Two-dimensional matter-wave interferometer, rotational dynamics, and spin contrast
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Quantum Physics arXiv:2603.05595 (quant-ph) [Submitted on 5 Mar 2026] Title:Two-dimensional matter-wave interferometer, rotational dynamics, and spin contrast Authors:Ryan Rizaldy, Shrestha Mishra, Anupam Mazumdar View a PDF of the paper titled Two-dimensional matter-wave interferometer, rotational dynamics, and spin contrast, by Ryan Rizaldy and 2 other authors View PDF HTML (experimental) Abstract:We investigate a two-dimensional matter-wave interferometer where both spatial and rotational dynamics of a nanoparticle are intertwined in closing the one-loop interferometer in the Stern-Gerlach type setup. We consider the spin-contrast of the nitrogen-vacancy (NV) centred nanodiamond in combination with a two-dimensional magnetic field setup to extend the one-dimensional Stern--Gerlach interferometry. We analyse the dynamical motion along with the rigid rotation under the influence of the external magnetic field. Regarding rotation, we incorporate Euler-angle dynamics to analyse the stability of rotational degrees of freedom and their influence on the spin contrast to address the Humpty-Dumpty problem. We show that by imparting external rotation provides the gyroscopic stability to the liberating mode of the NV-spin and hence helps to improve the contrast. Our scheme creates a tiny spatial superposition of size $\sim 0.21~{\rm \mu m}$ for mass $m=10^{-17}$kg in less than $t\sim 0.013$s. Comments: Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2603.05595 [quant-ph] (or arXiv:2603.05595v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2603.05595 Focus to learn more arXiv-issued DOI via DataCite Submission history From: Ryan Rizaldy [view email] [v1] Thu, 5 Mar 2026 19:00:10 UTC (1,541 KB) Full-text links: Access Paper: View a PDF of the paper titled Two-dimensional matter-wave interferometer, rotational dynamics, and spin contrast, by Ryan Rizaldy and 2 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2026-03 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?)