Kavli Affiliate: Dheeraj R. Pasham
| First 5 Authors: Eric Burns, Christopher L. Fryer, Ivan Agullo, Jennifer Andrews, Elias Aydi
| Summary:
Astrophysical observations of the cosmos allow us to probe extreme physics
and answer foundational questions on our universe. Modern astronomy is
increasingly operating under a holistic approach, probing the same question
with multiple diagnostics including how sources vary over time, how they appear
across the electromagnetic spectrum, and through their other signatures,
including gravitational waves, neutrinos, cosmic rays, and dust on Earth.
Astrophysical observations are now reaching the point where approximate physics
models are insufficient. Key sources of interest are explosive transients,
whose understanding requires multidisciplinary studies at the intersection of
astrophysics, gravity, nuclear science, plasma physics, fluid dynamics and
turbulence, computation, particle physics, atomic, molecular, and optical
science, condensed matter and materials science, radiation transport, and high
energy density physics. This white paper provides an overview of the major
scientific advances that lay at the intersection of physics and astronomy and
are best probed through time-domain and multimessenger astrophysics, an
exploration of how multidisciplinary science can be fostered, and introductory
descriptions of the relevant scientific disciplines and key astrophysical
sources of interest.
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