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Under the support of the National Natural Science Foundation of China (Grant No.
51722204, 51972041), the team of Academician Li Yanrong from the University of Electronic Science and Technology of China and his collaborators have made progress in the field of high-temperature superconducting quantum phase transition, and discovered and confirmed the boson strange metal
.
The research results are titled "Signatures of a strange metal in a bosonic system" and will be published online in the journal Nature on January 12, 2022
There are two basic particles in the universe, fermions and bosons
.
Among them, the development of the electronic industry and devices that human society currently depends on is almost entirely based on the fermion system.
The research team successfully broke through the limitation of the fermion system and induced strange metal states in the boson system for the first time
.
Through the precise construction of nanomesh arrays in high-temperature superconducting yttrium barium copper oxide (YBCO) thin films, the cross-scale regulation of physical properties such as boson coherence and dissipation energy has been realized.
This discovery has laid an important scientific foundation for understanding the physical laws of strange metals in condensed matter physics, revealing the universality of strange metals, and improving the quantum phase transition theory.
