Coherence and Emergence of Classical Spacetime

Abstract

Using the coherent-state representation we show that the classical Einstein equation for the FRW cosmological model with a general minimal scalar field can be derived from the semiclassical quantum Einstein equation.

Replaced by the version to be published in PRD

References in corpus (1)

• Mean Field Approach to Quantum Duffing Oscillator

Cited by in corpus (7)

• Nonequilibrium Quantum Dynamics of Second Order Phase Transitions
• Classical and Quantum Action-Phase Variables for Time-Dependent Oscillators
• Generalized Invariants and Quantum Evolution of Open Fermionic System
• Quantum Inflaton Dynamics
• Semiclassical States in Quantum Cosmology: Bianchi I Coherent States
• Quantum Field Theory in a Topology Changing Universe
• Quantum Remnant as Dark Energy and Dark Matter