• Astronomy seminar: "Accretion in the Shadow of M87"

    David Rittenhouse Laboratory, A2

    Joey Neilsen (Villanova University)

    With the Event Horizon Telescope’s groundbreaking detection of the shadow of the supermassive black hole in M87, we have entered a new era of black hole astrophysics. After presenting the first results from the EHT, I will give a high-energy astrophysicist’s view of what comes next.

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  • Condensed Matter seminar: "Correlated Light-Matter Interactions and Excited-State Dynamics in Quantum Materials"

    David Rittenhouse Laboratory, A4

    Prineha Narang, Harvard University

    The physics of quantum materials is rich with spectacular excited-state and non-equilibrium effects, but many of these phenomena remain poorly understood and consequently technologically unexplored.

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  • Condensed Matter seminar: "Route to topological quantum effects via atomic-scale defect engineering"

    David Rittenhouse Laboratory, A4

    Seongshik Oh, Rutgers University

    Since the notion of topological insulator (TI) was envisioned about a decade ago, topology has become a new paradigm in condensed matter physics. Realization of topology as a generic property of materials has led to numerous predictions of unprecedented phenomena such as magnetic dipoles, axion electrodynamics, resistance-free conduction etc. However, only a very small subset of these predictions have been materialized in real materials, especially in the quantum regime.

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  • Special seminar on the recent Event Horizon Telescope results: "The Black Hole Shadow in M87"

    David Rittenhouse Laboratory, A6

    Dan Marrone, University of Arizona

    The Event Horizon Telescope (EHT) is an international collaboration to observe black holes at horizon-scale resolution. The EHT uses the technique of very long baseline interferometry (VLBI) and submillimeter telescopes all over the globe to perform VLBI experiments at 1mm wavelength, where we expect to resolve the event horizons of two targets, M87* and SgrA*. In 2017, the EHT performed its first experiment, using eight observatories at six geographic locations.

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  • High Energy Theory seminar

    David Rittenhouse Laboratory, 2N36

    Xingang Chen, Harvard University

  • Astronomy seminar

    David Rittenhouse Laboratory, A2

    Adi Nusser (Technion)