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Three-dimensional matter wave soliton transformation between different optical lattices in a cold Rydberg atomic system.
Sci Rep
January 2025
Key Laboratory of Optoelectronic Sensing and Intelligent Control, Hubei University of Science and Technology, Xianning, 437100, China.
We present a novel approach to realize three-dimensional (3D) matter wave solitons (MWSs) transformation between different optical potential wells by manipulating their depths and centers. The 3D MWSs are obtained by the square operator method, and transformed to other types (elliptical/ring/necklace) by performing time evolution with the split-step Fourier method. The effectiveness and reliability of our approach is demonstrated by comparing the transformed solitons with those obtained iteratively using the square operator method.
View Article and Find Full Text PDFComment on "Localized and Delocalized States of a Diamine Cation: Resolution of a Controversy".
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November 2024
Department of Chemistry, Department of Physics & Astronomy, and Materials Science & Engineering Program, University of California-Riverside, Riverside, California 92521, United States.
Since its appearance in [Cheng, X.; Zhang, Y.; Jónsson, E.
View Article and Find Full Text PDFA technological solution to child safety seat errors: Efficacy of the cellular car seat.
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Center for Injury Research and Prevention, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
Objective: Although child safety seats are highly effective in preventing injuries, they are frequently misused. Experts have identified two leading "critical misuses": (1) loose harness straps and (2) loose vehicle attachment at the base. We designed an innovative child safety seat system that educates, instructs, and alarms participants of safety seat errors.
View Article and Find Full Text PDFUltraviolet photochemistry of the 2-buten-2-yl radical.
Phys Chem Chem Phys
October 2024
Department of Chemistry, University of California at Riverside, Riverside, CA 92521, USA.
The ultraviolet (UV) photodissociation dynamics of the 2-buten-2-yl (CH) radical were studied using the high- Rydberg atom time-of-flight (HRTOF) technique in the photolysis region of 226-246 nm. 2-Buten-2-yl radicals were generated by 193 nm photodissociation of the precursor 2-chloro-2-butene. The H-atom photofragment yield (PFY) spectrum of 2-buten-2-yl is broad, peaking at 234 nm.
View Article and Find Full Text PDFRydberg-State Double-Well Potentials of Van der Waals Molecules.
Molecules
September 2024
Smoluchowski Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków, Poland.
Recent progress in studies of Rydberg double-well electronic energy states of MeNg (Me = 12-group atom, Ng = noble gas atom) van der Waals (vdW) molecules is presented and analysed. The presentation covers approaches in experimental studies as well as ab initio-calculations of potential energy curves (PECs). The analysis is shown in a broader context of Rydberg states of hetero- and homo-diatomic molecules with PECs possessing complex 'exotic' structure.
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