Thermo- and gas-dynamical processes in NPPs after accidents

TL;DR

This paper discusses a theoretical example of a zeroth-order phase transition, a concept in superfluidity and superconductivity, illustrating a unique thermodynamic process in nuclear power plant accidents.

Contribution

It provides an exactly solvable model demonstrating the occurrence of a zeroth-order phase transition in superfluid and superconducting systems.

Findings

Identification of a zeroth-order phase transition in a solvable model

Illustration of thermodynamic processes in nuclear power plant accidents

Theoretical insight into superfluidity and superconductivity phenomena

Abstract

In the theory of superfluidity and superconductivity, a jump of the free energy was discovered theoretically and was naturally called a {\it zeroth-order phase transition}. We present an example of an exactly solvable problem in which such a phase transition occurs.