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Entropy, Volume 26, Issue 2

February 2024 - 79 articles

Cover Story: A fundamental feature underpinning phenomenological thermodynamics is that we accept limited knowledge and lack of control over all degrees of freedom of a system. However, modern quantum thermodynamics, which grows from information theory, requires the opposite. To bridge the two, we propose an intermediate route inspired by gauge theories known from fundamental physics, treating certain information content as the gauge. Consequently, we arrive at different notions of work and heat for quantum systems, consistent with the classical intuition. In particular, we exhibit heat present in closed quantum systems which we associate with energy that cannot be used to perform work due to insufficient control over the system. View this paper
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Articles (79)

  • Article
  • Open Access
1 Citations
1,947 Views
17 Pages

19 February 2024

Latent thermal energy storage (LTES) devices can efficiently store renewable energy in thermal form and guarantee a stable-temperature thermal energy supply. The gravity-driven motion melting (GDMM) process improves the overall melting rate for packa...

  • Article
  • Open Access
1 Citations
1,887 Views
28 Pages

Gas Kinetic Scheme Coupled with High-Speed Modifications for Hypersonic Transition Flow Simulations

  • Chengrui Li,
  • Wenwen Zhao,
  • Hualin Liu,
  • Youtao Xue,
  • Yuxin Yang and
  • Weifang Chen

18 February 2024

The issue of hypersonic boundary layer transition prediction is a critical aerodynamic concern that must be addressed during the aerodynamic design process of high-speed vehicles. In this context, we propose an advanced mesoscopic method that couples...

  • Article
  • Open Access
1,967 Views
29 Pages

17 February 2024

Compound droplets have received increasing attention due to their applications in many several areas, including medicine and materials. Previous works mostly focused on compound droplets on planar surfaces and, as such, the effects of curved walls ha...

  • Article
  • Open Access
3 Citations
2,109 Views
19 Pages

Probability Turns Material: The Boltzmann Equation

  • Lamberto Rondoni and
  • Vincenzo Di Florio

17 February 2024

We review, under a modern light, the conditions that render the Boltzmann equation applicable. These are conditions that permit probability to behave like mass, thereby possessing clear and concrete content, whereas generally, this is not the case. B...

  • Article
  • Open Access
3 Citations
3,890 Views
23 Pages

16 February 2024

The epistemic arrow of time is the fact that our knowledge of the past seems to be both of a different kind and more detailed than our knowledge of the future. Just like with the other arrows of time, it has often been speculated that the epistemic a...

  • Article
  • Open Access
3 Citations
3,071 Views
29 Pages

15 February 2024

The new logic of partitions is dual to the usual Boolean logic of subsets (usually presented only in the special case of the logic of propositions) in the sense that partitions and subsets are category-theoretic duals. The new information measure of...

  • Article
  • Open Access
1 Citations
1,472 Views
27 Pages

15 February 2024

The novel circumstance-driven bivariate integer-valued autoregressive (CuBINAR) model for non-stationary count time series is proposed. The non-stationarity of the bivariate count process is defined by a joint categorical sequence, which expresses th...

  • Feature Paper
  • Article
  • Open Access
7 Citations
1,471 Views
17 Pages

15 February 2024

We investigate the effects of boost invariance breaking on the isotropization of pressure in the glasma, using a 3+1D glasma simulation. The breaking is attributed to spatial fluctuations in the classical color charge density along the collision axis...

  • Article
  • Open Access
1 Citations
1,961 Views
16 Pages

A Robust Method for the Unsupervised Scoring of Immunohistochemical Staining

  • Iván Durán-Díaz,
  • Auxiliadora Sarmiento,
  • Irene Fondón,
  • Clément Bodineau,
  • Mercedes Tomé and
  • Raúl V. Durán

15 February 2024

Immunohistochemistry is a powerful technique that is widely used in biomedical research and clinics; it allows one to determine the expression levels of some proteins of interest in tissue samples using color intensity due to the expression of biomar...

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Entropy - ISSN 1099-4300Creative Common CC BY license