  Adiabatic processes can keep the quantum system in its instantaneous
eigenstate, which is robust to noises and dissipation. However, it is limited
by sufficiently slow evolution. Here, we experimentally demonstrate the
transitionless quantum driving (TLQD) of the shortcuts to adiabaticity in
gate-defined semiconductor quantum dots (QDs) to greatly accelerate the
conventional adiabatic passage for the first time. For a given efficiency of
quantum state transfer, the acceleration can be more than twofold. The dynamic
properties also prove that the TLQD can guarantee fast and high-fidelity
quantum state transfer. In order to compensate for the diabatic errors caused
by dephasing noises, the modified TLQD is proposed and demonstrated in
experiment by enlarging the width of the counter-diabatic drivings. The
benchmarking shows that the state transfer fidelity of 97.8% can be achieved.
This work will greatly promote researches and applications about quantum
simulations and adiabatic quantum computation based on the gate-defined QDs.
