Abstract
The black hole information loss paradox has long been one of the most studied and fascinating aspects of black hole physics. In its latest incarnation, it takes the form of the firewall paradox. In this paper, we first give a conceptually oriented presentation of the paradox, based on the notion of causal structure. We then suggest a possible strategy for its resolutions and see that the core idea behind it is that there are connections that are non- local for semiclassical physics which have nonetheless to be taken into account when studying black holes. We see how to concretely implement this strategy in some physical models connected to the ER=EPR conjecture.
Highlights
Throughout the years, black holes have proven to be one of the primary sources for clues towards a better understanding of the principles underlying a putative theory of Quantum Gravity (QG)
We begin by introducing the notion that we employ throughout this article to analyze the firewall paradox: (CS) Causal Structure: given a theory T, we say that the causal structure according to the theory T is given by a set of spacetime regions/objects and a relation R which determines if two objects/regions of spacetime can or cannot be causally related
To better keep track of the various moving parts of the AMPS argument, and to elucidate its conceptual content, let us recall the definition of causal structure: (CS) Causal Structure: given a theory T, we say that the causal structure according to the theory T is given by a set of spacetime regions/objects and a relation R which determines if two objects/regions of spacetime can or cannot be causally related
Summary
Throughout the years, black holes have proven to be one of the primary sources for clues towards a better understanding of the principles underlying a putative theory of Quantum Gravity (QG). Our goal as philosophers of physics is to study the conceptual foundations of the firewall paradox and to explore how dropping an implicit assumption on the structure of spacetime, what we call spacetime distinctness, resolves it. The conceptual insights provided by our analysis both serve to elucidate the philosophical foundations of the topic and help researchers in this field gain a better appreciation of the tools they are using This way, we bridge the gap between the two communities, furthering the study of black holes as both a technical and conceptual topic.
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