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One-dimensional Lieb superlattices: from the discrete to the continuum limit.
Nanoscale
January 2025
Department of Physics, University of Antwerp, Antwerp, Belgium.
The Lieb lattice is one of the simplest lattices that exhibits both linear Dirac-like and flat topological electronic bands. We propose to further tailor its electronic properties through periodic 1D electrostatic superlattices (SLs), which, in the long wavelength limit, were predicted to give rise to novel transport signatures, such as the omnidirectional super-Klein tunnelling (SKT). By numerically modelling the electronic structure at tight-binding level, we uncover the evolution of the Lieb SL band structure from the discrete all the way to the continuum regime and build a comprehensive picture of the Lieb lattice under 1D potentials.
View Article and Find Full Text PDFMalpositioning of a Central Venous Catheter in the Vertebral Vein Through the Cervical Transverse Foramen: A Case Report.
Cureus
December 2024
Department of Neurosurgery, Kohka Public Hospital, Kohka, JPN.
Central venous catheters (CVCs) are commonly used for multiple clinical purposes. The internal jugular vein (IJV) is preferred among the most frequently used insertion sites due to its higher success rates and lower complication risks. Although CVC placement is generally considered a safe procedure, several complications have been reported.
View Article and Find Full Text PDFA Narrative Review of the Impact of Sleep on Athletes: Sleep Restriction Causes and Consequences, Monitoring, and Interventions.
Cureus
December 2024
Physical Medicine and Rehabilitation, Unidade de Saúde Local de Lisboa Ocidental, Lisboa, PRT.
This narrative review synthesizes evidence on the impact of sleep on athletic performance, the prevalence and causes of sleep disturbances, and effective monitoring and intervention strategies to enhance sleep quality and duration. A comprehensive review of case studies, observational studies, randomized controlled trials, systematic reviews, and meta-analyses was conducted using PubMed, Cochrane Library, and Google Scholar up to July 2024. Sleep plays a crucial role in the overall well-being and performance of athletes, yet sleep issues are highly prevalent due to factors such as competition schedules, psychological stress, and travel across time zones.
View Article and Find Full Text PDFDeterminants of Quality of Life in Patients With Urinary Incontinence: An Assessment Using the Incontinence Quality of Life (I-QOL) Scale.
Cureus
December 2024
Department of Epidemiology, Clinical Research and Community Health, Faculty of Medicine, Pharmacy and Dentistry of Fez, Sidi Mohamed Ben Abdellah University, Fez, MAR.
Background Urinary incontinence is a significant health problem with physical, social, economic, and psychological consequences for patients and their quality of life. The aim of our study is to determine the impact of urinary incontinence on the quality of life and to identify its determinants in patients with this condition. Materials and methods A cross-sectional study was carried out in the diagnostic center of Centre Hospitalier Universitaire (CHU) Hassan II in Fez, Morocco, between June and September 2019.
View Article and Find Full Text PDFAim: The aim of the study is to test the null hypothesis that the specificities and sensitivities of the p-value-based significance test for differences between baseline variables and the I test for single trials do not significantly differ in detecting selection bias in randomised controlled trials (RCTs).
Methods: In MS Excel (Microsoft Corp., Redmond, WA, US), 100 trials were simulated, each consisting of two treatment groups (A and B), with 100 subjects in each group.
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