The equations describing short wavelength ballooning modes in a Tokamak are derived by retaining hot species finite Larmor radius effects and permitting the response of the hot populations to be evaluated for frequencies on the order of and below the hot particle magnetic drift frequency. The derivation relies on the high beta Tokamak ordering of a general system of equations that has been derived to investigate the role of the hot species in tandem mirrors and bumpy tori. Bounce averaging of the background ion species is shown to be unnecessary.
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