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Quantum field theory, body of physical principles that combines quantum mechanics and relativity to explain the behaviour of subatomic particles.
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Introduction to Quantum Mechanics
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Quantum Theory and Knots: Exploring Fascinating Links Between Apparently Disparate Domains, by Marco Tavora Ph.D.
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What is Physics?, Definition & Branches - Lesson
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Quantum mechanics, Definition, Development, & Equations
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Quantum entanglement - Wikipedia
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Five Great Problems in Theoretical Physics
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What Is a Quantum Field Theory? by Michel Talagrand
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Quantum Field Theory and the Limits of Knowledge
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Quantum Field Theory and the Limits of Knowledge
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Quantum fluctuation - Wikipedia
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Quantum Field Theory and the Limits of Knowledge
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