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Eric Linder UC Berkeley/LBNL/KASI
based on Good & Linder 1707.03670
Slicing the Vacuum: New Ideas for the Dynamical
Casimir Effect
YITP-ICG-KASI-NAOC Workshop 7 September 2017
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What is Acceleration?
Einstein’s Equivalence Principle: Acceleration = Gravity
QFT/Hawking/Unruh: Acceleration à Particle Production
Accelerating Mirrors as analogs of black holes. Study horizons, information paradox, firewalls.
– Only 2 finite solutions known (1982, 2013); now 2 new ones (Good & Linder 2017) with analytic Bogolyubov coefficients!
Accelerating Mirrors as analogs of cosmic acceleration?
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Static Casimir Effect
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Dynamical Casimir Effect
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Reflections on Black Mirrors
Hawking, S. W. “Particle Creation by Black Holes”, CMP 1975
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The Model
• Massless Particles • Scalar Field • 1+1 Dimensions • Non-interacting • Minimally Coupled • Klein-Gordon Equation
Davies, P. C. W and S. A. Fulling “Radiation from Moving Mirrors and Black Holes”, PRS 1976
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Boundary Conditions
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Entropy, Energy, and Rapidity
Entropy is additive, just like (Lorentz) rapidity tanh ⌘ = z(t)
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Particles and Spectrum
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Asymptotic Static:
Two New Solutions: 1
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Asymptotic Drift:
Two New Solutions: 2
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Total Energy
Static
Drift
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Total Particles
Static; Infinite (soft) particles for drift case
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Thermal Emission
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Future
Still much to explore:
Particle nature of thermal emission
Black hole evaporation vs black hole remnant
Analog to cosmic acceleration
Laboratory tests –
1. Plasma mirrors (accelerated by lasers) Chen & Mourou, PRL 2017
2. Superconducting resonant circuits Wilson+, Nature 2011