Researchers have captured the first direct, momentum-resolved evidence that certain lattice vibrations carry measurable ...

Electron and phonon are two fundamental particles (quasi-particles) of condensed matter and their interplay in single crystals can create many interesting physical phenomena, such as polariton, charge ...

Yue-Hui Li, Rui-Shi Qi, Ruo-Chen Shi, Jian-Nan Hu, Zhe-Tong Liu, Yuan-Wei Sun, Ming-Qiang Li, Ning Li, Can-Li Song, Lai Wang, Zhi-Biao Hao, Yi Luo, Qi-Kun Xue, Xu-Cun Ma, Peng Gao Proceedings of the ...

This makes phonon-polaritons ideal for high-tech applications like sub-wavelength imaging, molecular sensors, and heat management within electronics. However, research on phonon-polariton waves has ...

Gao Peng's research group at the International Center for Quantum Materials, School of Physics, Peking University, has developed a breakthrough method for visualizing interfacial phonon transport with ...

The Deep Potential Model paired with Raman spectroscopy show unexpected findings when a highly symmetric material is bent in a zigzag pattern.