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The Information Paradox

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The Information Paradox

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Author : John Thorp
language : en
Publisher: McGraw-Hill Companies
Release Date : 2003

The Information Paradox written by John Thorp and has been published by McGraw-Hill Companies this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Business enterprises categories.

"Considerable change has transpired in the years since the first edition of this book was published, yet the paradox remains - investments in IT-enabled business change are still not being consistently translated into business value. This is the Information Paradox - the conflict between the widely held belief that information, and investment in IT to provide that information, is a "good thing" and the all too frequent reality that we cannot demonstrate a connection between IT investments and business results." "John Thorp and Fujitsu Consulting have continued to work with many clients around the world, implementing the Benefits Realization Approach - a unique, client-tested framework that introduces a benefits-focused mindset. Their experience has led to the understanding that the issues with IT value are merely a symptom of a broader business value problem, and to the development of a new, expanded approach - Enterprise Value Management." "A completely new Afterword outlines this new approach which goes beyond the challenge of IT value to provide a comprehensive value-driven organizational governance process. It builds on the foundation of benefits realization to help organizations manage value in an increasingly uncertain and real-time business environment. It takes readers to a new level of understanding."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved

F X Solution To The Hawking Black Hole Information Paradox Showing 100 Of The Information Is Conserved

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Author : Todd Gooch
language : en
Publisher: Independently Published
Release Date : 2019-03-08

F X Solution To The Hawking Black Hole Information Paradox Showing 100 Of The Information Is Conserved written by Todd Gooch and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-08 with categories.

F(x) solution to the Hawking black hole information paradox showing 100% of the information is conserved by dropping a mole of any substance into a black hole and following it all the way out as it exits as an X-ray beam. Gives X-ray spectrum of the black hole that determines what was engulfed by the black hole and in what order. Predicts black holes with multiple X-ray jets that if ever witnessed will 100% confirm the theory.

Black Holes And The Information Paradox

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Author : Leonard Susskind
language : en
Publisher:
Release Date : 1997

Black Holes And The Information Paradox written by Leonard Susskind and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Black holes (Astronomy) categories.

Singularity Resolution And The Black Hole Information Paradox

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Author : Geoffrey Douglas Potvin
language : en
Publisher:
Release Date : 2006

Singularity Resolution And The Black Hole Information Paradox written by Geoffrey Douglas Potvin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Physics Theses categories.

In the first part of this thesis, a string theory mechanism for the resolution of a class of naked, gravitationally-repulsive singularities is explored, particularly in the region where the system is not supersymmetric. This is the enhancon mechanism, which arises from purely string theoretic quantum corrections to the low-energy gravitational description. It is found that the physics of this system is particularly rich, involving no less than three appropriate phases for various values of the energy. A wide class of enhancon solutions is found and its description in several duality-equivalent frames is considered, settling a number of outstanding questions as to the correct physics, with implications for the dual field theory.Two pervasive problems in the physics of black holes are explored in this thesis. Particularly, the problematic existence of curvature singularities in generic solutions of classical gravity and the black hole information paradox are reviewed. The paradigm of string theory and, especially, its low-energy limit, supergravity, is used throughout as a tool for understanding these problems.Then, progress towards a microscopic understanding of the entropy of black holes is reported. A set of four-charge, four-dimensional geometries that is completely smooth, free of event horizons, has non-zero angular momentum and satisfies a supersymmetric mass-charge relation is found. The properties of this set, nicknamed fuzzballs, are amenable to an interpretation as microstates of an associated black hole, extending recent ideas as to the resolution of the information paradox. If such an interpretation is correct then it implies some unknown properties of the associated dual conformal field theory.

Replica Wormholes Entanglement Wedges And The Black Hole Information Paradox

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Author : Geoffrey Richard Penington
language : en
Publisher:
Release Date : 2020

Replica Wormholes Entanglement Wedges And The Black Hole Information Paradox written by Geoffrey Richard Penington and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.

Hawking famously argued, based on semiclassical calculations, that the radiation from evaporating black holes is always perfectly thermal and contains no information about the matter that fell in. Such a result is inconsistent with the unitarity of quantum mechanics. In this thesis, I argue that a more careful replica trick calculation shows that the gravitational path integral becomes dominated at late times by saddles containing spacetime wormholes. These wormholes cause the entropy to decrease after the Page time, consistent with unitarity, and allow information to escape from the interior of the black hole. In very simple toy models, we can evaluate the path integral exactly, and see the information emerge. In more realistic black holes, the full wormhole solutions cannot be found explicitly. However, their existence, and their most important consequences, can be derived by studying the location and properties of a non-trivial `quantum extremal surface' in the original Hawking solution. We can also see how various paradoxes, including the famous rewall paradox, are avoided. A crucial role is played by the framework of universal subspace quantum error correction. This framework is also fundamental to the theory of quantum teleportation and can be used to decompose the process of sending qubits from Alice to Bob into distinct `entanglement' and `communication' pieces. Finally, we see how the complexity of decoding information from Hawking radiation can be explained by the existence of a bulge or `python's lunch' in the spacetime geometry.

The Information Paradox

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Author : Fujitsu Consulting (Canada) Inc
language : en
Publisher:
Release Date : 2007

The Information Paradox written by Fujitsu Consulting (Canada) Inc and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

Towards A Nonviolent Alternative For The Black Hole Information Paradox

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Author : Yinbo Shi
language : en
Publisher:
Release Date : 2015

Towards A Nonviolent Alternative For The Black Hole Information Paradox written by Yinbo Shi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

In the semiclassical approximation, quantum field theory suggests that black holes eventually evaporate in a manner largely independent of their internal structure. Doing so, however, leads to a violation of unitarity of quantum mechanics, rendering the system inconsistent. One possible resolution is soft violations of locality in the near horizon region. The first consistency check is whether such a proposal can actually get the information out. Using quantum information techniques, a large class of evolutions into paired states is ruled out. More generally, information transfer can be characterized by the mutual information of a specially prepared state. Minimizing this quantity saturates a subadditivity inequality, leading to "subspace transfer"; maximizing it generically leads to an enhanced particle flux. Using the tools of effective field theory, one can then try to model the nonlocality as arising from an effective source localized near the horizon. To get information out at the right rate, this source must have a characteristic size. The horizon is altered, but nonviolent. This model also naturally accommodates black hole mining, avoiding a potential flaw. Having passed important consistency checks, nonviolent nonlocality is a viable solution to the information paradox.