Quantum mechanics violates a causal inequality derived from absoluteness of observed events plus axiological time symmetry and no retrocausality in timelike scenarios, even under a weakened operational version of absoluteness.
Decoherence, the measurement problem, and interpretations of quantum mechanics
12 Pith papers cite this work, alongside 993 external citations. Polarity classification is still indexing.
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abstract
Environment-induced decoherence and superselection have been a subject of intensive research over the past two decades, yet their implications for the foundational problems of quantum mechanics, most notably the quantum measurement problem, have remained a matter of great controversy. This paper is intended to clarify key features of the decoherence program, including its more recent results, and to investigate their application and consequences in the context of the main interpretive approaches of quantum mechanics.
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Gravitational decoherence of macroscopic objects in Newtonian gravity accumulates logarithmically over distances but remains subdominant to collisional decoherence.
A quasilinear evolution equation is introduced to replace von Neumann projection in selective quantum measurements, preserving ensemble equivalence and no-signaling without invoking apparatus states.
A quasilinear continuous evolution is introduced that reproduces the final states of von Neumann rank-one projective measurement while preserving no-signaling and ensemble equivalence.
Hard final-state radiation measurably destroys the spin entanglement of fermion-antifermion pairs, and the effect should already be visible in LHC ttbar+jet and Belle II tau+tau-gamma data.
A Lindblad master equation for a J/psi-like harmonic oscillator in an expanding QGP shows that hydrodynamic cooling slows quantum decoherence compared to a static bath, with viscosity having negligible impact.
Derives a lower bound on the dependence of the post-measurement environment state on the pre-measurement system state (conditioned on outcome) under joint unitarity assumptions, and suggests an experimental test for compatibility with definite outcomes.
The Shortest Path in Pauli Forest algorithm decomposes Pauli exponentials into quantum circuits with improved CNOT counts and runtime for random cases and molecular ansatze.
A mixed linear-logarithmic real-space renormalization-group scheme suppresses finite-size revivals and accurately captures decoherence in quench dynamics of the resonant level model.
A dissertation that introduces slow-roll inflation and perturbations, critiques squeezing and decoherence formalisms, and investigates the pilot-wave approach to the quantum-to-classical transition with numerical illustrations.
Non-Hermitian systems admit equivalent descriptions in isomorphic Hilbert spaces related by Krein metrics, with physical quantities transported accordingly; illustrated on a two-level spin model via Robertson uncertainty relation as consistency test.
The paper summarizes A. O. Caldeira's foundational work on quantum Brownian motion, including dissipation in tunneling, alternative models, and links to decoherence and quantum thermodynamics.
citing papers explorer
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Limits of Absoluteness of Observed Events in Timelike Scenarios: A No-Go Theorem
Quantum mechanics violates a causal inequality derived from absoluteness of observed events plus axiological time symmetry and no retrocausality in timelike scenarios, even under a weakened operational version of absoluteness.
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Gravitationally Induced Quantum Decoherence of Macroscopic Objects
Gravitational decoherence of macroscopic objects in Newtonian gravity accumulates logarithmically over distances but remains subdominant to collisional decoherence.
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Quasilinear evolution versus von Neumann selective measurement
A quasilinear evolution equation is introduced to replace von Neumann projection in selective quantum measurements, preserving ensemble equivalence and no-signaling without invoking apparatus states.
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Quantum selective measurement as a quasilinear evolution
A quasilinear continuous evolution is introduced that reproduces the final states of von Neumann rank-one projective measurement while preserving no-signaling and ensemble equivalence.
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Experimental prospects for quantum decoherence measurements at colliders
Hard final-state radiation measurably destroys the spin entanglement of fermion-antifermion pairs, and the effect should already be visible in LHC ttbar+jet and Belle II tau+tau-gamma data.
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Quantum decoherence: a study applied to quarkonium-like bound states in strongly interacting matter
A Lindblad master equation for a J/psi-like harmonic oscillator in an expanding QGP shows that hydrodynamic cooling slows quantum decoherence compared to a static bath, with viscosity having negligible impact.
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Joint Unitarity and a Single Definite Outcome in a Quantum Measurement
Derives a lower bound on the dependence of the post-measurement environment state on the pre-measurement system state (conditioned on outcome) under joint unitarity assumptions, and suggests an experimental test for compatibility with definite outcomes.
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Shortest Path in Pauli Forest -- An Algorithm for Decomposing Pauli Exponentials to Quantum Circuits
The Shortest Path in Pauli Forest algorithm decomposes Pauli exponentials into quantum circuits with improved CNOT counts and runtime for random cases and molecular ansatze.
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Real-space renormalization-group study of decoherence and revival following a sudden quench in a finite system
A mixed linear-logarithmic real-space renormalization-group scheme suppresses finite-size revivals and accurately captures decoherence in quench dynamics of the resonant level model.
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On the Quantum-to-Classical Transition of Primordial Perturbations
A dissertation that introduces slow-roll inflation and perturbations, critiques squeezing and decoherence formalisms, and investigates the pilot-wave approach to the quantum-to-classical transition with numerical illustrations.
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Metric Congruence in Finite-Dimensional Non-Hermitian Quantum Mechanics
Non-Hermitian systems admit equivalent descriptions in isomorphic Hilbert spaces related by Krein metrics, with physical quantities transported accordingly; illustrated on a two-level spin model via Robertson uncertainty relation as consistency test.
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Over forty years of research towards the understanding of Quantum Brownian Motion -- the contributions of A. O. Caldeira
The paper summarizes A. O. Caldeira's foundational work on quantum Brownian motion, including dissipation in tunneling, alternative models, and links to decoherence and quantum thermodynamics.