We report on the first direct observation of fast spin-exchange coherent oscillations between different long-lived electronic orbitals of ultracold 173Yb fermions. We measure, in a model-independent way, the strength of the exchange interaction driving this coherent process. This observation allows us to retrieve important information on the interorbital collisional properties of 173Yb atoms and paves the way to novel quantum simulations of paradigmatic models of two-orbital quantum magnetism.
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http://dx.doi.org/10.1103/PhysRevLett.113.120402 | DOI Listing |
Aging Ment Health
January 2025
School of Social Work, Simmons University, Boston, MA, USA.
Objectives: Both alcohol use and the prevalence of depression-depressive disorders, among older adults have increased over the past several decades and have been associated with increased morbidity and mortality. To our knowledge, the interactions between retirement, depression, and alcohol use have not yet been examined. This study aims to longitudinally explore the mediating role of alcohol use on the association between retirement and depressive symptoms in the United States, comparing individuals who are retired and not retired, while also exploring individuals who transitioned into and out of retirement at different times.
View Article and Find Full Text PDFL., a medicinal plant renowned for its pharmaceutical alkaloids, has captivated scientific interest due to its rich secondary metabolite profile. This study explores a novel approach to manipulating alkaloid biosynthesis pathways by integrating virus-induced gene silencing (VIGS) with macerozyme enzyme pretreatment.
View Article and Find Full Text PDFAbscission is a tightly regulated process in which plants shed unnecessary, infected, damaged, or aging organs, as well as ripe fruits, through predetermined abscission zones in response to developmental, hormonal, and environmental signals. Despite its importance, the underlying mechanisms remain incompletely understood. This study highlights the deleterious effects of abscission on chloroplast ultrastructure in the cells of the tomato flower pedicel abscission zone, revealing spatiotemporal differential gene expression and key transcriptional networks involved in chloroplast vesiculation during abscission.
View Article and Find Full Text PDFAnn Thorac Surg Short Rep
September 2024
Department of Pediatric Cardiovascular Surgery, Kanazawa Medical University, Ishikawaken, Japan.
Background: The study focuses on vascular compression of the main bronchus in the aortopulmonary space, examining potential contributors within the same axial plane. Its goal is to uncover mechanisms of bronchial compression in patients with intracardiac anomalies and review surgical outcomes, aiming to enhance future results.
Methods: The morphology and topology of structures within the axial plane of the aortopulmonary space were objectively analyzed, including the sternum, ascending aorta, heart, pulmonary artery, descending aorta, and other relevant elements.
Ann Thorac Surg Short Rep
September 2024
Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine, St Louis, Missouri.
Background: Organ procurement organizations coordinate organ donation through 2 distinct models of care: the conventional model, in which donors are managed at hospitals where brain death occurs, and the specialized donor care facility (SDCF) model, where brain dead donors are transferred to a freestanding facility. The aim of this study is to compare operating room efficiency for procurements between the SDCF and conventional models of care.
Methods: We performed a prospective analysis of operating room efficiency between thoracic donor procurement operations performed at a SDCF and other organ procurement organizations using the conventional model of care.
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