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Version skapad av Ilja Sytjugov 2017-12-11 16:38

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Home Assignments

First part of the course:

*Name*	*Problem Number*
Katharina	3.4 (a, b), 5.2, 7.2
Lige	15.2 (a, b, c, d)
Qingyun	2.5 (a, b), 3.3, 5.3
Thomas	2.3, 6.1, 8.4
Yanyan	4.1, 5.1, 8.1

Second part of the course

*Name*	*Problem Number*
Katharina	11.1, 12.3, 17.2
Lige	10.5, 13.1, 17.1
Qingyun	10.2, 12.2, 14.2, *
Thomas	11.4, 12.5, 14.3, **
Yanyan	10.1, 12.1, 14.4

* Extra task: What is the difference between amplified spontaneous emission and stimulated emission? How can these two be distinguished in an experiment?

** Extra task: Considering that ionization energy of donors and acceptors in Si is about 50 meV, estimate the fraction of ionized impurities at room temperature