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Magnetic monopoles

Entropy lost

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Low-temperature experiments on spin ice indicate that entropy plateaus at a value close to that estimated for water ice — a result at odds with the third law of thermodynamics. New measurements below 500 mK are consistent with the idea that spin ice finds a way to lose this residual entropy.

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Change history

  • 16 May 2013

    In the News and Views 'Entropy lost' originally published online, the surname of the first author of ref. 2 was misspelt in some places, it should have read Pomaranski. Corrected in all versions.


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Correspondence to Nic Shannon.

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Shannon, N. Entropy lost. Nature Phys 9, 326–327 (2013).

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