The originator of this theory, K. Wilson, summarized the phenomenology of liquid-gas criticality by reference to water and steam in an introductory paragraph as follows [6]: It is the symmetry of the ...

Abstract: A generalized dispersion equation is derived featuring coupled mode theory, parity-time symmetry, and leaky wave antennas of arbitrary periodic modulation. It can be specialized to each of ...

Hyperbola and truncus functions ... also known as the solutions or roots of the equation. The \(y\)-intercept: the point where the graph crosses the \(y\)-axis The \(x\)-axis corresponds to the ...