Modification of ground-state chemical reactivity via light–matter coherence in infrared cavities

W Ahn, JF Triana, F Recabal, F Herrera, BS Simpkins - Science, 2023 - science.org
Reaction-rate modifications for chemical processes due to strong coupling between reactant
molecular vibrations and the cavity vacuum have been reported; however, no currently …

Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance

N Shammah, S Ahmed, N Lambert, S De Liberato… - Physical Review A, 2018 - APS
The permutational invariance of identical two-level systems allows for an exponential
reduction in the computational resources required to study the Lindblad dynamics of …

Quantum antennas

GY Slepyan, S Vlasenko… - Advanced Quantum …, 2020 - Wiley Online Library
Due to the recent groundbreaking developments of nanotechnologies, it became possible to
create intrinsically quantum systems able to serve as high‐directional antennas in terahertz …

Time-dependent variational principle for open quantum systems with artificial neural networks

M Reh, M Schmitt, M Gärttner - Physical Review Letters, 2021 - APS
We develop a variational approach to simulating the dynamics of open quantum many-body
systems using deep autoregressive neural networks. The parameters of a compressed …

Polaritons and excitons: Hamiltonian design for enhanced coherence

GD Scholes - Proceedings of the Royal Society A, 2020 - royalsocietypublishing.org
The primary questions motivating this report are: Are there ways to increase coherence and
delocalization of excitation among many molecules at moderate electronic coupling …

Theory of nanoscale organic cavities: The essential role of vibration-photon dressed states

F Herrera, FC Spano - ACS photonics, 2018 - ACS Publications
The interaction of organic molecules and molecular aggregates with electromagnetic fields
that are strongly confined in nanoscale optical cavities has allowed the observation of exotic …

Synchronizing the smallest possible system

A Roulet, C Bruder - Physical review letters, 2018 - APS
We investigate the minimal Hilbert-space dimension for a system to be synchronized. We
first show that qubits cannot be synchronized due to the lack of a limit cycle. Moving to larger …

Absorption and photoluminescence in organic cavity QED

F Herrera, FC Spano - Physical Review A, 2017 - APS
Organic microcavities can be engineered to reach exotic quantum regimes of strong and
ultrastrong light-matter coupling. However, the microscopic interpretation of their …

Shattered time: can a dissipative time crystal survive many-body correlations?

K Tucker, B Zhu, RJ Lewis-Swan, J Marino… - New Journal of …, 2018 - iopscience.iop.org
We investigate the emergence of a time crystal (TC) in a driven dissipative many-body spin
array. In this system the interplay between incoherent spin pum** and collective emission …

Continuous versus Discontinuous Transitions in the -Dimensional Generalized Kuramoto Model: Odd is Different

S Chandra, M Girvan, E Ott - Physical Review X, 2019 - APS
The Kuramoto model, originally proposed to model the dynamics of many interacting
oscillators, has been used and generalized for a wide range of applications involving the …