Decoherence and the Appearance of a Classical World in Quantum Theory

By R Alicki. 2004

1,349 citations recorded by the source corpus.

Subfields: Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/402e3dc6f5dd9e0ec8de11e085d6b66ade4df1a2

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In Atomic and Molecular Physics, and Optics

Citations in the corpus

Third quantization: a general method to solve master equations for quadratic open Fermi systems (2008, background): “5, J y m = 0, hm ∈ [1, 2] (transverse Ising with field disorder, blue points), (ii) J m ∈ [0.”
Why do cosmological perturbations look classical to us (2008, background): “Equation (23) can be written in the suggestive way y(k, η) = √ 2k fk1(η) yk − √ 2 k fk2(η) pk , (24) where yk ≡ y(k, η0) and pk ≡ p(k, η0), fk1 = ℜfk, fk2 = ℑfk.”
A Kapitza–Dirac–Talbot–Lau interferometer for highly polarizable molecules (2007, background): “Coherence experiments with complex objects are of interest for exploring the transition to classical physics [7-9], for measuring molecular properties [10] and they have even been proposed for testing new models of space-time [11].”
What does inflation really predict? (2004, background): “Decoherence [33] then ensures that we can for all practical purposes treat φ as having different classical values in different spatial regions [34, 35].”
Observables in effective gravity (2005, background): “Likewise, merely making two measurements in a given region, each with resolution 1/Λ, involves energies Λ. Absence of gravitational collapse thus means that the separation of the measurements must be greater than the corresponding Schwarzschild radius, giving the locality bound constraint (6.8).”
Quantum discord: a measure of the quantumness of correlations. (2001, background): “The density matrix of the decohering quantum apparatus loses its oﬀ-diagonal terms as a result of the interaction with the environment [5, 6, 7, 8]: Above h a i | a j i = δ i,j following the ideal einselection process, which transforms a pure ρ P S , A into a decohered ρ D”
Heavy-ion collisions and fission dynamics with the time-dependent Hartree–Fock theory and its extensions (2018, background): “It is well known that the coupling of a system to an external environment induces a decoherence process which is responsible for the quantum to classical transition [4, 5].”
Pointer states for primordial fluctuations in inflationary cosmology (2006, methodology): “Usually decoherence sets in roughly at this stage [5].”
Universal decoherence due to gravitational time dilation (2013, methodology): “This classical effect can be seen as caused by the “weight of heat” or gravitational redshift – as in Tolman’s own work [4] – or, equivalently, as caused by time dilation between parts of the system at different gravitational potentials: the local internal frequencies ω0 are time dilated with respec”
Energy transfer from Förster–Dexter theory to quantum coherent light-harvesting (2011, background): “Decoherence is a process whereby repeated interactions of a system with an environment of a large number of degrees of freedom (bath) can destroy the phase relationship between superpositions of electronic excitation on the chromophores, say A and B if the transition energy fluctuations are larger t”
Conscious Pulse II: The rules of engagement (2002, background): “It is an effect of environmental decoherence [4], [5].”
Quantum decoherence (2019, background): “In particular, the effect suffices to explain the localization of truly macroscopic objects, since the critical temperature for the effective quantum-to-classical transition decreases with increasing size (Hornberger, 2006; Joos et al., 2003).”
Between classical and quantum (2005, background): “Various dynamical regimes haven been unearthed, each of which leads to a different class of robust states (Joos et al., 2003; Zurek, 2003; Schlosshauer, 2004).”
Kinematic reconstructions of extended theories of gravity at small and intermediate redshifts (2019, background): “Further, at ultraviolet energies a fully comprehensive approach to quantum gravity is still lacking, leaving the interplay between quantum mechanics and gravity within the domain of pure speculations [4].”