Field induced phase diagram of the XY pyrochlore antiferromagnet Er${}_2$Ti${}_2$O${}_7$

E. Lhotel, J. Robert, E. Ressouche +9

We explore the field-temperature phase diagram of the XY pyrochlore antiferromagnet Er${}_2$Ti${}_2$O${}_7$, by means of magnetization and neutron diffraction experiments. Depending on t…