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Unified Variational Approach Description of Ground-State Phases of the Two-Dimensional Electron Gas.
Phys Rev Lett
December 2024
Flatiron Institute, Center for Computational Quantum Physics, New York, New York 10010, USA.
The two-dimensional electron gas (2DEG) is a fundamental model, which is drawing increasing interest because of recent advances in experimental and theoretical studies of 2D materials. Current understanding of the ground state of the 2DEG relies on quantum Monte Carlo calculations, based on variational comparisons of different Ansätze for different phases. We use a single variational ansatz, a general backflow-type wave function using a message-passing neural quantum state architecture, for a unified description across the entire density range.
View Article and Find Full Text PDFFerromagnetic Semimetal and Charge-Density Wave Phases of Interacting Electrons in a Honeycomb Moiré Potential.
Phys Rev Lett
December 2024
Flatiron Institute, Center for Computational Quantum Physics, New York, New York 10010, USA.
The exploration of quantum phases in moiré systems has drawn intense experimental and theoretical efforts. The realization of honeycomb symmetry has been a recent focus. The combination of strong interaction and honeycomb symmetry can lead to exotic electronic states such as fractional Chern insulator, unconventional superconductor, and quantum spin liquid.
View Article and Find Full Text PDFTeaching healthy lifestyle behaviors based on philosophical thinking to preschool children: a randomized controlled trial.
BMC Public Health
January 2025
Research Center for Health Sciences, Institute of Health, Department of Gerontology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: The promotion of a healthy lifestyle among preschool children is essential for establishing their future habits. Evidence indicates that the incorporation of philosophical thinking-encompassing critical, creative, and compassionate thought-can significantly contribute to children's cognitive and moral growth, thereby positively affecting their health-related decisions. This research evaluated the effects of imparting healthy lifestyle practices through philosophical thinking to preschool children.
View Article and Find Full Text PDFA conceptual framework for the ethical analysis of moral conflicts in migrant live-in care.
Front Psychiatry
January 2025
Division for Ethics in Medicine, Department for Health Services Research, School VI - Medicine and Health Sciences, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany.
In many industrialized countries, hiring a migrant live-in carer represents a promising solution to support families caring for an older person at home and to avoid institutionalization. Migrant live-in carers live in the household of the person in need of care and provide extensive care and social support. They usually come from geographic areas such as Eastern Europe or Southeast Asia.
View Article and Find Full Text PDFApplying Rawls' Theory of Public Reason to Controversies over Parental Surrogacy.
Camb Q Healthc Ethics
January 2025
Parental surrogacy remains a highly controversial issue in contemporary ethics with considerable variation in the legal approaches of different jurisdictions. Finding a societal consensus on the issue remains highly elusive. John Rawls' theory of public reason, first developed in his (1971), offers a unifying model of political discourse and engagement that enables reasonable citizens to accept policies that they do not necessarily support at a personal level.
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