2024-02-18 16:25:07基础科学
创新技术揭示了跳跃的原子能记住它们曾经去过的地方

University of Oxford researchers have used a new technique to measure the movement of charged particles (ions) on the fastest ever timescale, revealing new insights into fundamental transport processes. These include the first demonstration that the flow

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2024-02-18 16:25:04基础科学
揭示有机半导体中电子如何屏蔽导电杀手的物理原理

California's Silicon Valley and Utah's Silicon Slopes are named for the element most associated with semiconductors, the backbone of the computer revolution. Anything computerized or electronic depends on semiconductors, a substance with properties that

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2024-02-18 16:25:03基础科学
一种新的测温方法揭示了压缩气体可能导致冷却

An international research team from Innsbruck and Geneva has developed a new thermometry method to measure temperatures for low-dimensional quantum gases. With this method it was found that compressing a gas may lead to cooling. The results on this counte

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2024-02-18 16:25:00基础科学
原子量子计算机的新纪录:1000个原子量子位及其崛起

Making quantum systems more scalable is one of the key requirements for the further development of quantum computers because the advantages they offer become increasingly evident as the systems are scaled up. Researchers at TU Darmstadt have recently take

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2024-02-18 16:24:56基础科学
交变磁性实验证明

Ferromagnetism and antiferromagnetism have long been known to scientists as two classes of magnetic order of materials. Back in 2019, researchers at Johannes Gutenberg University Mainz (JGU) postulated a third class of magnetism, called altermagnetism. Th

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2024-02-18 16:24:54基础科学
新的原子核可以帮助我们理解地球和宇宙中的基础科学

In creating five new isotopes, an international research team working at the Facility for Rare Isotope Beams (FRIB) at Michigan State University has brought the stars closer to Earth.

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2024-02-18 16:24:51基础科学
量子计算机的一种新设计

Creating a quantum computer powerful enough to tackle problems we cannot solve with current computers remains a big challenge for quantum physicists. A well-functioning quantum simulator—a specific type of quantum computer—could lead to new discoveries ab

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2024-02-18 16:24:48基础科学
像Matryoshka娃娃一样的明星:gravastars的新理论

The interior of black holes remains a conundrum for science. In 1916, German physicist Karl Schwarzschild outlined a solution to Albert Einstein's equations of general relativity, in which the center of a black hole consists of a so-called singularity, a

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2024-02-18 16:24:46基础科学
科学家报告首次观察电子在液态水中实时移动

In an experiment akin to stop-motion photography, scientists have isolated the energetic movement of an electron while "freezing" the motion of the much larger atom it orbits in a sample of liquid water.

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2024-02-18 16:24:44基础科学
研究人员开发了一种新的集成技术,用于III-V族和硅的有效耦合

Researchers at the Hong Kong University of Science and Technology (HKUST) have developed a new integration technique for efficient integration of III-V compound semiconductor devices and silicon, paving the way for photonic integration at low cost, large

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2024-02-18 16:24:39基础科学
声学发明增强超声波进入封闭金属空间

The inside of underwater pipes and enclosed nuclear containers were inaccessible—until recently. Acoustics researchers in Penn State's College of Engineering have developed a way to convey energy and transmit communications through metal walls using ultr

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2024-02-18 16:24:37基础科学
研究发现旋转超流体的量子态可以通过三种方式放电

According to a recent study from the University of Helsinki, published in the journal Physical Review Letters, a vortex of a superfluid that has been quantized four times has three ways of dividing, depending on the temperature.

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