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About the Physics Q&A category
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2
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557
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February 8, 2021
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Debye model Exercise 3
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1
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60
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March 25, 2026
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Interpretation vibrational energy states Debye model
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1
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57
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March 22, 2026
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Interpretation bosonic modes Einstein solid
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4
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40
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March 21, 2026
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Why does the density of states of a semiconductor show no asymptotic behaviour compared to other bands?
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3
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188
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May 20, 2025
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Basis in different types of unit cels
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3
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62
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May 18, 2025
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Question about prim lat vectors
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7
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90
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May 8, 2025
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LCAO and electrons
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1
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77
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May 7, 2025
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Lecture 7: Tight binding: Density of states
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4
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87
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April 29, 2025
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What is the 'deviation' we use to model in Debye's theory and what do the excitations represent?
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1
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100
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April 24, 2025
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Debye model 4.3: Why not take the upper integral boudary to infinity?
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3
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141
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March 31, 2025
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Bose-Einstein (BE) distribution and Einstein solid
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2
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95
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March 26, 2025
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Why do we not consider three polarisations in one- and two-dimensional solids?
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1
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105
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March 20, 2025
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Does Debye model have free fitting parameters?
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1
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71
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March 20, 2025
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Questions about structure factor and diffraction patterns
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11
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158
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March 14, 2026
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Density of states in higher dimensions
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5
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109
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March 14, 2026
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Density of states
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6
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95
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March 14, 2026
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Band structure in 2d
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5
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88
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March 14, 2026
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Question about the signs of effective mass and group velocity
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6
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84
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March 14, 2026
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Derivation of NFEM - Integral limits in inner product for W
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5
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69
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March 14, 2026
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Crystal stucture, line on miller indices
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5
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121
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March 14, 2026
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Evaluating the sum over all n for e^{ikna}
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5
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126
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March 14, 2026
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Question about the Electrons & Phonons in 1D model
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6
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86
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March 14, 2026
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Question about the periodic boundary conditions
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8
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119
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March 14, 2026
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Question about negative effective mass
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6
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103
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March 14, 2026
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Questions about the Tight-binding model
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6
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90
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March 14, 2026
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dk/dE relation to DOS
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5
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152
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March 14, 2026
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Questions about Drude model and Sommerfeld model
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6
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173
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March 14, 2026
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Question about definition of mobility in Drude model
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5
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83
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March 14, 2026
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Why $\E_f$ instead of $\mu$ in the energy integral?
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5
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135
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March 14, 2026
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