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Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts to both answer philosophical questions about the nature of the universe and provide solutions to technological problems.
Coexisting ferroelectricity and Chern insulators have been achieved using a doubly aligned magic-angle twisted bilayer graphene device. This device enables selective switching of topologically protected edge states and quasi-continuous ferroelectric levels that can support noise-immune neuromorphic computing applications.
A metallic line defect in a layer of molybdenum disulfide can serve as an atomically narrow gate electrode demonstrating how to further miniaturize two-dimensional field effect transistors.
Patches of turbulence in straight pipe flow (‘puffs’) display collective dynamics that is not well understood. Now, this dynamics is shown to harbour a phase transition of the directed percolation type, displaying jamming at high puff density.
Contagion dynamics in higher-order networks have witnessed a surge of research and concepts, offering new insights but also exposing many diverse functional forms of spread. This Review provides a focused overview and proposes a unified formalism covering most of these forms.
The bulk photovoltaic effect holds promise for various optoelectronic applications, but it is usually restricted to non-centrosymmetric materials operating in the visible range. Here, the authors report a surface photogalvanic effect spanning from visible to midinfrared wavelengths in a centrosymmetric topological insulator, Ag2Te.
The generation of attosecond pulses has opened the door to probing electron dynamics at sub-atomic scales. Beyond atomic physics, this field is envisioned to also have a decisive impact on condensed-matter physics, chemistry and biology.
Coexisting ferroelectricity and Chern insulators have been achieved using a doubly aligned magic-angle twisted bilayer graphene device. This device enables selective switching of topologically protected edge states and quasi-continuous ferroelectric levels that can support noise-immune neuromorphic computing applications.
A metallic line defect in a layer of molybdenum disulfide can serve as an atomically narrow gate electrode demonstrating how to further miniaturize two-dimensional field effect transistors.
Patches of turbulence in straight pipe flow (‘puffs’) display collective dynamics that is not well understood. Now, this dynamics is shown to harbour a phase transition of the directed percolation type, displaying jamming at high puff density.