2024-02-18 16:26:17基础科学
原子薄碲化铪是激子绝缘体的证据

The condensation of excitons with non-zero momentum can give rise to so-called charge density waves (CDW). This phenomenon can prompt the transition of materials into a fascinating new quantum phase, known as an excitonic insulator.

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2024-02-18 16:26:14基础科学
研究人员演示了远程超导节点之间的多光子状态转移

Over the past few decades, quantum physicists and engineers have been trying to develop new, reliable quantum communication systems. These systems could ultimately serve as a testbed to evaluate and advance communication protocols.

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2024-02-18 16:26:12基础科学
重塑我们对颗粒系统的理解

Rochester researchers are uncovering the unexpected role of grain shape in the mixing of granular systems such as pharmaceuticals, cereal, and landslides.

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2024-02-18 16:26:09基础科学
测量激子“空穴”:深入了解半导体之间原子薄界面的电荷转移

Semiconductors are ubiquitous in modern technology, working to either enable or prevent the flow of electricity. In order to understand the potential of two-dimensional semiconductors for future computer and photovoltaic technologies, researchers from the

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2024-02-18 16:26:05基础科学
1kHz飞秒激光在空气中成丝产生稳定的强超连续谱光

Supercontinuum (SC) white light (the spectrum stretching from the near ultraviolet to the infrared wavelengths) has advanced ultrafast laser spectroscopy in condensed matter science, biology, physics and chemistry. Compared with the frequently-used photon

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2024-02-18 16:26:02基础科学
空间分辨率接近量子极限的激光制造

Since early demonstrations of femtosecond laser as a three-dimensional (3D) processing tool, microdevices with exciting optical, electronic, mechanical, and magnetic functions have been manufactured, by which novel concepts from 3D quantum photonic integr

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2024-02-18 16:25:59基础科学
科学家发现了一种新的水系统辐射效应模型

What happens when radiation hits water? This is a question that has an impact every time you get an X-ray at the doctor's office, given you are mostly made of water. A team of theoretical physicists at DESY has worked on data taken by colleagues from Arg

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2024-02-18 16:25:57基础科学
用铒制造量子位的新技术

Qubits are the building block for quantum technology, and finding or building qubits that are stable and easily manipulated is one of the central goals of quantum technology research. Scientists have found that an atom of erbium—a rare-earth metal sometim

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2024-02-18 16:25:55基础科学
WSe中的多功能灯光控制₂ 实现

Researchers have successfully manipulated distinct exciton species within a hybrid monolayer WSe2-Ag nanowire structure. By exploiting the unique valley-spin locked band structures and electron-hole configurations of TMDs, the team, led by Professor Hongx

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2024-02-18 16:25:51基础科学
这项技术可以提高量子传感器件的灵敏度

In quantum sensing, atomic-scale quantum systems are used to measure electromagnetic fields, as well as properties like rotation, acceleration, and distance, far more precisely than classical sensors can. The technology could enable devices that image the

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2024-02-18 16:25:48基础科学
物理学家捕捉到了超流体中热量“晃荡”的最初声音,揭示了热量是如何像波浪一样运动的

In most materials, heat prefers to scatter. If left alone, a hotspot will gradually fade as it warms its surroundings. But in rare states of matter, heat can behave as a wave, moving back and forth somewhat like a sound wave that bounces from one end of a

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2024-02-18 16:25:46基础科学
在可见光、微波和红外光谱中几乎无法检测到超材料嵌合体

A multi-institutional team of optoelectronic and materials engineers in China has developed a type of metamaterial that is nearly invisible across visible light, microwave and infrared spectra. In their paper, published in Proceedings of the National Acad

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