Shubnikov-de Haas oscillations in YBa_2Cu_4O_8

A. F. Bangura, J. D. Fletcher, A. Carrington +10

We report the observation of Shubnikov-de Haas oscillations in the underdoped cuprate superconductor YBa${}_2$Cu${}_4$O${}_8$ (Y124). For field aligned along the c-axis, the frequency of…