  Neutron-scattering experiments were performed to study the magnetic field
effect on the electron-doped cuprate superconductor Nd_{1.86}Ce_{0.14}CuO_4,
which shows the coexistence of magnetic order and superconductivity. The (1/2
3/2 0) magnetic Bragg intensity, which mainly originates from the order of both
the Cu and Nd moments at low temperatures, shows no magnetic field dependence
when the field is applied perpendicular to the CuO_{2} plane up to 10 T above
the upper critical field. This result is significantly different from that
reported for the hole-doped cuprate superconductors, in which the quasi-static
magnetic order is noticeably enhanced under a magnetic field.
