Ordering ambiguity for sharply peaked states in quantum cosmology

Author:

Harkirat Singh Sahota

Keyword:

General Relativity and Quantum Cosmology, General Relativity and Quantum Cosmology (gr-qc), High Energy Physics - Theory (hep-th)

journal:

date:

2023-10-14 16:00:00

Abstract

Sharply peaked quantum states are conjectured to be conducive to the notion of a quantum-corrected spacetime. For a flat-FLRW model with perfect fluid, a generalized ordering scheme is considered for the Hamiltonian, and we study the implication of different ordering choices on the observables. We demonstrate that the operator ordering ambiguity leaves no imprint in the case of sharply peaked states, leading to a consistent semiclassical picture for a quantum-corrected spacetime.

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