people.seas.harvard.edupeople.seas.harvard.edu/~jones/RVJ_papers/Bul_Am_Phys_3.pdf · than the...
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people.seas.harvard.edupeople.seas.harvard.edu/~jones/RVJ_papers/Bul_Am_Phys_3.pdf · than the critical field h , Bpi-n waves at one half the microwave frequency are driven unstable