Vibronic collapse of ordered quadrupolar ice in the pyrochore magnet Tb${}_{2+x}$Ti${}_{2-x}$O${}_{7+y}$

Yann Alexanian, Julien Robert, Virginie Simonet +8

While the spin liquid state in the frustrated pyrochlore Tb${}_{2+x}$Ti${}_{2-x}$O${}_{7+y}$ has been studied both experimentally and theoretically for more than two decades, no definite…