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