Quasineutrality is a fundamental principle in plasma physics stating that the overall charge density in a plasma is approximately zero, as the densities of positive and negative charges nearly balance each other. This condition is crucial for simplifying the mathematical treatment of plasmas and is essential for understanding their collective behavior and stability.

Quasineutrality

Plasma physics is the study of charged particles and fluids interacting with self-consistent electric and magnetic fields, which is fundamental to understanding both natural and artificial plasma phenomena. It has applications ranging from astrophysical processes and space weather to controlled nuclear fusion and industrial technologies.

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