Quantum Darwinism, Classical Reality, and the Randomness of Quantum Jumps

Abstract

Tracing flows of information in our quantum Universe explains why we see the world as classical.

arXiv commentThis manuscript, after cuts and edits to comply with Physics Today limits and style, was published last October. It may have some rough edges, but it also contains technical elaborations omitted from the published version for lack of space that may be of interest to some readers. Thus, while the essence is the same, but there are differences (starting with the title and abstract)

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• Quantum Theory of the Classical: Einselection, Envariance, Quantum Darwinism and Extantons
• Quantum Theory of the Classical: Quantum Jumps, Born's Rule, and Objective Classical Reality via Quantum Darwinism
• Demonstration of entanglement assisted invariance on IBM's Quantum Experience
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• Amplification, Decoherence, and the Acquisition of Information by Spin Environments
• Redundancy of einselected information in quantum Darwinism: The irrelevance of irrelevant environment bits
• Eliminating Ensembles from Equilibrium Statistical Physics: Maxwell's Demon, Szilard's Engine, and Thermodynamics via Entanglement
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• Measurement-induced decoherence and information in double-slit interference
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• Quantization of scalar fields coupled to point-masses
• Chapter: Vulnerability of Quantum Information Systems to Collective Manipulation
• Classifying two-body Hamiltonians for Quantum Darwinism
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• Emergence of the Classical from within the Quantum Universe
• Amplification, inference, and the manifestation of objective classical information
• Emergence of Objectivity for Quantum Many-Body Systems
• Making sense of Born's rule $p_{\alpha }=\Vert {\Psi }_{\alpha }{\Vert }^2$ with the many-minds interpretation
• Objectivity in quantum measurement
• Observation of Quantum Darwinism and the Origin of Classicality with Superconducting Circuits
• Recovering the quantum formalism from physically realist axioms
• Decoherence: From Interpretation to Experiment
• Spin relaxation in phase space
• Everett's Missing Postulate and the Born Rule
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• Enhanced non-macrorealism: Extreme violations of Leggett-Garg inequalities for a system evolving under superposition of unitaries
• Targeting Eigenstates by "Simulated Measurements" using a Decoherence based Nonlinear Schrödinger Equation
• A Heuristic Approach to the Quantum Measurement Problem: How to Distinguish Particle Detectors from Ordinary Objects
• Quantum Measurement and Objective Classical Reality
• Revisiting Born's rule through Uhlhorn's and Gleason's theorems
• Holevo bound and objectivity in the boson-spin model
• Time dispersion in bound states
• Quantum detectors as autonomous machines: assessing the nonequilibrium thermodynamics of information acquisition