In complex physical systems, the interaction of internal elements is unavoidable, rendering entropy calculation a computationally demanding, and often impractical, task.

In complex physical systems, the interaction of internal elements is unavoidable, rendering entropy calculation a computationally demanding, and often impractical, task.

Wordle players experience this process intuitively, but information scientists can quantify informational entropy to precisely calculate the bandwidth needed to transmit a given signal, how ...

In other words, systems made up of interacting subsystems have a higher floor for entropy production than a single, uniform system.

This has some pretty bizarre consequences. If you could maximize the entropy in the system, temperature becomes discontinuous—it jumps from positive to negative infinity.

In particular, the authors have shown that any single point in an extended quantum system that is far from equilibrium actually has entropy that increases in time, exactly as in thermodynamics.

“A high school student used our concept to calculate the entropy of a complex physical system: the XY model,” says Professor Roy Beck. “Although this is considered a challenging problem with ...