Explain why the energy levels of an atom become energy bands in a solid.
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Subject:electronic engineering
Explain why the energy levels of an atom become energy bands in a solid.
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Solved in 2 steps
- Explain the Bohr Model and how electron transitions release and absorb energy. Your reflection must include the following terms: photon, orbit, wavelength, emit, energy level, electromagnetic radiation.Define the quantum numbers n, l, ml , s , and ms .Explain the concept of quantum entanglement and its applications in quantum information theory.
- 3) A Particle Trapped in a Shallow Defect This is a simple model for a shallow trap or defect in a semiconductor, for example, or a more realistic model for a quantum dot. We are interested in the trap states, i.e., states where the particle is localized in the trap. Hence this requires E 0 dij(x) dx √x = - 1²/2 2 din(x) dx = For the odd solution, use the following solution with A' = - C': 4₁(x) = A' exx (x) = {₁(x) = B′ sin kx B' m(x)=C'e-xx III = din(x) dx You should also apply in each case the continuity conditions: 4₁ (x = -²2 ) = ₁ (x = -1) Pu (x=+) = m(x=+) dpm(x) dx |x=+12/2 VI 8 -- / x VI 212 x≤ - 1²/12 ≤x≤ 11/27 ≤ x |x=+23/23 Use these conditions in the solution to find a set of two homogeneous equations of two unknowns. Solve these equations to find a relation between k and K and plot the solutions on a graph.TOPIC: QUANTUM MECHANICS An atom will have a full magnetic dipole moment except when it is in a 1S0 state. Why?EXPLAIN IN DETAIL HINT: The other electrons are in fully filled subshells that have no net magnetic dipole moments (EXPLAIN)An electron is known to have an energy level of 5. What are the possible values for its angular momentum quantum numbers? Explain your answer