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arxiv: 1407.4127 · v1 · pith:7JO5YNWDnew · submitted 2014-07-15 · ❄️ cond-mat.quant-gas · cond-mat.stat-mech· quant-ph

Comment on "Consistent thermostatistics forbids negative absolute temperatures"

Ulrich Schneider , Stephan Mandt , Akos Rapp , Simon Braun , Hendrik Weimer , Immanuel Bloch , Achim Rosch This is my paper
classification ❄️ cond-mat.quant-gas cond-mat.stat-mechquant-ph
keywords consistentabsolutecommentnegativetemperaturesargueboundedconcept
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In this comment we argue that negative absolute temperatures are a well-established concept for systems with bounded spectra. They are not only consistent with thermodynamics, but are even unavoidable for a consistent description of the thermal equilibrium of inverted populations.

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  1. Fluctuation relations and strong inequalities for thermally isolated systems

    cond-mat.stat-mech 2019-07 unverdicted novelty 7.0

    Derives ⟨exp(−βX)⟩ = 1 for adiabatic processes to obtain inequalities for the strong thermodynamic bound W ≥ ΔE_S, with classical and quantum versions.