Run the quantum teleportation experiment on a real quantum device and describe the results compared to the simulator's

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To run the quantum teleportation experiment on a real quantum device using Qiskit, follow these steps:

Choose a Backend: Select a real quantum device from the IBM Quantum Experience platform. You can use the least_busy function to choose a currently available and least busy device.

Configure Your Qubits: Make sure to configure your qubits for the experiment. Quantum teleportation requires three qubits: the sender's qubit (q0), the entangled pair (q1 and q2), and the receiver's qubit (q3).

Run the Experiment: Construct the quantum teleportation circuit using your chosen qubits. Run the circuit on the real device using the execute function.

Observe Results: After the job is executed, retrieve the results using the result object and analyze the outcomes. Compare the outcomes with the expected results based on the simulator.

In terms of the differences between real device results and simulator results, there are a few key factors to consider:

Noise and Errors: Real quantum devices are subject to noise, errors, and decoherence due to their physical nature. This can lead to deviations between the expected ideal results and the actual outcomes on a real device.

Limited Qubits: Real quantum devices have a limited number of qubits and may have specific connectivity constraints. You might need to adapt your circuit to work within these constraints.

Gate Durations and Timing: Quantum gates on real devices may have different durations and timings compared to ideal simulations, which can impact the execution of the circuit.

Measurement Errors: Measuring qubits can introduce measurement errors that affect the final outcomes.

Execution Time: Execution times on real devices can be longer due to factors such as queueing and calibration.

Keep in mind that when running experiments on real devices, it's common to see some discrepancies between the ideal simulation and the actual results due to the above factors. The comparison between simulator results and real device results can provide valuable insights into the challenges and opportunities of real-world quantum computing.