H. Alfvén refers to Hannes Alfvén, a Swedish physicist known for his groundbreaking work in plasma physics, particularly in the understanding of magnetohydrodynamics (MHD). His contributions are foundational for studying the behavior of plasmas in magnetic fields and have significant implications in fields such as astrophysics and fusion research. Alfvén's insights help to explain phenomena such as plasma oscillations and the stability of plasma in various environments.
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