ArticleScientific reports2019
Heat capacities of thermally manipulated mechanical oscillator at strong coupling.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- A Pedagogical Reinforcement of the Ideal (Hard Sphere) Gas Using a Lattice Model: From Quantized Volume to Mechanical Equilibrium.Entropy (Basel, Switzerland) · 2025Article
- Rayleigh-Schrödinger Perturbation Theory and Nonadditive Thermodynamics.The journal of physical chemistry. B · 2023Article
- High-precision multiparameter estimation of mechanical force by quantum optomechanics.Scientific reports · 2022Article
- Statistical Mechanics at Strong Coupling: A Bridge between Landsberg's Energy Levels and Hill's Nanothermodynamics.Nanomaterials (Basel, Switzerland) · 2020Article
- Strong Coupling and Nonextensive Thermodynamics.Entropy (Basel, Switzerland) · 2020Article
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Authors and funding
3 authors.
Funding
Abstract
Coherent quantum oscillators are basic physical systems both in quantum statistical physics and quantum thermodynamics. Their realizations in lab often involve solid-state devices sensitive to changes in ambient temperature. We represent states of the solid-state optomechanical oscillator with temperature-dependent frequency by equivalent states of the mechanical oscillator with temperature-dependent energy levels. We interpret the temperature dependence as a consequence of strong coupling between the oscillator and the heat bath. We explore parameter regimes corresponding to anomalous behavior of mechanical and thermodynamic characteristics as a consequence of the strong coupling: (i) The localization and the purification induced by heating, and (ii) the negativity of two generalized heat capacities. The capacities can be used to witness non-linearity in the temperature dependency of the energy levels. Our phenomenological experimentally-oriented approach can stimulate development of new optomechanical and thermomechanical experiments exploring basic concepts of strong coupling thermodynamics.
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