Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/157804
Title: Schrödinger-cat states in Landau-Zener-Stückelberg-Majorana interferometry: a multiple Davydov Ansatz approach
Authors: Wang, Lu
Zheng, Fulu
Wang, Jiaming
Großmann, Frank
Zhao, Yang
Keywords: Engineering::Materials
Issue Date: 2021
Source: Wang, L., Zheng, F., Wang, J., Großmann, F. & Zhao, Y. (2021). Schrödinger-cat states in Landau-Zener-Stückelberg-Majorana interferometry: a multiple Davydov Ansatz approach. Journal of Physical Chemistry B, 125(12), 3184-3196. https://dx.doi.org/10.1021/acs.jpcb.1c00887
Project: RG 190/18
RG 87/20
2018-T1-002-175
2020-T1-002-075
Journal: Journal of Physical Chemistry B
Abstract: Employing the time-dependent variational principle combined with the multiple Davydov D2 Ansatz, we investigate Landau-Zener (LZ) transitions in a qubit coupled to a photon mode with various initial photon states at zero temperature. Thanks to the multiple Davydov trial states, exact photonic dynamics taking place in the course of the LZ transition is also studied efficiently. With the qubit driven by a linear external field and the photon mode initialized with Schrödinger-cat states, asymptotic behavior of the transition probability beyond the rotating-wave approximation is uncovered for a variety of initial states. Using a sinusoidal external driving field, we also explore the photon-assisted dynamics of Landau-Zener-Stückelberg-Majorana interferometry. Transition pathways involving multiple energy levels are unveiled by analyzing the photon dynamics.
URI: https://hdl.handle.net/10356/157804
ISSN: 1520-5207
DOI: 10.1021/acs.jpcb.1c00887
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Physical Chemistry B, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jpcb.1c00887.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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