Environmental Decoherence versus Intrinsic Decoherence

Abstract

We review the difference between standard environmental decoherence and 'intrinsic decoherence', which is taken to be an ineluctable process of Nature. Environmental decoherence is typically modeled by spin bath or oscillator modes - we review some of the unanswered questions not captured by these models, and also the application of them to experiments. Finally, a sketch is given of a new theoretical approach to intrinsic decoherence, and this scheme is applied to the discussion of gravitational decoherence.

to be published in Phil Trans Roy Soc A

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• The Big World of Nanothermodynamics
• Changing quantum reference frames
• Decoherence and its Role in the Modern Measurement Problem
• Understanding nature from experimental observations: a theory independent test for gravitational decoherence
• A macroscopic object passively cooled into its quantum ground state of motion: beyond single-mode cooling
• Understanding quantum mechanics: a review and synthesis in precise language
• Experimentally bounding deviations from quantum theory for a photonic three-level system using theory-agnostic tomography
• Self-gravitating Interferometry and Intrinsic Decoherence
• Decoherence measurements in crystals of molecular magnets
• Symmetric and antisymmetric forms of the Pauli master equation (for interaction of matter and antimatter quantum states)
• Structure of Correlated Worldline Theories of Quantum Gravity
• Correlated Worldline theory: Structure and Consistency
• Intrinsic decoherence for the displaced harmonic oscillator
• Propagators in the Correlated Worldline Theory of Quantum Gravity
• The direction of time and Boltzmann's time hypothesis
• Different theoretical aspects of the intrinsic decoherence in the Milburn formalism
• Different routes to the classical limit of backflow
• Entanglement production by the magnetic dipolar interaction dynamics
• Mesoscopic Quantum Thermo-mechanics: a new frontier of experimental physics
• Are intrinsic decoherence models physical theories?
• Master equations for Wigner functions with spontaneous collapse and their relation to thermodynamic irreversibility
• Interaction between Everett worlds and fundamental decoherence in Non-unitary Newtonian Gravity
• Dynamics in an emergent quantum-like state space generated by a nonlinear classical network