Observation of Dimension-Crossover of a Tunable 1D Dirac Fermion in Topological Semimetal NbSi${}_x$Te${}_2$

Jing Zhang, Yangyang Lv, Xiaolong Feng +11

Condensed matter systems in low dimensions exhibit emergent physics that does not exist in three dimensions. When electrons are confined to one dimension (1D), some significant ele…