The role of dephasing for dark state coupling in a molecular Tavis-Cummings model

Abstract

Collective coupling of an ensemble of particles to a light field is commonly described by the Tavis--Cummings model. This model includes numerous eigenstates which are optically decoupled from the optically bright polariton states. To access these dark states requires breaking the symmetry in the corresponding Hamiltonian. In this paper, we investigate the influence of non-unitary processes on the dark state dynamics in molecular Tavis--Cummings model. The system is modelled with a Lindblad equation that includes pure dephasing, as they would be caused by weak interactions with an environment, and photon decay. Our simulations show that the rate of the pure dephasing, as well as the number of particles, has a significant influence on the dark state population.

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Cited by in corpus (5)

• Cavity-Born-Oppenheimer Hartree-Fock Ansatz: Light-matter Properties of Strongly Coupled Molecular Ensembles
• Unraveling a cavity induced molecular polarization mechanism from collective vibrational strong coupling
• Ab-Initio Vibro-Polaritonic Spectra in Strongly Coupled Cavity-Molecule Systems
• Extending the Tavis-Cummings model for molecular ensembles -- Exploring the effects of dipole self energies and static dipole moments
• The role of dark polariton states for electronic strong coupling in molecules