Thermodynamics

Not hotter than hot

A careful revision of the rudiments of statistical physics shows that negative temperatures are artefacts of Boltzmann's approximate definition of entropy. Gibbs' version, however, forbids negative absolute temperatures and is consistent with thermodynamics.

Access options

Rent or Buy article

Get time limited or full article access on ReadCube.

from$8.99

All prices are NET prices.

Figure 1: Gibbs versus Boltzmann.

© INTERFOTO/Alamy

References

  1. 1

    Dunkel, J. & Hilbert, S. Nature Phys. 10, 67–72 (2014).

  2. 2

    Braun, S. et al. Science 339, 52–55 (2013).

  3. 3

    Carr, L. D. Science 339, 42–43 (2013).

  4. 4

    Purcell, E. M. & Pound, R. V. Phys. Rev. 81, 279–280 (1951).

  5. 5

    Ramsey, N. M. Phys. Rev. 103, 20–28 (1956).

Download references

Author information

Affiliations

Authors

Corresponding author

Correspondence to Igor M. Sokolov.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Sokolov, I. Not hotter than hot. Nature Phys 10, 7–8 (2014). https://doi.org/10.1038/nphys2831

Download citation

Further reading