No, quantum computing itself does not prove the existence of the multiverse. Quantum computing is a field of study that explores the principles of quantum mechanics to develop powerful computational systems. It leverages the properties of quantum bits (qubits) to perform complex calculations more efficiently than classical computers in certain cases.
The concept of the multiverse, on the other hand, is a hypothesis in theoretical physics that suggests the existence of multiple universes, each with its own set of physical laws and properties. The idea stems from various interpretations of quantum mechanics, such as the many-worlds interpretation, which posits that every quantum event spawns multiple universes representing different outcomes.
While quantum mechanics and the concept of the multiverse are both fascinating areas of research, they are distinct and separate. Quantum computing, as a technological advancement, does not provide direct evidence or proof of the multiverse. The existence or non-existence of the multiverse is a topic of ongoing scientific debate and exploration, and it requires more empirical evidence and theoretical developments to be definitively addressed.