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Analogue Gravity

- C. Barceló, S. Liberati, M. Visser
- Medicine
- Living reviews in relativity
- 11 May 2011

Analogue gravity is a research programme which investigates analogues of general relativistic gravitational fields within other physical systems, typically but not exclusively condensed matter… Expand

Analogue Gravity

- C. Barceló, S. Liberati, M. Visser
- Medicine, Physics
- Living reviews in relativity
- 13 May 2005

Analogue models of (and for) gravity have a long and distinguished history dating back to the earliest years of general relativity. In this review article we will discuss the history, aims, results,… Expand

TWILIGHT FOR THE ENERGY CONDITIONS

- C. Barceló, M. Visser
- Physics
- 16 May 2002

The tension, if not outright inconsistency, between quantum physics and general relativity is one of the great problems facing physics at the turn of the millennium. Most often, the problems arising… Expand

TRAVERSABLE WORMHOLES FROM MASSLESS CONFORMALLY COUPLED SCALAR FIELDS

- C. Barceló, M. Visser
- Physics
- 9 August 1999

The massless conformally coupled scalar field is characterized by the so-called “new improved stress-energy tensor”, which is capable of classically violating the null energy condition. When coupled… Expand

Fate of gravitational collapse in semiclassical gravity

- C. Barceló, S. Liberati, S. Sonego, M. Visser
- Physics
- 7 December 2007

While the outcome of gravitational collapse in classical general relativity is unquestionably a black hole, up to now no full and complete semiclassical description of black hole formation has been… Expand

Scalar fields, energy conditions and traversable wormholes

- C. Barceló, M. Visser
- Physics
- 8 March 2000

We describe the different possibilities that a simple and apparently quite harmless classical scalar field theory provides to violate the energy conditions. We demonstrate that a non-minimally… Expand

ANALOGUE MODELS FOR FRW COSMOLOGIES

- C. Barceló, S. Liberati, M. Visser
- Physics
- 16 May 2003

It is by now well known that various condensed matter systems may be used to mimic many of the kinematic aspects of general relativity, and in particular of curved-spacetime quantum field theory. In… Expand

Hawking-like radiation from evolving black holes and compact horizonless objects

- C. Barceló, S. Liberati, S. Sonego, M. Visser
- Physics
- 26 November 2010

Usually, Hawking radiation is derived assuming (i) that a future eternal event horizon forms, and (ii) that the subsequent exterior geometry is static. However, one may be interested in either… Expand

Minimal conditions for the existence of a Hawking-like flux

- C. Barceló, S. Liberati, S. Sonego, M. Visser
- Physics
- 25 November 2010

We investigate the minimal conditions that an asymptotically flat general relativistic spacetime must satisfy in order for a Hawking-like Planckian flux of particles to arrive at future null… Expand

Brane surgery: Energy conditions, traversable wormholes, and voids

- C. Barceló, M. Visser
- Physics
- 4 April 2000

Abstract Branes are ubiquitous elements of any low-energy limit of string theory. We point out that negative tension branes violate all the standard energy conditions of the higher-dimensional… Expand

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