Probing exciton/exciton interactions with entangled photons: theory
Quantum Physics
2020-03-18 v2 Materials Science
Abstract
Quantum entangled photons provide a sensitive probe of many-body interactions and offer an unique experimental portal for quantifying many-body correlations in a material system. In this paper, we present a theoretical demonstration of how photon-photon entanglement can be generated via interactions between coupled qubits. Here we develop a model for the scattering of an entangled pair of photons from a molecular dimer. We develop a diagrammatic theory for the scattering matrix and show that one can correlate the von Neumann entropy of the outgoing bi-photon wave function to exciton exchange and repulsion interactions. We conclude by discussing possible experimental scenarios for realizing these ideas.
Keywords
Cite
@article{arxiv.1911.04614,
title = {Probing exciton/exciton interactions with entangled photons: theory},
author = {Eric R. Bittner and Hao Li and Andrei Piryatinski and Ajay Ram Srimath Kandada and Carlos Silva},
journal= {arXiv preprint arXiv:1911.04614},
year = {2020}
}