Скачать или смотреть Magnetic Engineered Quantum Systems for Sensing & Fundamental Studies | Jason Twamley | Keynote Talk

Many types of quantum systems use mechanical degrees of freedom – and to achieve low decoherence rates researchers have developed several ways to levitate quantum systems using either optical forces (optical tweezers) or electro-dynamic forces (ion traps).
We have proposed and developed an alternate route using magnetic levitation – which uses no active power and can support macroscopic objects. We discuss some research relating to magnetic trapping and cooling or macroscopic objects, both theory and experiment; and a novel scheme to achieve a sensing precision that scales better than the quantum Heisenberg limit – a general method useful for extreme metrology.

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