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Consider a system of ? point particles obeying quantum mechanics constrained to move in a two-dimensional...

Consider a system of ? point particles obeying quantum mechanics constrained to move in a two-dimensional plane (1 2-D ideal quantum gas) in a microcanonical ensemble. Find a formula for the entropy ? via Ω, the number of microstates with energy ≤ ? and show that it is an extensive property of the system.

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