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  Generation of photonic tensor network states with Circuit QED

Wei, Z., Cirac, J. I., & Malz, D. (2022). Generation of photonic tensor network states with Circuit QED. Physical Review A, 105(2): 022611. doi:10.1103/PhysRevA.105.022611.

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 Creators:
Wei, Zhiyuan1, 2, Author              
Cirac, J. Ignacio1, 2, Author              
Malz, Daniel1, 2, Author              
Affiliations:
1Theory, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445571              
2MCQST - Munich Center for Quantum Science and Technology, External Organizations, ou_3330166              

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Free keywords: Quantum Physics, quant-ph
 Abstract: We propose a circuit QED platform and protocol to deterministically generate microwave photonic tensor network states. We first show that using a microwave cavity as ancilla and a transmon qubit as emitter is a favorable platform to produce photonic matrix-product states. The ancilla cavity combines a large controllable Hilbert space with a long coherence time, which we predict translates into a high number of entangled photons and states with a high bond dimension. Going beyond this paradigm, we then consider a natural generalization of this platform, in which several cavity--qubit pairs are coupled to form a chain. The photonic states thus produced feature a two-dimensional entanglement structure and are readily interpreted as $\textit{radial plaquette}$ projected entangled pair states, which include many paradigmatic states, such as the broad class of isometric tensor network states, graph states, string-net states.

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Language(s): eng - English
 Dates: 2021-09-142022-01-312022-02-172022-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 2109.06781v1
DOI: 10.1103/PhysRevA.105.022611
Other: 6253
 Degree: -

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Project name : ERC Advanced Grant QUENOCOBA
Grant ID : 742102
Funding program : EU Horizon 2020 program
Funding organization : -
Project name : FET Open SuperQuLAN
Grant ID : 899354
Funding program : European Union's Horizon 2020 research and innovation program
Funding organization : -

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Title: Physical Review A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 105 (2) Sequence Number: 022611 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2