因斯布鲁克大学的研究团队发现了一种新型量子态——分数费米海，这是一种高度激发但仍保持隐藏有序性的物质状态。1 研究人员通过重复改变超冷铯原子之间的吸引或排斥强度，将其推入这一异常状态。1 这项发现由团队负责人汉斯-克里斯托夫·内格尔领导，与法国理论物理学家阿尔维塞·巴斯蒂亚内罗合作完成，相关研究成果已于2026年10月18日发表在《物理评论快报》第136卷第23期上。1
分数费米海包含费德尔振荡等独特的数学模式，表明存在新型准粒子的可能性。1 研究人员建议将这种新的准粒子称为"超费米子"。1 理论研究已正式发表，而配套的实验实现研究目前正在同行评审中。1
Researchers at the University of Innsbruck have discovered an exotic quantum state known as a fractional Fermi sea, in which ultracold cesium atoms are pushed out of their normal state under extreme conditions while maintaining hidden order 1. The fractional Fermi sea is a highly excited state that preserves underlying organizational patterns and exhibits characteristic features such as Fedel oscillations 1. This discovery, led by Zeng Yi and team head Hans-Christoph Nägerl, resulted from systematically varying the strength of attractive or repulsive interactions between the ultracold atoms 1.
The findings, published on October 18, 2026, in Physical Review Letters volume 136, issue 23, were developed through collaboration with French theoretical physicist Alvise Bastianello 1. The research team proposes naming the new quasiparticles associated with this state "super-fermions," suggesting the existence of previously unknown excitations within the system 1. While the theoretical study has been published, the corresponding experimental realization research is currently undergoing peer review 1.
评论
还没有评论，欢迎留下第一条。