Direct measurement of the magneticphoton excitations in the Quantum Spin Ice ...

The Quantum Spin Ice (QSI) state, where the two-in-two-out configurations formed by the Ising variables are allowed to tunnel among themselves, is realised in Pr2Hf2O7 based on...量子自旋冰（Quantum Spin Ice, QSI）态，即由伊辛变量构成的二入二出构型可在彼此间发生量子隧穿的状态，可在基于……的Pr₂Hf₂O₇体系中实现。