Preparing valence-bond-solid states on noisy intermediate-scale quantum computers
Preparing valence-bond-solid states on noisy intermediate-scale quantum computers
Quantum state preparation is a key step in all digital quantum simulation algorithms. Here we propose methods to initialize on a gate-based quantum computer a general class of quantum spin wave functions, the so-called Valence-Bond-Solid (VBS) states, that are important for two reasons. First, VBS states are the exact ground …