M.B. Ketchen, S.B. Kaplan, et al.
IEEE Transactions on Magnetics
We have measured the magnetic hysteresis of thin-film superconducting gradiometers. The fractional hysteresis error h was found to be about 10 -9-10-11 in several devices.
M.B. Ketchen, S.B. Kaplan, et al.
IEEE Transactions on Magnetics
D. Grischkowsky, R. Sprik, et al.
CLEO 1987
R.B. Laibowitz, J.Z. Sun, et al.
Applied Physics Letters
C.-T. Chen, C.C. Tsuei, et al.
Nature Physics