Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/137032
Title: Engineering photon delocalization in a Rabi dimer with a dissipative bath
Authors: Zheng, Fulu
Zhang, Yuyu
Wang, Lu
Wei, Yadong
Zhao, Yang
Keywords: Science::Physics::Atomic physics::Quantum theory
Issue Date: 2018
Source: Zheng, F., Zhang, Y., Wang, L., Wei, Y., & Zhao, Y. (2018). Engineering photon delocalization in a Rabi dimer with a dissipative bath. Annalen der Physik, 530(12), 1800351-. doi:10.1002/andp.201800351
Journal: Annalen der Physik
Abstract: A Rabi dimer is used to model a recently reported circuit quantum electrodynamics system composed of two coupled transmission‐line resonators with each being coupled to one qubit. In this study, a phonon bath is adopted to mimic the multimode micromechanical resonators and is coupled to the qubits in the Rabi dimer. The dynamical behavior of the composite system is studied by the Dirac–Frenkel time‐dependent variational principle combined with the multiple Davydov D2 ansätze. Initially, all the photons are pumped into the left resonator, and the two qubits are in the down state coupled with the phonon vacuum. In the strong qubit–photon coupling regime, the photon dynamics can be engineered by tuning the qubit–bath coupling strength α and photon delocalization is achieved by increasing α. In the absence of dissipation, photons are localized in the initial resonator. Nevertheless, with moderate qubit–bath coupling, photons are delocalized with quasiequilibration of the photon population in two resonators at long times. In this case, high‐frequency bath modes are activated by interacting with depolarized qubits. For strong dissipation, photon delocalization is achieved via frequent photon‐hopping within two resonators and the qubits are suppressed in their initial down state.
URI: https://hdl.handle.net/10356/137032
ISSN: 0003-3804
DOI: 10.1002/andp.201800351
Rights: This is the peer reviewed version of the following article: Zheng, F., Zhang, Y., Wang, L., Wei, Y., & Zhao, Y. (2018). Engineering photon delocalization in a Rabi dimer with a dissipative bath. Annalen der Physik, 530(12), 1800351-. doi:10.1002/andp.201800351, which has been published in final form at https://doi.org/10.1002/andp.201800351. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

Files in This Item:
File Description SizeFormat 
Engineering Photon Delocalization in a Rabi Dimer with a Dissipative Bath.pdf1.52 MBAdobe PDFView/Open

SCOPUSTM   
Citations 20

3
Updated on Mar 2, 2021

PublonsTM
Citations 20

2
Updated on Mar 4, 2021

Page view(s)

102
Updated on May 24, 2022

Download(s) 50

27
Updated on May 24, 2022

Google ScholarTM

Check

Altmetric


Plumx

Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.