Schrödinger's cat, half-alive, half-dead, existing in its sealed box in this dual state, illustrates the counterintuitive role of measurement in quantum mechanics, but also how the preservation of quantum properties, which dominate at atomic scales (even at room temperature), become less familiar and even absurd for large multi-particle objects. Building computer chips that can take advantage of quantum coherence and entanglement to allow improvements in computation and simulation is much like the challenge of trying to build Schrödinger's cat, using components that operate near absolute zero. This talk will review progress toward this endeavor, and the interesting new physics that arises in fighting decoherence in solid-state systems.

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Technische Universität Wien

Universität Wien