Research findings on Nanotechnology - Quantum Dots are discussed in a new report. According to news originating from Madrid, Spain, by NewsRx correspondents, research stated, "Minimal Kitaev chains composed of two semiconducting quantum dots coupled via a superconductor have emerged as a promising platform to realize and study Majorana bound states (MBSs), which appear for fine-tuned configurations. We propose a hybrid qubit based on a Josephson junction between two such double quantum dots (DQDs) embedded in a superconducting qubit geometry."

Financial supporters for this research include Horizon Europe Framework Program of the European Commission through the European Innovation Council Pathfinder, Spanish Ministry of Science - MCIN/AEI, ERDF A way of making Europe, Spanish Comunidad de Madrid (CM) "Talento Program", European Union (EU), Consejo Superior de Investigaciones Cientificas (CSIC) Interdisciplinary Thematic Platform (PTI +) on Quantum Technologies (PTI-QTEP +).
Our news journalists obtained a quote from the research from Spanish National Research Council (CSIC), "The qubit makes use of the 4 pi -Josephson effect in the Kitaev junction to create a subspace based on the even/odd fermionic parities of the two DQD arrays hosting MBSs. Deep in the transmon regime, we demonstrate that by performing circuit QED spectroscopy on such a hybrid Kitaev-transmon 'Kitmon' qubit, one could observe distinct MBS features in perfect agreement with precise analytical predictions in terms of DQD parameters only."
According to the news editors, the research concluded: "This agreement allows us to extract the Majorana polarization in the junction from the microwave response."
This research has been peer-reviewed.
For more information on this research see: Minimal Kitaev-transmon Qubit Based On Double Quantum Dots. Physical Review B, 2024;109(7). Physical Review B can be contacted at: Amer Physical Soc, One Physics Ellipse, College Pk, MD 20740-3844, USA. (American Physical Society - www.aps.org/; Physical Review B - prb.aps.org)
The news correspondents report that additional information may be obtained from D. Michel Pino, Spanish National Research Council (CSIC), Inst Ciencia Mat Madrid Icmm, Sor Juana Ines De La Cruz 3, Madrid 28049, Spain. Additional authors for this research include Ruben Seoane Souto and Ramon Aguado.
The direct object identifier (DOI) for that additional information is: https://doi.org/10.1103/PhysRevB.109.075101. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.
Keywords for this news article include: Madrid, Spain, Europe, Emerging Technologies, Nanotechnology, Physics, Quantum Dots, Quantum Physics, Spanish National Research Council (CSIC).
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