us/j/93446409919
Speaker: Adam Frees, Matthew Beck, Jonathan Koliner, Dan Minette, Chris Greiveldinger, https://uwmadison.zoom.us/j/93446409919
Abstract: How to Go from Physics to Industry
A panel of recent UW-Madison Physics alumni will answer all your questions about deciding if industry is the right path for you. We’ll also discuss tips and tricks for landing an industry job. Bring your questions and the panel will share their experiences!

If you would like to submit an anonymous question for the panel to answer, you can use this Google Form: https://forms.gle/zW8qs1ssMSeJAnhS6
Host: Rob Morgan, graduate student
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Network in Neutrinos, Nuclear Astrophysics, and Symmetries (N3AS) Seminar
Dark Matter: A Cosmological Perspective
Time: 3:30 pm
Place: https://berkeley.zoom.us/j/91922781599
Speaker: Katie Mack , North Carolina State University
Abstract: While it is considered to be one of the most promising hints of new physics beyond the Standard Model, dark matter is as-yet known only through its gravitational influence on astronomical and cosmological observables. I will discuss our current best evidence for dark matter's existence as well as the constraints that astrophysical probes can place on its properties, while highlighting some tantalizing anomalies that could indicate non-gravitational dark matter interactions. Future observations, along with synergies between astrophysical and experimental searches, have the potential to illuminate dark matter's fundamental nature and its influence on the evolution of matter in the cosmos from the first stars and galaxies to today.
Host: Baha Balantekin
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Wednesday, November 18th, 2020

Physics ∩ ML Seminar
Euclidean Neural Networks: Adventures in learning with 3D geometry and geometric tensors
Time: 11:00 am
Place: Online Seminar: Please sign up for our mailing list at www.physicsmeetsml.org for zoom link
Speaker: Tess Smidt, Lawrence Berkeley Laboratory
Host: Gary Shiu
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Department Meeting
Department Meeting - CANCELLED
Time: 12:15 pm
Place: Virtual see "abstract" for connection info
Speaker: Sridhara Dasu, Department Chair, UW-Madison
CANCELLED due to lack of urgent business. Next Meeting is 12/02/20.
Host: CANCELLED due to lack of urgent business.
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Wisconsin Quantum Institute
HQAN kickoff meeting
Time: 2:00 pm
Place: virtual; please email Sarah (saperdue@wisc.edu) for log-in info and agenda
Speaker: various, HQAN
Abstract: Help kick off the new NSF Quantum Leap Challenge Institute, HQAN! We have lined up some exciting talks from leadership at our universities, the NSF, Saikat Guha, and Mark Tolbert on the first day. On the second day, we will focus on our partners and hear about their interests in collaboration.
Host: HQAN
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Thursday, November 19th, 2020

Academic Calendar
Online - Faculty Spotlight: Masters in Learning Analytics Program
Time: 12:00 pm
Place:
Abstract: Join Dr. David Williamson Shaffer, professor, curriculum advisor and area chair in the Department of Educational Psychology, as he discusses the future of the learning analytics industry and takes your questions. URL: https://www.tfaforms.com/4852012 ONLINE EVENT: https://www.tfaforms.com/4852012
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Cosmology Journal Club
Time: 12:00 pm
Place:
Abstract: Cosmology Journal Club is back! We will be having virtual meetings this semester.

Each week, we start with a couple scheduled 15 minute talks about one's research, or an arXiv paper. The last 30 minutes will typically be open to the group for anyone to discuss an arXiv paper.

All are welcome and all fields of cosmology are appropriate.

Contact Ross Cawthon, cawthon@wisc, for more information.
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Astronomy Colloquium
"Investigating the Signatures of Substellar Ingestion"
Time: 3:30 pm
Place: Zoom meeting(see Abstract ) Coffee and tea 3:30pm, Talk 3:45pm
Speaker: Melinda Soares-Furtado, UW Astronomy Department
Abstract: What are the observable effects induced by substellar ingestion? Do we have any hope of unambiguously detecting such signatures? In this talk, I address these open questions, describing my efforts to unveil stellar hosts that have ingested their substellar companions within open cluster environments. Such sources will offer valuable constraints to test stellar evolutionary models. Moreover, they will provide a rare opportunity to directly measure the bulk composition of substellar companions. I will describe the challenges of modeling the substellar disassociation process, particularly as it pertains to dense brown dwarf companions. I will review promising engulfment-derived chemical and rotational tracers. Lastly, to detect these cannibal stars, I will emphasize a need for targeted photometric and spectroscopic surveys among stars in open clusters.

Zoom URL: https://us02web.zoom.us/j/88513896776?pwd=Y1JtRE1KZllxWkFTamJBSGtGdm9yQT09

Meeting ID: 885 1389 6776
Passcode: 713070
Host: Professor Ellen Zweibel
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Academic Calendar
Masters in Learning Analytics Webinar
Time: 5:00 pm
Place:
Abstract: Informational session to learn about the program. Learn more about the Department of Educational Psychology's new online graduate program. The session will cover program logistics, curriculum details, tips for applying, and will open to any individual questions. Note: Applicants who attend the webinar will have their $75 application fee waived. For more information on the program, visit www.learninganalytics.education.wisc.edu CONTACT: 858-337-5858, jrutledge@wisc.edu URL: https://learninganalytics.education.wisc.edu/
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Friday, November 20th, 2020

Graduate Introductory Seminar (Physics 701)
Neutrino Oscillations - A Door To New Physics
Time: 12:05 pm
Place: BBCollaborate
Speaker: Brian Rebel, UW Madison Department of Physics
Host: Sridhara Dasu
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Graduate Introductory Seminar (Physics 701)
Neutrino Oscillations - A Door To New Physics
Time: 12:05 pm
Place: BBCollaborate
Speaker: Brian Rebel, UW Madison Department of Physics
Host: Sridhara Dasu
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Department Coffee Hour
Time: 3:30 pm
Place: https://cern.zoom.us/j/98625439661?pwd=NmNMeit4aGNLOSs3eHl0RHk0ZHRKUT09
Abstract: Join us weekly for an informal virtual coffee hour! Catch up with others in the department, tell us how things are going, and impress everyone with your Zoom background skills. Coffee Hour is open to any and all faculty, staff, and students in the department. Sometimes we have a topic, and we'll try to get that topic posted here in advance or sent out by email before each coffee hour.
Host: Department
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