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Quantum ground states: Scalable counterdiabatic driving technique enables reliable and rapid preparation - Phys.org

Google News – Quantum Computing
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⚡ Quantum Brief
Researchers have developed a scalable counterdiabatic driving technique to rapidly and reliably prepare quantum ground states, addressing a long-standing challenge in quantum computing and simulation. The method leverages counterdiabatic protocols to suppress unwanted excitations during quantum state transitions, enabling near-perfect fidelity even at high speeds. This breakthrough could accelerate quantum simulations of complex systems. Experimental demonstrations showed the technique works across multiple qubit platforms, including superconducting circuits and trapped ions, proving its versatility for near-term quantum devices. Unlike traditional adiabatic methods, this approach reduces preparation time by orders of magnitude while maintaining high accuracy, critical for error-prone NISQ-era quantum processors. The advance paves the way for practical applications in quantum chemistry, optimization, and material science by providing a robust tool for ground state initialization in scalable quantum systems.
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Source: Google News – Quantum Computing

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