Events on Friday, February 5th, 2021
- Women+ in Plasma Physics (W+iPP)
- Time: 12:00 pm
- Place: Zoom
- Abstract: Women+ in Plasma Physics (W+iPP) will be having our first meeting this Friday, February 5th at 12 PM. If you are interested in learning more about the group, getting involved, or sharing your ideas with us, please join us for the meeting using the Zoom info below! You can also contact Carolyn Schaefer (email: cschaefer6@wisc.edu) with any questions, etc.
W+iPP is a new group here at UW-Madison whose mission is to foster a community that supports and promotes women and gender minorities in plasma physics, both here on campus and in the plasma physics field as a whole. We also aim to share our passion for plasma physics with younger women+ in STEM through educational outreach. Our group is supported by the Engineering Physics department, but we are open to any graduate or undergraduate student, faculty member, postdoctoral researcher, or scientist who identifies as a woman, a gender minority, or an ally of women and gender minorities in plasma physics.
Virtual Meeting Info:
Topic: W+iPP Kickoff Meeting
Time: Feb 5, 2021 12:00 PM Central Time (US and Canada)
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Meeting ID: 846 3669 0367
Passcode: 905342
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Meeting ID: 846 3669 0367
Passcode: 905342
Find your local number: - Host: Stephanie Diem
- Theory Seminar (High Energy/Cosmology)
- Phenomenological and Quantum Gravity constraints from Charged Black Hole Evaporation in de Sitter Space
- Time: 2:00 pm - 3:00 pm
- Place: For zoom link, sign up at:
- Speaker: Gerben Venken, Heidelberg University
- Abstract: In this talk, I will discuss the decay of charged black holes in de Sitter space. We will establish how black hole mass and charge change over time due to both Hawking radiation and Schwinger pair production as a function of the masses and charges of the elementary particles in the theory. By demanding that black holes decay 'sensibly', one can constrain the spectrum of allowed particles in a theory in an interesting way. This fits into the larger picture of the Swampland program of constraining effective field theories by demanding they can be completed into consistent quantum gravity theories. We will find a lower bound on the mass of charged particles by demanding that large charged black holes evaporate back to empty de Sitter space, in accordance with the thermal picture of the de Sitter static patch. This bound is satisfied by the charged spectrum of the Standard Model. This bound has phenomenological implications for the cosmological hierarchy problem and inflation. The bound has a nice interplay with other constraints obtained in the swampland program. The bound can be applied to argue against the consistency of certain de Sitter supergravity models. There has been much discussion about the consistency of de Sitter vacua in string theory and quantum gravity. Interestingly, proposed string theory constructions of de Sitter vacua involving uplifting warped throats such as KKLT and LVS seem at present to satisfy both our bound and the weak gravity conjecture.
- Host: Lars Aalsma
- NPAC (Nuclear/Particle/Astro/Cosmo) Forum
- Long-term TeV spectra of blazars Mrk 421 and Mrk 501
- Time: 2:00 pm - 2:50 pm
- Place: Zoom meeting
- Speaker: Sara Coutino, Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE), Mexico
- Abstract: Join Zoom Meeting:
Meeting ID: 995 3368 9936
Passcode: 249875
Find your local number: - Host: Ke Fang
- Department Coffee Hour
- Department Coffee Hour (Virtual)
- Time: 3:30 pm - 4:30 pm
- Place: Virtual (see abstract for connection info)
- Abstract:
Topic: Department Coffee Hour
Time: Jan 29, 2021 03:30 PM Central Time (US and Canada)
Every week on Fri, until May 14, 2021, 16 occurrence(s)
Jan 29, 2021 03:30 PM
Feb 5, 2021 03:30 PM
Feb 12, 2021 03:30 PM
Feb 19, 2021 03:30 PM
Feb 26, 2021 03:30 PM
Mar 5, 2021 03:30 PM
Mar 12, 2021 03:30 PM
Mar 19, 2021 03:30 PM
Mar 26, 2021 03:30 PM
Apr 2, 2021 03:30 PM
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Apr 23, 2021 03:30 PM
Apr 30, 2021 03:30 PM
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May 14, 2021 03:30 PM
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Meeting ID: 979 8528 1970
Passcode: 309601
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Meeting ID: 979 8528 1970
Passcode: 309601
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Meeting ID: 979 8528 1970
Passcode: 309601
- Host: Climate and Diversity Committee