Directly Measuring a Multiparticle Quantum Wave Function via Quantum Teleportation
Directly Measuring a Multiparticle Quantum Wave Function via Quantum Teleportation
We propose a new method to directly measure a general multiparticle quantum wave function, a single matrix element in a multi-particle density matrix, by quantum teleportation. The density matrix element is embedded in a virtual logical qubit and is nondestructively teleported to a single physical qubit for readout. We experimentally …