For a magnetic mirror, the Lenard-Bernstein collision operator gives particle confinement time scaling a*exp(a^2), versus a^2*exp(a^2) for Coulomb collisions, requiring a collision-frequency rescaling in LBO-based codes.
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Enhanced Collisional Losses from a Magnetic Mirror Using the Lenard-Bernstein Collision Operator
For a magnetic mirror, the Lenard-Bernstein collision operator gives particle confinement time scaling a*exp(a^2), versus a^2*exp(a^2) for Coulomb collisions, requiring a collision-frequency rescaling in LBO-based codes.