KICP Seminars & Colloquia, Current and Future
Upcoming Seminars

Seminar schedule for Current (Fall 2018) & Future Quarters
October 3, 2018
Wednesday colloquium
Silvia Galli
IAP
Cosmological results from the final data release of the Planck satellite   [Abstract | Video]
October 5, 2018
Friday noon seminar
Christiane Stefanie Lorenz
University of Oxford
Neutrino cosmology and large scale structure   [Abstract]
October 10, 2018
Wednesday colloquium
Brian Keating
UC San Diego
Fundamental Physics with the Simons Observatory   [Abstract | Video]
October 12, 2018
Friday noon seminar
Simeon Bird
UC Riverside
Massive Neutrinos, Galaxy Clusters and the Lyman-alpha Forest   [Abstract]
October 17, 2018
Astronomy Colloquium
Jay Strader
Michigan State University
Compact Binaries and the Origin of Millisecond Pulsars   [Abstract]
October 19, 2018
Friday noon seminar
Sara M. Simon
University of Michigan
Precision Cosmology with the Cosmic Microwave Background from Chile   [Abstract]
October 24, 2018
Astronomy Colloquium
Keith Hawkins
University of Texas at Austin
Galactic Archaeology in the Gaia Era   [Abstract]
October 31, 2018
Astronomy Colloquium
Jonathan Lunine
Cornell University
Juno's Hunt for Jovian Deep Oxygen, and the Implications for Giant Planet Formation   [Abstract]
November 2, 2018
Friday noon seminar
Louis Strigari
Texas A&M University
New physics with coherence neutrino-nucleus scattering
November 7, 2018
Wednesday colloquium
Stephon S Alexander
Brown University
TBA
November 9, 2018
Friday noon seminar
Jeremy A Sakstein
Uinversity of Pennsylvania
Superfluids and the Cosmological Constant Problem   [Abstract]
November 14, 2018
Astronomy Colloquium
Jennifer Yee
Harvard University
TBA
November 16, 2018
Friday noon seminar
Lina Necib
Caltech
Empirical Determination of the Local Velocity Distribution of Dark Matter
November 28, 2018
Astronomy Colloquium
Joe Hennawi
University of California - Santa Barbara
TBA
November 30, 2018
Friday noon seminar
Surjeet Rajendran
UC Berkeley
Low Energy Probes of Particle Physics
December 7, 2018
Friday noon seminar
Kimberly Boddy
Johns Hopkins University
Searching for Dark Matter Interactions in Cosmology
December 12, 2018
Wednesday colloquium
Matias Zaldarriaga
Institute for Advanced Study
TBA
January 16, 2019
Astronomy Colloquium

TBA
January 25, 2019
Friday noon seminar
Noah Kurinsky
Fermi National Accelerator Laboratory
New Directions for Direct Detection of MeV-Scale Dark Matter
January 30, 2019
Astronomy Colloquium
Ian Crossfield
MIT
TBA
February 13, 2019
Astronomy Colloquium
Roger Blandford
Stanford University
TBA
February 27, 2019
Astronomy Colloquium
Mansi Kasliwal
Caltech
TBA
March 13, 2019
Astronomy Colloquium
Mark Vogelsberger
MIT
TBA
 
COLLOQUIA
KICP Colloquia and Astronomy & Astrophysics Colloquia: Unless otherwise noted, all talks are held in ERC 161 at 3:30 PM on Wednesdays. A reception will be held following the talk in the ERC 401 (KICP Colloquia) and in Hubble Lounge (ERC 501) (Astronomy & Astrophysics Colloquia).

  • October 3, 2018 | 3:30 PM | ERC 161 | Wednesday colloquium
    Cosmological results from the final data release of the Planck satellite
    Silvia Galli, IAP

    Video
    Planck is an ESA satellite aimed at the observation of the Cosmic Microwave Background. This year, the Planck collaboration has released its final data and results. In this talk, I will describe the main results on cosmology from the mission, highlighting the changes with respect to previous releases, the agreement with other cosmological probes and the unsolved questions opened for the future.
  • October 10, 2018 | 3:30 PM | ERC 161 | Wednesday colloquium
    Fundamental Physics with the Simons Observatory
    Brian Keating, UC San Diego

    Video
    Brian Keating
    The Simons Observatory is a new cosmic microwave background experiment being built on Cerro Toco in Chile, due to begin observations in the early 2020s. I will describe the scientific goals of the experiment, motivate its design, and forecast its performance. The Simons Observatory will measure the temperature and polarization anisotropy of the cosmic microwave background with arcminute resolution over approximately 40% of the sky in six frequency bands: 27, 39, 93, 145, 225 and 280 GHz. In its initial phase, three small-aperture (0.5-meter diameter) telescopes and one large-aperture (6-meter diameter) telescope will be fielded. These instruments will host a total of 60,000 cryogenic bolometer detectors. I will discuss some of the key science goals of the Simons Observatory, including the characterization of primordial fluctuations, determination of the number of relativistic species, and measuring the mass of neutrinos. I will also discuss other tests of fundamental physics -- some of which may be best measured using Cosmic Microwave Background observations such as the ones we are embarking upon.
  • October 17, 2018 | 3:30 PM | ERC 161 | Astronomy Colloquium
    Compact Binaries and the Origin of Millisecond Pulsars
    Jay Strader, Michigan State University

    It is well-established that fast-spinning millisecond pulsars are neutron stars recycled through accretion from binary companions. For most millisecond pulsars the accretion process has permanently ceased, and they are in binary systems with low-mass white dwarf companions. Follow-up observations of newly discovered gamma-ray sources from the Fermi Gamma-Ray Space Telescope have revealed a substantial population of "spider" millisecond pulsars with hydrogen-rich companions; these systems had mostly been missed in radio pulsar surveys. I will discuss the properties of neutron stars in these binaries and and the implications for the formation and evolution of millisecond pulsars.
  • October 24, 2018 | 3:30 PM | ERC 161 | Astronomy Colloquium
    Galactic Archaeology in the Gaia Era
    Keith Hawkins, University of Texas at Austin

    Note: Refreshments served at 4:45 PM, Hubble Lounge

    One of the key objectives of modern astrophysics is to understand the formation and evolution galaxies. In this regard, the Milky Way is a fantastic testing ground for our theories of galaxy formation. However, dissecting the assembly history of the Galaxy, requires a detailed mapping of the structural, dynamical chemical, and age distributions of its stellar populations. Recently, we have entered an era of large spectroscopic and astrometric surveys, which has begun to pave the way for the exciting advancements in this field. Combining data from the many multi-object spectroscopic surveys, which are already underway, and the rich dataset from Gaia will undoubtedly be the way forward in order to disentangle the full chemo-dynamical history of our Galaxy. In this talk, I will discuss my current work in Galactic archaeology and how large spectroscopic surveys have been used to dissect the structure of our Galaxy. I will also explore the future of Galactic archaeology through chemical cartography.
  • October 31, 2018 | 3:30 PM | ERC 161 | Astronomy Colloquium
    Juno's Hunt for Jovian Deep Oxygen, and the Implications for Giant Planet Formation
    Jonathan Lunine, Cornell University

    Note: Refreshments served at 4:45 PM, Hubble Lounge

    The carbon-to-oxygen ratio (C/O) in giant planets is an important indicator of processes in disks that lead to planet formation. However, obtaining this ratio in Jupiter and Saturn is far more difficult than in hot exo-Jupiters, because water condenses out of the visible atmospheres of the solar systemís two giants. For Jupiter, the Galileo Probe almost got us there, but Juno data are required to close in on the deep oxygen abundance. For other planetary systems, JWST will provide very high quality transit spectra that will allow us to see the carbon- and oxygen-bearing species in many giant planets around other stars.
  • November 7, 2018 | 3:30 PM | ERC 161 | Wednesday colloquium
    TBA
    Stephon S Alexander, Brown University
  • November 14, 2018 | 3:30 PM | ERC 161 | Astronomy Colloquium
    TBA
    Jennifer Yee, Harvard University

    Note: Refreshments served at 4:30 PM, Hubble Lounge
  • November 28, 2018 | 3:30 PM | ERC 161 | Astronomy Colloquium
    TBA
    Joe Hennawi, University of California - Santa Barbara

    Note: Refreshments served at 4:30 PM, Hubble Lounge
  • December 12, 2018 | 3:30 PM | ERC 161 | Wednesday colloquium
    TBA
    Matias Zaldarriaga, Institute for Advanced Study
  • January 16, 2019 | 3:30 PM | ERC 161 | Astronomy Colloquium
    TBA
    ,

    Note: Refreshments served at 4:45 PM, Hubble Lounge
  • January 30, 2019 | 3:30 PM | ERC 161 | Astronomy Colloquium
    TBA
    Ian Crossfield, MIT

    Note: Refreshments served at 4:45 PM, Hubble Lounge
  • February 13, 2019 | 3:30 PM | ERC 161 | Astronomy Colloquium
    TBA
    Roger Blandford, Stanford University

    Note: Refreshments served at 4:45 PM, Hubble Lounge
  • February 27, 2019 | 3:30 PM | ERC 161 | Astronomy Colloquium
    TBA
    Mansi Kasliwal, Caltech

    Note: Refreshments served at 4:45 PM, Hubble Lounge
  • March 13, 2019 | 3:30 PM | ERC 161 | Astronomy Colloquium
    TBA
    Mark Vogelsberger, MIT

    Note: Refreshments served at 4:45 PM, Hubble Lounge

 
FRIDAY NOON SEMINARS
KICP Friday noon seminar: Unless otherwise noted, all talks are held in ERC 401 at Noon on Fridays.

  • October 5, 2018 | 3:00 PM | ERC 576 | Friday noon seminar
    Neutrino cosmology and large scale structure
    Christiane Stefanie Lorenz, University of Oxford

    In this talk, I will present studies of the model-dependence of cosmological neutrino mass constraints. In particular, I will focus on two phenomenological parameterizations of time-varying dark energy (early dark energy and barotropic dark energy) that can exhibit degeneracies with the cosmic neutrino background over extended periods of cosmic time. Moreover, I will show how the combination of multiple probes across cosmic time can help to distinguish between the two components. In addition, I will discuss how neutrino mass constraints can change in extended neutrino mass models, and how current tensions between low- and high-redshift cosmological data might be affected in these models. Finally, I will discuss whether lensing magnification and other relativistic effects that affect the galaxy distribution contain additional information about dark energy and neutrino parameters, and how much parameter constraints can be biased when these effects are neglected.
  • October 12, 2018 | 12:00 PM | ERC 401 | Friday noon seminar
    Massive Neutrinos, Galaxy Clusters and the Lyman-alpha Forest
    Simeon Bird, UC Riverside

    I'll present new efficient and accurate techniques for including massive neutrinos in N-body simulations, using a linear response (to the cold dark matter) approximation for the neutrinos. Then I'll talk about the potential for massive neutrinos to resolve some cosmological tensions within CMB observations galaxy clusters. Finally, I'll discuss how to detect features in quasar spectra using machine learning.
  • October 19, 2018 | 12:00 PM | ERC 576 | Friday noon seminar
    Precision Cosmology with the Cosmic Microwave Background from Chile
    Sara M. Simon, University of Michigan

    Image credit: Jon Ward
    The cosmic microwave background (CMB) provides unparalleled views into the early universe and its later evolution. Recent and ongoing experiments have contributed to our understanding of neutrinos, dark energy, and dark matter through measurements of large scale structure imprinted on the CMB and constrained the conditions in the early universe, tightly restricting inflationary and other cosmological models through measurements of CMB polarization. Next-generation CMB experiments like Simons Observatory will further constrain the sum of the neutrino masses and number of relativistic species, expand our understanding of dark energy and dark matter, and set new constraints on cosmological models describing the first moments of the universe. The polarization in the CMB is faint, so future experiments must be orders of magnitude more sensitive. Additionally, both polarized foregrounds from synchrotron and dust emission and systematic effects from the instruments can create spurious polarization signals. Characterizing and removing foregrounds requires wide frequency coverage, while systematic effects must be modeled, mitigated and calibrated at unprecedented levels. I will discuss several advances in instrumentation and analysis that will be critical for this leap in performance.
  • November 2, 2018 | 12:00 PM | ERC 401 | Friday noon seminar
    New physics with coherence neutrino-nucleus scattering
    Louis Strigari, Texas A&M University
  • November 9, 2018 | 12:00 PM | ERC 401 | Friday noon seminar
    Superfluids and the Cosmological Constant Problem
    Jeremy A Sakstein, Uinversity of Pennsylvania

    The Lambda-CDM cosmological model is still the best-fit to current data, and numerous alternatives have recently been ruled out by the observation of gravitational waves and other small-scale probes. Theoretically, the cosmological constant (Lambda) suffers from a severe fine-tuning that needs to be understood in order for Lambda-CDM to be a satisfactory model. In this talk I will discuss a recent proposal for a model that may ameliorate the cosmological constant problem. In this model, a superfluid pervading the universe could counteract the large (unobserved) cosmological constant predicted by quantum mechanics. I will discuss the novel phenomenology predicted by the superfluid as well as future directions for testing this model.
  • November 16, 2018 | 12:00 PM | ERC 401 | Friday noon seminar
    Empirical Determination of the Local Velocity Distribution of Dark Matter
    Lina Necib, Caltech
  • November 30, 2018 | 12:00 PM | ERC 401 | Friday noon seminar
    Low Energy Probes of Particle Physics
    Surjeet Rajendran, UC Berkeley
  • December 7, 2018 | 12:00 PM | ERC 401 | Friday noon seminar
    Searching for Dark Matter Interactions in Cosmology
    Kimberly Boddy, Johns Hopkins University
  • January 25, 2019 | 12:00 PM | ERC 401 | Friday noon seminar
    New Directions for Direct Detection of MeV-Scale Dark Matter
    Noah Kurinsky, Fermi National Accelerator Laboratory

 
SPECIAL SEMINARS


 
OPEN GROUP SEMINARS


 
THURSDAY LUNCH DISCUSSIONS
KICP's Thunch: KICP Cosmology Lunch (Thunch) Weekly on Thursdays, Noon, ERC 401A.

Please join us for an informal lunch discussion, led by KICP fellows, of recent news and papers in cosmology. Topics range from experiment and observations to theory in all areas of KICP science. To submit or view papers for this week's Thunch please visit the Thunch website.


 
ASTRONOMY TUESDAY SEMINARS


 
ASTRONOMY SPECIAL SEMINARS