Author(s): Rudra B. Bista, Yuya Shinohara, Wojciech Dmowski, Chae Woo Ryu, Jung Ho Kim, Mary Upton, Hlynur Gretarsson, Martin Sundermann, and Takeshi Egami
The size of the exchange-correlation hole in beryllium is about 2 Å, but it extends up to about 5 Å at the plasmon excitation energy, demonstrating that electron correlations are affected significantly by electron dynamics.
[Phys. Rev. Lett. 136, 256402] Published Fri Jun 26, 2026