State functions/quantities in thermodynamics and heat transfer

Xu, S.Z.; Zhao, Tian; Chen, Qun; Liang, Xin-Gang; Zhang, Guo

doi:10.1016/j.fmre.2021.07.001

Cited by 14 publications

(3 citation statements)

References 24 publications

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“…Some consider entropy to be a wasteful form of energy and therefore treat it as energy of little value [4]. Entropy, on the other hand, is described as a state function related to the number of microstates of a system (the number of possible constitutions, configurations, and conformations in which the system can be arranged) [5]. Qualitatively, entropy is a measure of the possible arrangement of atoms, ions, or molecules and their dispersion or distribution of energy in a substance [6].…”

Section: Introductionmentioning

confidence: 99%

Directionality of Chemical Reaction and Spontaneity of Biological Process in the Context of Entropy

Alzeer¹

2022

RGM

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Chemical and biochemical reactions are carried out either to generate energy or to produce useful macromolecules. Entropy is a well-applied concept in many fields, including physics, chemistry, biology, and medicine. Various perspectives have been used to describe the concept, creating confusion and misconceptions. In chemical and biochemical reactions, entropy plays a significant role in the directionality and spontaneity of the reactions. Potential energy can be used to better understand the concept of entropy. Potential energy represents order, while entropy represents disorder; therefore, they are inversely proportional and intimately linked. Molecules with high potential usually have rich sets of functions and information, which is due to the enrichment of their constitutions, configurations, and conformations. In molecules with low potential, there are greater vibrational, rotational, and translational motions associated with decreased order in their constitution, configuration, and conformation. Distribution of electronic charge changes in macromolecules over time, increasing the rotation of side-chain residues and thus increasing entropy and affecting potential in terms of structure, function, and information. Entropy can thus be defined as a state of spontaneous change, bound to time and constantly increasing, which causes structural changes in the form of constitution, configuration, and conformation, and functional changes in the form of the ability to do work as well as informational changes in the form of the transmission of commands.

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Section: Introductionmentioning

confidence: 99%

Directionality of Chemical Reaction and Spontaneity of Biological Process in the Context of Entropy

Alzeer¹

2022

RGM

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“…As one of the characteristic features that marks the departure of quantum mechanics from the classical realm, the quantum coherence plays a central role in quantum optics [1][2][3], thermodynamics [4][5][6][7][8][9][10][11][12], nanoscale physics [13][14][15][16] and quantum measurements [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

An alternative framework for quantifying coherence of quantum channels

Kong,

Wu,

et al. 2022

Preprint

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We present an alternative framework for quantifying the coherence of quantum channels, which contains three conditions: the faithfulness, nonincreasing under sets of all the incoherent superchannels and the additivity. Based on the characteristics of the coherence of quantum channels and the additivity of independent channels, our framework provides an easier way to certify whether a function is a bona fide coherence measure of quantum channels. Detailed example is given to illustrate the effectiveness and advantages of our framework.

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“…This interest has been fostered by progressive miniaturization of electronic and optical devices, at the level where quantum phenomena cannot be ignored [7]. We, therefore, observe a huge development of the field of quantum thermodynamics, where a wide range of topics is being covered, e.g., thermalization and heat transfer [8][9][10][11], quantum heat engines and refrigerators [12][13][14][15][16][17][18], and quantum batteries [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Thermodynamics of Reduced State of the Field

Cusumano

Rudnicki

2021

Entropy

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Recent years have seen the flourishing of research devoted to quantum effects on mesoscopic and macroscopic scales. In this context, in Entropy 2019, 21, 705, a formalism aiming at describing macroscopic quantum fields, dubbed Reduced State of the Field (RSF), was envisaged. While, in the original work, a proper notion of entropy for macroscopic fields, together with their dynamical equations, was derived, here, we expand thermodynamic analysis of the RSF, discussing the notion of heat, solving dynamical equations in various regimes of interest, and showing the thermodynamic implications of these solutions.

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State functions/quantities in thermodynamics and heat transfer

Cited by 14 publications

References 24 publications

Directionality of Chemical Reaction and Spontaneity of Biological Process in the Context of Entropy

Directionality of Chemical Reaction and Spontaneity of Biological Process in the Context of Entropy

An alternative framework for quantifying coherence of quantum channels

Thermodynamics of Reduced State of the Field

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