Causal Horizons in Physics

11 January 2017, 9.30 AM - 11 January 2017, 4.30 PM

Room G2, Cotham House

The idea of a causal horizon - a boundary for causal influence and processes - plays a fundamental role not only in contemporary spacetime theory, but in recent years has ramified into foundational work in other areas of theoretical physics from solid-state and fluid dynamics to Bose-Einstein condensates and laser optics. In particular, causal horizons ground much contemporary work in the investigation of the relationship between gravity and thermodynamics, and Unruh's analogue models of black holes, including the recent experimental detection of analogue Hawking radiation. This workshop will bring together physicists and philosophers to explore and discuss many of these issues.

Speakers: Eli Cohen (Bristol); Erik Curiel (MCMP); Ralf Schützhold (Duisburg-Essen); Karim Thébault (Bristol); Bill Unruh (UBC); Silke Weinfurtner (Nottingham)

Organisers: Erik Curiel and Karim Thébault

The workshop is jointly organised with the Munich Center for Mathematical Philosophy. We are grateful to the British Society for the Philosophy of Science for additional financial support.


10:00 - 10:30 Coffee

10:30 - 11:30 William Unruh (UBC)
Horizons in dumb holes.

11:30 - 12:30 Erik Curiel (MCMP)
Two Paths to the Einstein Field Equation from Horizon Thermodynamics

12:30 - 14:00 Lunch

14:00 - 15:00 Eli Cohen (Bristol)
On the Final State Conjecture in Black Holes and Several Related Approaches

15:00 - 16:00 Karim Thébault (Bristol)
On the Epistemology of Analogue Experiments

16:00 - 16:30 Coffee

16:30 - 17:30 Ralf Schützhold (Duisburg-Essen)
On the partner "particles" for black-hole evaporation

17:30 - 18:30 Silke Weinfurtner (Nottingham)
Observation of superradiance in a vortex flow

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