IBM Quantum Demonstrates Error Mitigation Technique

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IBM Research has developed Spacetime Probabilistic Error Cancellation (Spacetime PEC), a hybrid framework for quantum computing error handling. This method integrates existing techniques and can reduce sampling overhead significantly compared to standard methods.

Key facts

• IBM Research has introduced Spacetime Probabilistic Error Cancellation (Spacetime PEC).
• Spacetime PEC is a hybrid framework for quantum computing error handling.
• The method reportedly reduces sampling overhead by up to 63 times compared to standard techniques.
• The framework was experimentally validated on IBM's 27-qubit heavy-hex superconducting processor.