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Ecosystem Knowledge Should Replace Coexistence and Stability Assumptions in Ecological Network Modelling.
Bull Math Biol
December 2024
Centre for Data Science, Queensland University of Technology, Brisbane, 4000, Australia.
Quantitative population modelling is an invaluable tool for identifying the cascading effects of conservation on an ecosystem. When population data from monitoring programs is not available, deterministic ecosystem models have often been calibrated using the theoretical assumption that ecosystems have a stable, coexisting equilibrium. However, a growing body of literature suggests these theoretical assumptions are inappropriate for conservation contexts.
View Article and Find Full Text PDFQuantum Optical Binding of Nanoscale Particles.
Phys Rev Lett
December 2024
Ulm University, Institute for Complex Quantum Systems and Center for Integrated Quantum Science and Technology, Albert-Einstein-Allee 11, 89069 Ulm, Germany.
Article Synopsis
- Optical binding is the interaction between objects affected by laser light, useful for controlling tiny mechanical movements.
- The study explores the quantum aspects of optical binding and how these effects can be detected in upcoming experiments with levitated nanoparticles.
- The research also highlights limitations in achieving entanglement through optical binding in free space and suggests methods to overcome these challenges.
Atrial Topology for a Unified Understanding of Typical and Atypical Flutter.
Circ Arrhythm Electrophysiol
November 2024
Department of Physics and Astronomy, Ghent University, Belgium (R.V.d.A., N.C., A.S.B., B.V., S.L., K.D., A.O., T.N., S.H., N.V.).
Article Synopsis
- Macroreentry is the main cause of typical and atypical flutter, but many questions about it remain unanswered, prompting a study that uses topology to investigate atrial tachycardia activation patterns.
- Researchers utilized a computational model resembling a closed sphere with holes to analyze cases of tachycardia, focusing on activation maps and ablation responses in 131 clinical cases.
- The study's findings suggest that reentrant activity on closed surfaces consistently shows paired rotation, and through mathematical principles, they established a framework to better understand flutter and its treatment outcomes.
Bioinformatic identification of monkeypox virus phylogenetic gene trees that are representative of its whole-genome phylogenetic tree.
Virus Genes
December 2024
Department of Natural and Environmental Sciences, Biomedical Science Concentration, American University of Nigeria, 98 Lamido Zubairu Way, PMB 2250, Yola, Adamawa State, Nigeria.
Phylogenetic analysis based on whole-genome sequences is the gold standard for monkeypox virus (MPXV) phylogeny. However, genomic epidemiology capability and capacity are lacking or limited in resource poor countries of sub-Saharan Africa. Therefore, these make real-time genome surveillance of MPXV virtually impossible.
View Article and Find Full Text PDFFundamental Limits for Realizing Quantum Processes in Spacetime.
Phys Rev Lett
August 2024
Institute for Theoretical Physics, ETH Zurich, 8093 Zürich, Switzerland.
Understanding the interface between quantum and relativistic theories is crucial for fundamental and practical advances, especially given that key physical concepts such as causality take different forms in these theories. Bell's no-go theorem reveals limits on classical processes, arising from relativistic causality principles. Considering whether similar fundamental limits exist on quantum processes, we derive no-go theorems for quantum experiments realizable in classical background spacetimes.
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