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Quantum Mechanics II 7. A Fermi gas is contained in a cube of side length a. With the aid of the Schrödinger equation, argue that the Fermi energy can only depend on mass m, Planck's constant h, and a. Use dimensional analysis to show that the Fermi energy is of the order Ep ~ h^2/3/ma, and therefore Ep ~ h^2/3/m, with the particle number density (the exact proportionality constant cannot be determined within dimensional analysis). If the particles are nucleons with the density of...
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Question Text | Quantum Mechanics II
7. A Fermi gas is contained in a cube of side length a. With the aid of the Schrödinger equation, argue that the Fermi energy can only depend on mass m, Planck's constant h, and a. Use dimensional analysis to show that the Fermi energy is of the order Ep ~ h^2/3/ma, and therefore Ep ~ h^2/3/m, with the particle number density (the exact proportionality constant cannot be determined within dimensional analysis). If the particles are nucleons with the density of...
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Topic | All topics |
Subject | Physics |
Class | Class 12 |