"Particle Physics & Astrophysics with Wide Field mm-Wave Surveys"
Abstract: There have now been several generations of wide-field mm-wave surveys, with several ongoing and upcoming very ambitious projects. We have already learned a great deal about the early universe and put strong constraints on particle physics extensions to the standard model, also collecting large catalogs of strong gravitational lens systems and massive clusters of galaxies, and learning a great deal about the growth of large scale structure in the universe. Ongoing and future experiments will...
Challenges in Characterizing Extra Solar Atmospheres at High-Resolution
The field of exoplanet characterization has matured to the point where we can begin to answer fundamental questions regarding planetary climate, composition, and formation, and also provide context for understanding our own solar system planets. The community has leveraged the power of numerous ground-and space-based observatories to find and characterize a diverse range of planets ranging from hot Jupiter’s to terrestrial-sized, potentially habitable worlds. Much of the successful... Read more about ITC Colloquium - Mike Line (ASU)
Galaxy formation simulations: "sub-grid" vs. physics
Cosmological simulations of structure formation have undergone rapid development over the last decade and evolved from purely gravitational computations of large scale structure to full hydrodynamical simulations which include a plethora of complex baryonic physics. Recent successes of these simulations have been impressive, with several independent groups obtaining models of present day galaxies with a morphological mix in broad accord with observation, which has been a long standing goal for more...
Recent progress in observational cosmology and the establishment of ΛCDM have relied on the combination of different cosmological probes. These probes are not independent, since they all measure the same physical fields. The resulting cross-correlations allow for a robust test of the cosmological model through the consistency of different physical tracers and for the identification of systematics. Integrated analyses taking into account both the auto- as well as the cross-correlations between cosmological probes therefore present a...
Title: Mars as a Nearby Exoplanetary Laboratory: Solar Wind Interaction, Atmospheric Loss, and Prebiotic Chemistry
Abstract: Mars has always represented a vital target from the standpoint of planetary science, especially on account of its past, and perhaps even its current, biological potential. In particular, ancient Mars (∼ 4 Ga) has attracted a great deal of attention because it may have possessed aqueous environments with water-rock interactions, minerals, biogenic elements, suitable energy sources for prebiotic chemistry, and possibly oceans; all of these factors could have... Read more about ITC Seminar - Chuanfei Dong (Princeton)
High-eccentricity migration is an important channel for the formation of hot Jupiters (HJs). In particular, Lidov–Kozai (LK) oscillations of orbital eccentricity/inclination induced by a distant planetary or stellar companion, combined with tidal friction, have been shown to produce HJs on Gyr time-scales. We re-examine this scenario with the inclusion of chaotic dynamical tides. When the planet’s orbit is in a high-eccentricity phase, the tidal force from the star excites oscillatory f-modes and i-modes in the planet. For sufficiently... Read more about ITC Seminar - Michelle Vick (Cornell)