Exotic collective behaviors of giant quantum emitters in two-dimensional baths
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Quantum Physics arXiv:2601.14867 (quant-ph) [Submitted on 21 Jan 2026] Title:Exotic collective behaviors of giant quantum emitters in two-dimensional baths Authors:Qing-Yang Qiu, Wen Huang, Lei Du, Xin-You Lü View a PDF of the paper titled Exotic collective behaviors of giant quantum emitters in two-dimensional baths, by Qing-Yang Qiu and Wen Huang and Lei Du and Xin-You L\"u View PDF HTML (experimental) Abstract:Nonlocal light-matter interactions with giant atoms in high-dimensional environments are not only fundamentally intriguing for testing quantum electrodynamics beyond the dipole approximation but also crucial for building high-dimensional quantum networks and engineering multipartite entangled states. Given the enigmatic and largely uncharted collective signatures exhibited by multiple giant atoms within two-dimensional optical baths, we delve into their nonperturbative collective dynamics within the single-excitation subspace, focusing on the case where they are coupled to a common two-dimensional photonic reservoir and employing a resolvent operator approach. We demonstrate that precisely engineered atomic arrangements lead to unconventional quantum dynamics, featuring non-Markovianity-induced beats and long-lived bound states in the continuum, thereby providing a versatile platform for implementing two-dimensional quantum memory. Phenomenologically, we observe the emergence of exotic photon emission patterns in both two- and three-dimensional (3D) baths. The emission directions are shown to be precisely controllable on demand through exact phase engineering of the coupling parameters, enabling a highly efficient chiral light-matter interface. Moreover, our generalization to a 3D bath reveals that coherent dipole-dipole interactions can survive despite the coupling to a continuum of modes, a finding that challenges conventional wisdom regarding decoherence. Comments: Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2601.14867 [quant-ph] (or arXiv:2601.14867v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2601.14867 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Journal reference: Phys. Rev. A 113, 013727, January 2026 Related DOI: https://doi.org/10.1103/yygz-71tr Focus to learn more DOI(s) linking to related resources Submission history From: Xinyou Lu Prof. [view email] [v1] Wed, 21 Jan 2026 10:52:06 UTC (2,909 KB) Full-text links: Access Paper: View a PDF of the paper titled Exotic collective behaviors of giant quantum emitters in two-dimensional baths, by Qing-Yang Qiu and Wen Huang and Lei Du and Xin-You L\"uView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2026-01 References & Citations INSPIRE HEP NASA ADSGoogle Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv (What is alphaXiv?) Links to Code Toggle CatalyzeX Code Finder for Papers (What is CatalyzeX?) DagsHub Toggle DagsHub (What is DagsHub?) GotitPub Toggle Gotit.pub (What is GotitPub?) Huggingface Toggle Hugging Face (What is Huggingface?) Links to Code Toggle Papers with Code (What is Papers with Code?) ScienceCast Toggle ScienceCast (What is ScienceCast?) Demos Demos Replicate Toggle Replicate (What is Replicate?) Spaces Toggle Hugging Face Spaces (What is Spaces?) Spaces Toggle TXYZ.AI (What is TXYZ.AI?) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower (What are Influence Flowers?) Core recommender toggle CORE Recommender (What is CORE?) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)