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Quantum theory --- Heisenberg uncertainty principle --- Heisenberg uncertainty principle. --- #WSCH:AAS2 --- 530.145 --- Indeterminancy principle --- Uncertainty principle --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- 530.145 Quantum theory --- Quantum theory. --- Théorie quantique --- Théorie quantique

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Meeting the Universe Halfway is an ambitious book with far-reaching implications for numerous fields in the natural sciences, social sciences, and humanities. In this volume, Karen Barad, theoretical physicist and feminist theorist, elaborates her theory of agential realism. Offering an account of the world as a whole rather than as composed of separate natural and social realms, agential realism is at once a new epistemology, ontology, and ethics. The starting point for Barad’s analysis is the philosophical framework of quantum physicist Niels Bohr. Barad extends and partially revises Bohr’s philosophical views in light of current scholarship in physics, science studies, and the philosophy of science as well as feminist, poststructuralist, and other critical social theories. In the process, she significantly reworks understandings of space, time, matter, causality, agency, subjectivity, and objectivity.
In an agential realist account, the world is made of entanglements of “social” and “natural” agencies, where the distinction between the two emerges out of specific intra-actions. Intra-activity is an inexhaustible dynamism that configures and reconfigures relations of space-time-matter. In explaining intra-activity, Barad reveals questions about how nature and culture interact and change over time to be fundamentally misguided. And she reframes understanding of the nature of scientific and political practices and their “interrelationship.” Thus she pays particular attention to the responsible practice of science, and she emphasizes changes in the understanding of political practices, critically reworking Judith Butler’s influential theory of performativity. Finally, Barad uses agential realism to produce a new interpretation of quantum physics, demonstrating that agential realism is more than a means of reflecting on science; it can be used to actually do science.

kwantumleer --- Quantum mechanics. Quantumfield theory --- Philosophy of science --- Science --- #SBIB:316.23H2 --- #SBIB:316.23H3 --- #SBIB:1H40 --- Sociologie van de wetenschappen --- Wijsgerige grondslagen en discussie in de sociologie --- Epistemologie, methoden in de filosofie --- Physics --- Quantum theory --- Heisenberg uncertainty principle --- Realism --- Relativity (Physics) --- Matter --- Philosophy. --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time --- Empiricism --- Philosophy --- Universals (Philosophy) --- Conceptualism --- Dualism --- Idealism --- Materialism --- Nominalism --- Positivism --- Rationalism --- Indeterminancy principle --- Uncertainty principle --- 694 --- Esthetica en filosofie --- Théorie quantique --- Matière --- Rapports sociaux --- Book --- Epistemology

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Quantum mechanics, discovered by Werner Heisenberg and Erwin Schrödinger in 1925-1926, is famous for its radical implications for our conception of physics and for our view of human knowledge in general. While these implications have been seen as scientifically productive and intellectually liberating to some, Niels Bohr and Heisenberg, among them, they have been troublesome to many others, including Schrödinger and, most famously, Albert Einstein. The situation led to the intense debate that started in the wake of its discovery and has continued into our own time, with no end appearing to be in sight. Epistemology and Probability aims to contribute to our understanding of quantum mechanics and of the reasons for its extraordinary impact by reconsidering, under the rubric of "nonclassical epistemology," the nature of epistemology and probability, and their relationships in quantum theory. The book brings together the thought of the three figures most responsible for the rise of quantum mechanics Heisenberg and Schrödinger, on the physical side, and Bohr, on the philosophical side in order to develop a deeper sense of the physical, mathematical, and philosophical workings of quantum-theoretical thinking. Reciprocally, giving a special emphasis on probability and specifically to the Bayesian concept of probability allows the book to gain new insights into the thought of these figures. The book reconsiders, from this perspective, the Bohr-Einstein debate on the epistemology of quantum physics and, in particular, offers a new treatment of the famous experiment of Einstein, Podolsky, and Rosen (EPR), and of the Bohr-Einstein exchange concerning the subject. It also addresses the relevant aspects of quantum information theory and considers the implications of its epistemological argument for higher-level quantum theories, such as quantum field theory and string and brane theories. One of the main contributions of the book is its analysis of the role of mathematics in quantum theory and in the thinking of Bohr, Heisenberg, and Schrödinger, in particular an examination of the new (vis-à-vis classical physics and relativity) type of the relationships between mathematics and physics introduced by Heisenberg in the course of his discovery of quantum mechanics. Although Epistemology and Probability is aimed at physicists, philosophers and historians of science, and graduate and advanced undergraduate students in these fields, it is also written with a broader audience in mind and is accessible to readers unfamiliar with the higher-level mathematics used in quantum theory.

Theory of knowledge --- Philosophy of science --- Operational research. Game theory --- Probability theory --- Quantum mechanics. Quantumfield theory --- Elementary particles --- elementaire deeltjes --- quantumfysica --- waarschijnlijkheidstheorie --- stochastische analyse --- kwantumleer --- wetenschapsfilosofie --- kennisleer --- fysica --- kansrekening --- Causality (Physics) --- Complementarity (Physics) --- Heisenberg uncertainty principle --- Knowledge, Theory of --- Physics --- Quantum theory --- Schrödinger equation --- Wave-particle duality --- Dualism, Wave-particle --- Duality principle (Physics) --- Wave-corpuscle duality --- Electromagnetic waves --- Matter --- Radiation --- Wave mechanics --- Equation, Schrödinger --- Schrödinger wave equation --- Differential equations, Partial --- Particles (Nuclear physics) --- WKB approximation --- Epistemology --- Philosophy --- Psychology --- Indeterminancy principle --- Uncertainty principle --- Causality --- Nuclear physics --- History --- Mathematics --- Constitution --- Bohr, Niels, --- Heisenberg, Werner --- Schrödinger, Erwin, --- Schredinger, Ervin, --- Schrödinger, E. --- Schroedinger, Erwin, --- Boer, Niersi, --- Boerh, Niersi, --- Bohr, N. --- Bohr, Niels Henrik David, --- Bor, Nil's,