## Solid state physics |

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Page 126

All the possible wave functions for a particle in the box thus correspond to non-

be at rest. This is in agreement with the Heisenberg uncertainty principle.

All the possible wave functions for a particle in the box thus correspond to non-

**zero**values of k (n ^ 0) and thus non-**zero**momentum. A particle in a box cannotbe at rest. This is in agreement with the Heisenberg uncertainty principle.

Page 285

13-9a. The total crystal momentum ki,+k2, is

now emits a phonon so that it goes to the same state ki/ as in Fig. 13-8b, the

electron at k2i absorbs that phonon and goes to the state k2 / shown in Fig. 13-9b

.

13-9a. The total crystal momentum ki,+k2, is

**zero**for this pair. If the electron at ki,-now emits a phonon so that it goes to the same state ki/ as in Fig. 13-8b, the

electron at k2i absorbs that phonon and goes to the state k2 / shown in Fig. 13-9b

.

Page 287

Answer: 0.36 x 10"3 eV, 1.25 x 10"3 eV, 2.17 x 10"3 eV. At temperatures above

above Ep + A become occupied. Each unpaired electron occupies a state k

which ...

Answer: 0.36 x 10"3 eV, 1.25 x 10"3 eV, 2.17 x 10"3 eV. At temperatures above

**zero**, some Cooper pairs are broken up due to thermal energy, and some statesabove Ep + A become occupied. Each unpaired electron occupies a state k

which ...

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### Contents

XRay Diffraction | 37 |

Lattice Vibrations | 61 |

Classical Model of Metals | 89 |

Copyright | |

12 other sections not shown

### Common terms and phrases

Answer Appendix basis vectors bcc lattice bond Bragg angle Bragg's Law Bravais lattice Brillouin zone called Chapter collisions conduction electrons Consider conventional unit cell Cooper pairs depletion layer diode direction dispersion curve displacement distance doped effective mass elec electric current electric field electrons and holes emitter energy band equal example Fermi energy Fermi level Fermi surface force forward biased free electron free particle frequency given by Eq inside integers ions k-space laser lattice parameter lattice points lattice vector lattice wave magnetic field n-type semiconductor NaCl negative neutrons number of electrons obtain occupied one-dimensional oscillate p-n junction photon positively charged potential energy primitive unit cell Problem rays reciprocal lattice reverse biased sc lattice scattered Schroedinger's equation shown in Fig sodium metal solid structure superconductor temperature tion transistor trons unit cell unoccupied values velocity voltage wave function wave number wave vector wavelength Wigner-Seitz cell wire x-ray diffraction zero