Events List

DateEvent TypeSpeaker
03/03/2025CCPP Brown BagRoman Scoccimarro [ + ]
03/04/2025Astro SeminarJJ Zanazzi [ + ]
03/05/2025HEP SeminarGiorgio Gratta [ + ]
03/06/2025Astro SeminarJanosz Dewberry [ + ]
03/06/2025Physics Dept ColloquiumGiorgio Gratta [ + ]
03/07/2025Oral DefenseCara Giovanetti [ + ]
03/07/2025Hep-Th Discussion SessionCalkins [ + ]
03/10/2025CCPP Brown BagJesse Liu [ + ]
03/11/2025Astro SeminarRichard Anantua [ + ]
03/11/2025office hoursMathew Calkins [ + ]
03/12/2025HEP Journal Club [ + ]
03/12/2025HEP SeminarJunwu Huang [ + ]
03/12/2025office hoursMathew Calkins [ + ]
03/13/2025Physics Dept ColloquiumJacob Barandes [ + ]
03/14/2025Hep-Th Discussion SessionCalkins [ + ]
03/17/2025CCPP Brown BagAnthony Pullen [ + ]
03/18/2025Informal HEP TalkTony Zhou (host) [ + ]
03/18/2025Astro SeminarCarol Cuesta Lazaro [ + ]
03/19/2025HEP Journal Club [ + ]
03/19/2025HEP SeminarDaniel Harlow [ + ]
03/21/2025Informal HEP TalkTianli Wang [ + ]
03/21/2025Hep-Th Discussion SessionCalkins [ + ]
03/24/2025Holiday [ + ]
03/24/2025OtherRhine Samajdar [ + ]
03/25/2025Holiday [ + ]
03/26/2025Holiday [ + ]
03/27/2025Holiday [ + ]
03/28/2025Holiday [ + ]
03/28/2025Hep-Th Discussion SessionCalkins [ + ]
03/31/2025Informal HEP TalkAurelio Amerio [ + ]
03/31/2025Informal HEP TalkWilliam Pannell [ + ]
04/01/2025Astro SeminarBart Ripperda [ -- ]

Title: Are We There Yet? First-principles Modeling of Multimessenger sSignals in the Plasma Universe
Abstract: Astrophysical black holes are surrounded by accretion disks, jets, and coronae consisting of magnetized relativistic plasma. They produce observable multi wavelength and multi messenger signals from near the event horizon and it is currently unclear how this emission is exactly produced. The electromagnetic radiation typically has a non-thermal component, implying a power-law distribution of emitting relativistic electrons. Magnetic reconnection and plasma turbulence are viable mechanisms to tap the large reservoir of magnetic energy in these systems and accelerate electrons to extreme energies. The accelerated electrons can then emit high-energy photons that themselves may strongly interact with the plasma, rendering a highly nonlinear system. In some cases the electromagnetic emission is accompanied by a multi messenger signal in the form of neutrinos, cosmic rays, or gravitational waves. Modeling the emitting systems necessitates a combination of magnetohydrodynamic models to capture the global dynamics of the formation of dissipation regions, and a kinetic treatment of plasma processes that are responsible for particle acceleration, quantum electrodynamics effects like pair creation and annihilation, and radiation. I will present novel studies of accreting black holes and how they radiate in regions close to black hole event horizon, using both first-principles general relativistic kinetic particle-in-cell simulations and global large-scale three-dimensional magnetohydrodynamics models. With a combination of models, I determine where and how dissipation of magnetic energy occurs, what kind of emission signatures are typically produced, and what they can teach us about the nature of black holes. (11:00 AM - 12:15 PM, 726 Broadway, 940, CCPP Seminar)
04/02/2025HEP Journal Club [ + ]
04/02/2025HEP SeminarCsaba Csaki [ + ]
04/03/2025Physics Dept ColloquiumAlessandra Buonanno [ + ]
04/04/2025Hep-Th Discussion SessionCalkins [ + ]
04/07/2025Special SeminarDalimil Mazac [ + ]
04/09/2025HEP Journal Club [ + ]
04/09/2025HEP SeminarLorenzo Ricci [ + ]
04/09/2025Cosmic Happy HourCammie Norton [ + ]
04/10/2025Physics Dept ColloquiumJesse Thaler [ + ]
04/11/2025Hep-Th Discussion SessionCalkins [ + ]
04/15/2025Astro SeminarJulien Lavalle [ + ]
04/16/2025HEP Journal Club [ + ]
04/16/2025HEP SeminarMichael Baker [ + ]
04/18/2025Hep-Th Discussion SessionCalkins [ + ]
04/21/2025CCPP Brown BagMarius Kongsore [ + ]
04/21/2025Informal HEP TalkNat Levine [ + ]
04/22/2025Astro SeminarGabriela Sato-Polito [ + ]
04/23/2025HEP Journal Club [ + ]
04/23/2025HEP SeminarGiovanni Villadoro [ + ]
04/25/2025Hep-Th Discussion SessionCalkins [ + ]
04/28/2025CCPP Brown BagMarcus DuPont [ + ]
04/29/2025Astro SeminarRisa Wechsler [ + ]
04/30/2025HEP SeminarDan Green [ + ]
04/30/2025HEP Journal Club [ + ]
05/02/2025Hep-Th Discussion SessionCalkins [ + ]
05/06/2025Astro SeminarTetyana Pitik [ + ]
05/07/2025HEP Journal Club [ + ]
05/07/2025HEP SeminarHowie Haber [ + ]
05/07/2025HEP SeminarHowie Haber [ + ]
05/09/2025Hep-Th Discussion SessionCalkins [ + ]
05/14/2025HEP Journal Club [ + ]