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Observation of two-dimensional time-reversal broken non-Abelian topological states.
Nat Commun
November 2024
State Key Laboratory of Extreme Photonics and Instrumentation, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, China.
Going beyond the conventional theory, non-Abelian band topology reveals the global quantum geometry of multiple Bloch bands and unveils a new paradigm for topological physics. However, to date, experimental studies on non-Abelian topological states beyond one dimension are still restricted to systems with time-reversal ( ) symmetry. Here, exploiting a designer gyromagnetic photonic crystal, we find rich -broken non-Abelian topological phases and their transitions with an unexpected connection to multigap antichiral edge states.
View Article and Find Full Text PDFAcoustofluidic Tweezers Integrated with Droplet Sensing Enable Multifunctional Closed-Loop Droplet Manipulation.
Adv Sci (Weinh)
January 2025
State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, 150001, China.
Droplet manipulation technologies with surface acoustic waves attract significant attention for applications in fluid handling and bioanalysis. However, existing technologies face challenges in automation, precision, and functional integration, limiting broader applications. In this work, a highly integrated droplet-sensing acoustofluidic tweezer is developed, incorporating orthogonally arranged slanted finger interdigital transducers and a custom-designed control and detection circuit system.
View Article and Find Full Text PDFRobot-assisted technique can achieve accurate screw placement in four-corner fusion and reduce operative difficulty: a cadaver study.
J Orthop Surg Res
November 2024
Department of Hand Surgery, Beijing Jishuitan Hospital, Capital Medical University, No.31, Xin Jie Kou East Street, Xi Cheng District, Beijing, 100035, China.
Background: The purpose of this study is to explore the feasibility and accuracy of a robot-assisted technique in four-corner fusion compared with traditional freehand operation.
Methods: Twenty cadaver specimens were randomly assigned to the robot-assisted group and freehand groups. Three screws were placed percutaneously to fix the capitate-lunate joint, lunate-triquetrum joint, and triquetrum-hamate-capitate joint in each specimen by robot-assisted or freehand technique.
Dual-Wide Multi-Band (DWMB) four-port flexible MIMO antenna for on-body multiple wireless applications including high diversity performance.
PLoS One
November 2024
School of Computing and Communications, Lancaster University, Lancaster, United Kingdom.
The single-input-single-output technology experiences loss of data in the communication channel due to the receiving antenna undergoing fading of the signal impinged on it. Today's need is faster data transfer with multiple applications in the single antenna with multiple-identical radiating elements, leading to multiple-input-multiple-outputDWMB (MIMODWMB) technology. The MIMODWMB configuration with multi-band capability is the objective of the proposed work with applications ranging between microwave-millimeterWave bands.
View Article and Find Full Text PDFA leadless power transfer and wireless telemetry solutions for an endovascular electrocorticography.
J Neural Eng
November 2024
School of Biomedical Engineering, The University of Sydney, Camperdown, NSW 2050, Australia.
. Endovascular brain-computer interfaces (eBCIs) offer a minimally invasive way to connect the brain to external devices, merging neuroscience, engineering, and medical technology. Currently, solutions for endovascular electrocorticography (ECoG) include a stent in the brain with sensing electrodes, a chest implant to accommodate electronic components to provide power and data telemetry, and a long (tens of centimeters) cable travel through vessels with a set of wires in between.
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