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This Week at Physics

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Events During the Week of February 19th through February 26th, 2017

Monday, February 20th, 2017

Plasma Physics (Physics/ECE/NE 922) Seminar
Optimizing 3-D Configurations
Time: 12:00 pm
Place: 2317 Engineering Hall
Speaker: Dr. Andrew Ware, University of Montana, 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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Faculty Search Committee Meeting
Time: 5:00 pm
Place: 2314 Chamberlin Hall
Speaker: Dasu
Host: Dasu
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Tuesday, February 21st, 2017

Council Meeting
Council meeting
Time: 12:00 pm
Place: 2314 Chamberlin hall
Host: Albrecht Karle
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"Physics Today" Undergrad Colloquium (Physics 301)
Biomineralization
Time: 1:20 pm
Place: 2241 Chamberlin Hall
Speaker: Pupa Gilbert, UW Madison Department of Physics
Host: Wesley Smith
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NPAC (Nuclear/Particle/Astro/Cosmo) Forum
A Deep Look for New Physics with Neutrino Oscillations
Time: 4:00 pm
Place: 4274 Chamberlin Hall
Speaker: Taritree Wongjirad, MIT
Abstract: The study of the neutrino is currently one of most promising ways to search for beyond Standard Model Physics. Already, a beyond Standard Model effect has been observed wherein neutrinos transform from one type to another through a process known as neutrino oscillations. Through further measurements of neutrino oscillations, the field aims to answer additional open questions such as “do neutrinos and anti-neutrinos behave the same way?” and “how many types of neutrinos are there?”. The answers will impact not only our understanding of particle physics but also will influence our models of how the universe evolved. However, to get to these answers, neutrino experiments will need to move into an era of high-precision measurements. One way to achieve this is through the use of a detector known as a liquid argon time-projection chamber, or LArTPC. These detectors are capable of producing high-resolution images of neutrino interactions that can be used to reject backgrounds more effectively than past experiments. In this talk, I will describe the LArTPC experiments that will take place over the next decade and how they will aim to search for signs of a new type of neutrino and to measure CP-violation in the neutrino sector. I will describe some of the opportunities and challenges I have faced as a member of the MicroBooNE experiment, which is now successfully employing a LArTPC detector. In particular, I will describe efforts to analyze LArTPC data using Deep Learning.
Host: Sridhara Dasu
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Faculty Search Committee Meeting
Time: 5:15 pm
Place: 2314 Chamberlin Hall
Speaker: Dasu
Host: Dasu
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Wednesday, February 22nd, 2017

Department Meeting
Department Meeting
Time: 12:15 pm
Place: 5310 Chamberlin hall
Speaker: Albrecht Karle
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Thursday, February 23rd, 2017

R. G. Herb Condensed Matter Seminar
Semi-classical limit for the Schrodinger equation with lattice potential, and band-crossing
Time: 10:00 am
Place: 5310 Chamberlin
Speaker: Qin Li , UW-Madison
Abstract: In this talk we derive and compute the semi-classical limit of the Schrodinger equation with lattice potential. In [Gerard-Markowich-Mauser-Poupaud, Comm. Pure Appl. Math. 1997], the limit is derived under the assumption that energy bands are well-separated, namely, the system is adiabatic. However, in reality, this assumption is generically invalid. We remove the assumption, and obtain a general model by performing multi-scale variable separation with the Bloch decomposition and the Wigner transformation. Asymptotically this new full system recovers the old one in the adiabatic region. In the computation, we decompose the domain into regions depending on the distance to the energy band-crossing points, and apply associated schemes in different regions. A nature extension to the diabatic transition beyond the Born-Oppenheimer approximation will also be given at the end of the talk.
Host: Coppersmith
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Department Meeting
Additional Department Meeting
Time: 12:15 pm
Place: 5310 Chamberlin Hall
Speaker: Albrecht Karle, UW-Madison
Host: Karle
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Friday, February 24th, 2017

No events scheduled
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