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This breakthrough validates a physical realization of cyclic thermodynamics within superconducting circuits, directly advancing the foundational physics required for scalable high-qubit quantum computers. By demonstrating energy conversion using transmon qubits and an Otto cycle near absolute zero, researchers have moved beyond theoretical models to prove concepts essential for future quantum hardware architecture.
Aalto Researchers Build First Superconducting Heat Engine

Aalto University researchers demonstrated the first cyclic quantum heat engine, built within a superconducting circuit.
Aalto University researchers have built the world’s first superconducting quantum heat engine, a device comprised of a transmon qubit, a resonator and a quantum refrigerator, demonstrating a physical realization rather than a theoretical model. The newly developed engine advances understanding of thermodynamics and could enable technologies crucial for building high-qubit quantum computers, similar to the impact James Watt’s steam engine had on…
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