## 5 Citations

Flat-space quantum gravity in the AdS /CFT correspondence

- Physics
- 2016

© 2016 American Physical Society. Motivated by the task of understanding microscopic dynamics of an evolving black hole, we present a scheme describing gauge-fixed continuous time evolution of…

Classical spacetimes as amplified information in holographic quantum theories

- PhysicsPhysical Review D
- 2018

Author(s): Nomura, Y; Rath, P; Salzetta, N | Abstract: © 2018 authors. Published by the American Physical Society. We argue that classical spacetimes represent amplified information in the…

Toward a Holographic Theory for General Spacetimes

- Physics
- 2017

Author(s): Nomura, Y; Salzetta, N; Sanches, F; Weinberg, SJ | Abstract: © 2017 American Physical Society. We study a holographic theory of general spacetimes that does not rely on the existence of…

A-symmetric confirmation and anthropic skepticism

- PhilosophySynthese
- 2017

In recent years, anthropic reasoning has been used to justify a number of controversial skeptical hypotheses (both scientific and philosophical). In this paper, we consider two prominent examples,…

## References

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Are there Boltzmann brains in the vacuum

- Physics
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"Boltzmann brains" are human brains that arise as thermal or quantum fluctuations and last at least long enough to think a few thoughts. In many scenarios involving universes of infinite size or…

Boltzmann brains and the scale-factor cutoff measure of the multiverse

- Physics
- 2010

To make predictions for an eternally inflating 'multiverse', one must adopt a procedure for regulating its divergent spacetime volume. Recently, a new test of such spacetime measures has emerged:…

De Sitter Space Without Dynamical Quantum Fluctuations

- Physics
- 2014

We argue that, under certain plausible assumptions, de Sitter space settles into a quiescent vacuum in which there are no dynamical quantum fluctuations. Such fluctuations require either an evolving…

Quantum Mechanics, Spacetime Locality, and Gravity

- Physics
- 2011

Quantum mechanics introduces the concept of probability at the fundamental level, yielding the measurement problem. On the other hand, recent progress in cosmology has led to the “multiverse”…

Physical theories, eternal inflation, and the quantum universe

- Physics
- 2011

A bstractInfinities in eternal inflation have long been plaguing cosmology, making any predictions highly sensitive to how they are regulated. The problem exists already at the level of…

The stretched horizon and black hole complementarity.

- PhysicsPhysical review. D, Particles and fields
- 1993

Three postulates asserting the validity of conventional quantum theory, semiclassical general relativity, and the statistical basis for thermodynamics are introduced as a foundation for the study of…

Relativeness in quantum gravity: limitations and frame dependence of semiclassical descriptions

- Physics
- 2014

A bstractConsistency between quantum mechanical and general relativistic views of the world is a longstanding problem, which becomes particularly prominent in black hole physics. We develop a…

Out of equilibrium: understanding cosmological evolution to lower-entropy states

- Physics
- 2012

Despite the importance of the Second Law of Thermodynamics, it is not absolute. Statistical mechanics implies that, given sufficient time, systems near equilibrium will spontaneously fluctuate into…

Breakdown of Predictability in Gravitational Collapse

- Physics
- 1976

The principle of equivalence, which says that gravity couples to the energy-momentum tensor of matter, and the quantum-mechanical requirement that energy should be positive imply that gravity is…

Properties of the scale factor measure

- Physics
- 2009

We show that in expanding regions, the scale factor measure can be reformulated as a local measure: Observations are weighted by integrating their physical density along a geodesic that starts in the…