3 papers
quant-ph2026
Fundamental Physics, Existential Risks and Human Futures
Adrian Kent
Over the past 25 years, I have been involved in some intriguing developments in the foundations of physics, exploring the quantum reality problem, the relationship between quantum…
gr-qc2025
The thermodynamics of readout devices and semiclassical gravity
Samuel Fedida, Adrian Kent
We analyse the common claim that nonlinear modifications of quantum theory necessarily violate the second law of thermodynamics. We focus on hypothetical extensions of quantum theo…
gr-qc2025
Mixture equivalence principles and post-quantum theories of gravity
Samuel Fedida, Adrian Kent
We examine the mixture equivalence principle (MEP), which states that proper and improper mixed states with the same density matrix are always experimentally indistinguishable, and…