The relationship between quantum mechanics and string theory is a topic of ongoing research and debate within the scientific community. While both theories are attempts to understand the fundamental nature of reality, they approach the problem from different perspectives.
Quantum mechanics is a well-established theory that describes the behavior of particles at the microscopic level. It is highly successful in explaining a wide range of phenomena, and its predictions have been extensively confirmed through experiments. However, quantum mechanics does not explicitly incorporate the concept of parallel worlds or multiple versions of ourselves.
On the other hand, string theory is a theoretical framework that seeks to unify all the fundamental forces and particles in the universe. It posits that the fundamental building blocks of nature are tiny, vibrating strings. One of the intriguing features of string theory is that it allows for the possibility of extra dimensions beyond the three spatial dimensions we experience. In some versions of string theory, these extra dimensions could take the form of compact, curled-up dimensions, which might provide a framework for the existence of parallel universes or multiple versions of reality.
However, it is important to note that string theory is still a highly speculative and mathematically complex framework. It has not yet been experimentally confirmed, and there is currently no direct evidence for the existence of parallel worlds or different versions of ourselves that can be attributed to string theory.
If quantum mechanics were proven beyond a doubt, it would be a significant milestone in our understanding of the fundamental nature of reality. However, it would not automatically imply the correctness of string theory or the existence of parallel worlds. The relationship between quantum mechanics, string theory, and the existence of multiple universes is still an active area of research and remains to be fully explored.