Sheath physics

Sheath physics studies the behavior of the magnetic and plasma regions surrounding objects like spacecraft or plasma devices. A "sheath" is a thin layer where electric charge accumulates, forming because of interactions between charged particles and surfaces. This region influences how particles flow, how surfaces charge up, and how energy transfers occur. Understanding sheath physics helps optimize spacecraft design, improve plasma processes, and enhance confinement in fusion devices by predicting how these boundary layers behave under different conditions.