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Suppose I have 2 quantum machines: The first is 2 qubits machine and the second is 4 qubits. Is there a way to parallelize these machines and get a result as if I had 6 quibts machine? Is there a formula to create from several quantum machine another quantum machine that is "stronger" (based on more qubits than each of the separated quantum machines)?

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If you network them together, they can send qubits to each other and thereby act like a combined computer.

For example, in "Loophole-free Bell inequality violation with superconducting circuits", two superconducting chips were sending qubits to each other through a waveguide in a cryogenic pipe:

enter image description here

This link had a ~20% error rate, so your combined quantum computer would be very bad, but it shows the idea.

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  • $\begingroup$ Is there a way to make them running in parallel way and combine their results? $\endgroup$
    – Avi
    Feb 25 at 21:14
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    $\begingroup$ @Avi Why wouldn't there be. They can both apply operations to the qubits they have, and they can share qubits back and forth. $\endgroup$ Feb 25 at 21:46

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