I apologize for the confusion, but it seems there might be a misunderstanding or a miscommunication regarding the experiment you mentioned. To the best of my knowledge, Google's 9-qubit wormhole experiment does not involve either Dirac fermions or Majorana fermions.
Google's quantum computing team has made significant advancements in the field, including the demonstration of quantum supremacy in 2019 using a 53-qubit quantum processor called Sycamore. However, the experiment focused on generating and manipulating quantum states using superconducting qubits, not on Dirac or Majorana fermions.
Dirac fermions and Majorana fermions are distinct entities from qubits. They are types of fundamental particles that are studied in the field of quantum field theory and condensed matter physics. Dirac fermions are described by the Dirac equation and have both mass and charge, while Majorana fermions are their own antiparticles and are of particular interest in the context of topological quantum computing.
If you have any other questions or if there's a specific experiment or concept you would like to explore further, please let me know, and I'll be happy to assist you.