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CRC Press eBooks

Quantum Reality

Jonathan Allday

Published Mar 3, 2009• 10 citations
Publisher

Abstract

Probably the most successful scientific theory ever created, quantum theory has profoundly changed our view of the world and extended the limits of our knowledge, impacting both the theoretical interpretation of a tremendous range of phenomena and the practical development of a host of technological breakthroughs. Yet for all its success, quantum t

DOI
10.1201/9781584887041

Related papers

Quantum Reality

Jonathan Allday

As probably the most successful scientific theory ever created, quantum theory has profoundly changed our view of the world and extended the limits of our knowledge, impacting both the theoretical interpretation of a tremendous range of phenomena and the practical development of a host of technological breakthroughs. Yet for all its success, quantum theory remains utterly baffling. Quantum Reality: Theory and Philosophy, Second Edition cuts through much of the confusion to provide readers with an exploration of quantum theory that is as authoritatively comprehensive as it is intriguingly comprehensible. The book has been fully updated throughout to include the latest results in quantum entanglement, the theory and practical applications of quantum computing, quantum cosmology and quantum gravity. Needing little more than a school level physics and mathematics background, this volume requires only an interest in understanding how quantum theory came to be and the myriad ways it both explains how our universe functions and extends the reach of human knowledge. Written by well-known physics author and teacher Dr. Jonathan Allday, this highly engaging work: • Presents a thorough grounding in the theoretical machinery of quantum physics • Offers a whistle-stop tour through the early part of the 20th century when the founding fathers of quantum theory forever altered the frontiers of human thought • Provides an example-filled interpretation of the theory, its applications, and its pinnacle in quantum field theory (QFT), so crucial in shaping ideas about the nature of reality • Separates fact from speculation regarding quantum physics’ ability to provide a starting point for philosophical queries into ultimate understanding and the limits of science The world beneath the one that we experience with our senses is profoundly mysterious, and while we may never completely unravel that mystery, quantum theory allows us to come closer than ever to understanding where the science leaves off and the mystery begins. Quantum Reality: Theory and Philosophy, Second Edition makes that understanding accessible to anyone possessing a quest for knowledge and a sense of awe.

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Despite the tremendous empirical success of quantum theory there is still widespread disagreement about what it can tell us about the nature of the world. A central question is whether the theory is about our knowledge of reality, or a direct statement about reality itself. Current interpretations of quantum theory, regardless of their stance on this question, regard the Born rule as fundamental and add an independent state update (or 'collapse') rule to describe how quantum states change upon measurement. In this paper we present an alternative perspective and derive a unified probability rule that subsumes both the Born rule and the collapse rule. We show that this more fundamental probability rule can provide a rigorous foundation for informational, or 'knowledge-based', interpretations of quantum theory. Our result requires an assumption of instrument non-contextuality, a key notion that generalises previous approaches to non-contextuality. Therefore, the framework also permits one to consider non-contextuality in scenarios with arbitrary causal structure.

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On the Concept of Spacetime & Consciousness: Some Western and Indic Thoughts

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What is 'the nature of reality’? This thought has occupied the minds of scientists and philosophers since time immemorial. This issue is examined scientifically, that, how the views of scientists and western philosophers have undergone a dramatic change over a period of time. This may then answer whether spacetime is a reality of nature or if it is just a figment of our imagination in which to view this cosmos! The article begins with the thoughts of Democritus, and the other Greek philosophers, continuing with the ideas of Copernicus, Galileo and Kepler. With the thoughts of Bacon, Descartes and Isaac Newton, the rise of the ‘mechanical world view’ later the decline of this view is discussed when the phenomenon in optics, electricity and magnetism could not be explained. Then the concept of ‘field’ was evolved, culminating in ‘Maxwell’s equations of electromagnetic fields’.The beginning of twentieth century saw the evolution of the concepts of ‘relativity’, by Einstein, and the birth of ‘quantum theory’, starting with the idea of ‘quanta’, originated by Planck in 1900. The first three decades of the 20th century saw great breakthroughs in the world of theoretical physics - totally new ideas on ‘the nature of reality’ were being conceived. Large numbers of fundamental particles were discovered in the ensuing years. However, not much progress indeed was made in answering some of the most fundamental questions about the existence of human life and the nature of reality. Some interesting ideas on ‘biocentrism’ have now evolved. Biocentrism, along with the ideas of quantum theory and the concept of consciousness, may answer some of the intricate questions about the nature of reality; these will be discussed at length. These concepts will then be viewed from the perspective of Indic thoughts. The ‘Vedic’ and ‘Upanishadic’ knowledge from Indian scriptures may probably answer even more clearly some of the most intriguing questions about the existence of life and the ‘nature of reality’ itself.Beginning of twentieth century saw the evolution of the concepts of ‘Relativity’, by Einstein, and the birth of ‘Quantum Theory’, starting with the idea of ‘Quanta’, originated by Planck in 1900. The first three decades of 20th century saw the great breakthroughs in the world of theoretical physics. Absolutely new ideas on ‘The Nature of Reality’ were being conceived. Large number of fundamental particles was discovered in the ensuing years. But not much progress indeed took place in answering some of the most fundamental questions on existence of human life and the nature of reality. Some interesting ideas on ‘Biocentrism’ have now evolved. Biocentrism along with the ideas of Quantum Theory and the concept of Consciousness may answer some of the intricate questions on nature of reality; these will be discussed at length. These concepts will then be viewed from perspective of Indic thoughts. The ‘Vedic’ and ‘Upanishadic’ knowledge from Indian scriptures may probably answer even more clearly some of the most intriguing questions on the existence of life and the ‘Nature of Reality’ itself.

Journal of consciousness exploration & research•Apr 22, 2018•2 citations

Quantum Theory: A Pointer to an Independent Reality

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Springer eBooks•Jan 1, 1997•1 citation
Probably the most successful scientific theory ever created, quantum theory has profoundly changed our view of the world and extended the limits of our knowledge, impacting both the theoretical interpretation of a tremendous range of phenomena and the practical development of a host of technological breakthroughs. Yet for all its success, quantum t
As probably the most successful scientific theory ever created, quantum theory has profoundly changed our view of the world and extended the limits of our knowledge, impacting both the theoretical interpretation of a tremendous range of phenomena and the practical development of a host of technological breakthroughs. Yet for all its success, quantum theory remains utterly baffling. Quantum Reality: Theory and Philosophy, Second Edition cuts through much of the confusion to provide readers with an exploration of quantum theory that is as authoritatively comprehensive as it is intriguingly comprehensible. The book has been fully updated throughout to include the latest results in quantum entanglement, the theory and practical applications of quantum computing, quantum cosmology and quantum gravity. Needing little more than a school level physics and mathematics background, this volume requires only an interest in understanding how quantum theory came to be and the myriad ways it both explains how our universe functions and extends the reach of human knowledge. Written by well-known physics author and teacher Dr. Jonathan Allday, this highly engaging work: • Presents a thorough grounding in the theoretical machinery of quantum physics • Offers a whistle-stop tour through the early part of the 20th century when the founding fathers of quantum theory forever altered the frontiers of human thought • Provides an example-filled interpretation of the theory, its applications, and its pinnacle in quantum field theory (QFT), so crucial in shaping ideas about the nature of reality • Separates fact from speculation regarding quantum physics’ ability to provide a starting point for philosophical queries into ultimate understanding and the limits of science The world beneath the one that we experience with our senses is profoundly mysterious, and while we may never completely unravel that mystery, quantum theory allows us to come closer than ever to understanding where the science leaves off and the mystery begins. Quantum Reality: Theory and Philosophy, Second Edition makes that understanding accessible to anyone possessing a quest for knowledge and a sense of awe.
Despite the tremendous empirical success of quantum theory there is still widespread disagreement about what it can tell us about the nature of the world. A central question is whether the theory is about our knowledge of reality, or a direct statement about reality itself. Current interpretations of quantum theory, regardless of their stance on this question, regard the Born rule as fundamental and add an independent state update (or 'collapse') rule to describe how quantum states change upon measurement. In this paper we present an alternative perspective and derive a unified probability rule that subsumes both the Born rule and the collapse rule. We show that this more fundamental probability rule can provide a rigorous foundation for informational, or 'knowledge-based', interpretations of quantum theory. Our result requires an assumption of instrument non-contextuality, a key notion that generalises previous approaches to non-contextuality. Therefore, the framework also permits one to consider non-contextuality in scenarios with arbitrary causal structure.
What is 'the nature of reality’? This thought has occupied the minds of scientists and philosophers since time immemorial. This issue is examined scientifically, that, how the views of scientists and western philosophers have undergone a dramatic change over a period of time. This may then answer whether spacetime is a reality of nature or if it is just a figment of our imagination in which to view this cosmos! The article begins with the thoughts of Democritus, and the other Greek philosophers, continuing with the ideas of Copernicus, Galileo and Kepler. With the thoughts of Bacon, Descartes and Isaac Newton, the rise of the ‘mechanical world view’ later the decline of this view is discussed when the phenomenon in optics, electricity and magnetism could not be explained. Then the concept of ‘field’ was evolved, culminating in ‘Maxwell’s equations of electromagnetic fields’.The beginning of twentieth century saw the evolution of the concepts of ‘relativity’, by Einstein, and the birth of ‘quantum theory’, starting with the idea of ‘quanta’, originated by Planck in 1900. The first three decades of the 20th century saw great breakthroughs in the world of theoretical physics - totally new ideas on ‘the nature of reality’ were being conceived. Large numbers of fundamental particles were discovered in the ensuing years. However, not much progress indeed was made in answering some of the most fundamental questions about the existence of human life and the nature of reality. Some interesting ideas on ‘biocentrism’ have now evolved. Biocentrism, along with the ideas of quantum theory and the concept of consciousness, may answer some of the intricate questions about the nature of reality; these will be discussed at length. These concepts will then be viewed from the perspective of Indic thoughts. The ‘Vedic’ and ‘Upanishadic’ knowledge from Indian scriptures may probably answer even more clearly some of the most intriguing questions about the existence of life and the ‘nature of reality’ itself.Beginning of twentieth century saw the evolution of the concepts of ‘Relativity’, by Einstein, and the birth of ‘Quantum Theory’, starting with the idea of ‘Quanta’, originated by Planck in 1900. The first three decades of 20th century saw the great breakthroughs in the world of theoretical physics. Absolutely new ideas on ‘The Nature of Reality’ were being conceived. Large number of fundamental particles was discovered in the ensuing years. But not much progress indeed took place in answering some of the most fundamental questions on existence of human life and the nature of reality. Some interesting ideas on ‘Biocentrism’ have now evolved. Biocentrism along with the ideas of Quantum Theory and the concept of Consciousness may answer some of the intricate questions on nature of reality; these will be discussed at length. These concepts will then be viewed from perspective of Indic thoughts. The ‘Vedic’ and ‘Upanishadic’ knowledge from Indian scriptures may probably answer even more clearly some of the most intriguing questions on the existence of life and the ‘Nature of Reality’ itself.