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On January 12, 2022, the internationally renowned journal "Nature" published our school's research paper entitled "Signatures of a strange metal in a bosonic system", which is the first in high-temperature superconductors.
Discovery and confirmation of boson exotic metals
.
This work was mainly completed by the team of Academician Li Yanrong from the State Key Laboratory of Electronic Thin Films and Integrated Devices in our school.
Chandra M.
Varma, an internationally renowned theoretical physicist and academician of the National Academy of Sciences, published a special review article, and spoke highly of the discovery of boson strange metals as a major breakthrough in the field of condensed matter physics
.
Nature reviewers commented that this work is a transformative and transformative achievement that leads the development of quantum theory
Strange metal states near the quantum metal-insulator quantum phase transition point in YBCO nanomesh films (a) transport characteristic curve, (b) linear magnetoresistance curve, (c) Hall resistance Rxy versus temperature curve, (d) ) Boson Strange Metal Phase Diagram
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 group of Academician Li Yanrong and Professor Xiong Jie of our school, together with Professor James M.
Valles Jr of Brown University, Academician Xie Xincheng and Professor Wang Jian of Peking University, Researcher Liu Haiwen of Beijing Normal University, Sichuan University and other collaborators have successfully broken through the key problems.
The confinement of the fermion system, for the first time, induces strange metallic states in the boson system
.
The research team achieved cross-scale regulation of physical properties such as boson coherence and dissipation energy by precisely constructing nano-mesh arrays in high-temperature superconducting yttrium barium copper oxide (YBCO) thin films.
