Physics:Quantum matter/thermodynamic system
A thermodynamic system is a defined portion of matter chosen for analysis of energy, temperature, and interactions with its surroundings.
Description
A thermodynamic system is defined by boundaries that separate it from its environment. Depending on the situation, the system may exchange energy, matter, or both with its surroundings.
The behavior of a system is described by variables such as temperature, energy, and density.
Properties
- defined by boundaries
- may exchange energy and/or matter
- characterized by macroscopic variables
Description
thermodynamic system is a matter-scale concept used to organize how quantum theory describes atoms, particles, fields, condensed matter, plasma, or spacetime-related systems. In the Quantum Collection it is placed by scale so the reader can move from materials and molecules down to subatomic degrees of freedom.
Quantum context
At this scale, the relevant behavior is controlled by quantized states, interactions, conservation laws, and the way excitations or particles are observed. The concept is normally linked to measurable properties such as energy, momentum, charge, spin, spectra, scattering rates, or collective modes.
Role in the collection
This page provides a compact reference point for related pages in Book II. It should be read together with nearby matter-scale topics and the corresponding foundations in quantum mechanics.[1]
See also
Table of contents (84 articles)
Index
Full contents
References
Source attribution: Physics:Quantum matter/thermodynamic system
