Question 3 Consider the dispersion relation e(kx) = -2t cos(ka), where t is a constant. Find the group velocity wg. Find
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Question 3 Consider the dispersion relation e(kx) = -2t cos(ka), where t is a constant. Find the group velocity wg. Find
Question 3 Consider the dispersion relation e(kx) = -2t cos(ka), where t is a constant. Find the group velocity wg. Find the density of states ple).
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