chemistrypoint

Chemistry Point

10 Months ago

How sensitive can a quantum detector be? A new device measures the tiniest energies in superconducting circuits, an essential step for quantum technology

Measuring the energy of quantum states requires detecting energy changes so exceptionally small they are hard to pick out from background fluctuations, like using only a thermometer to try and work out if someone has blown out a candle in the room you're in. New research presents sensitive quantum thermometry hitting the bounds that nature allows.

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