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As explained here, IBM provided the possibility to reset a qubit to the ground state within the Qiskit framework.

However it is not clear whether this tool is available for any backend or it works only on simulators.

Can I reset a real qubit on Qiskit?

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Yes, as pointed out by this tutorial here: Mid-Circuit Measurements Tutorial

In particular they showed an example of single qubit reset on ibmq_manhattan

enter image description here

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As @KAJ226 said in his answer, some of IBM quantum systems support Reset operation.

You can check whether some backend supports Reset as follows:

config = backend.configuration()
print('reset' in config.supported_instructions)

And to get a list of all the backends that support Reset:

provider = IBMQ.get_provider(hub = 'ibm-q')

backends_support_reset = provider.backends(filters = lambda x: not x.configuration().simulator
    and 'reset' in x.configuration().supported_instructions)

print(backends_support_reset)
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  • $\begingroup$ May you share the current state of such a list? Because at the moment I have no access to processors with more than 7 qubits. I applied for more computational resource but in the waiting it would be helpful to know if this is gonna block my schedule. $\endgroup$ Apr 29 at 17:36
  • $\begingroup$ I have no access to processors with more than 5 qubits. You ask this question on Qiskit's Slack channel. $\endgroup$ Apr 29 at 21:10

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