Undergrad Reciprocal lattice in connection with band theory

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Reciprocal lattice is a fundamental concept in solid state physics, crucial for understanding band theory. It represents the periodicity of a crystal in momentum space, allowing for the analysis of electronic band structures. Diagrams of reciprocal lattices illustrate the relationship between real space and momentum space, aiding in the visualization of Brillouin zones. Resources like the provided links can help clarify these concepts without requiring extensive prior knowledge. Understanding the reciprocal lattice is essential for completing assignments related to band theory effectively.
Muhammad Ali20
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I need details on this topic ,this is my assignment but my solid state physics is not so good,and don't know much about it but i have to do this assignment ,i have material on reciprocal lattice but for only including in assignment ,not for my understanding,so i directly need any material on this topic ,not a lecture class
thanks :)
 
Muhammad Ali20 said:
I need details on this topic ,this is my assignment but my solid state physics is not so good,and don't know much about it but i have to do this assignment ,i have material on reciprocal lattice but for only including in assignment ,not for my understanding,so i directly need any material on this topic ,not a lecture class
thanks :)
DO you know what the reciprocal lattice.
If I were to show you diagrams like the following, do you know what they are and what they represent?
img442.png

http://www.iue.tuwien.ac.at/phd/wessner/node31.html
BandStructureGaAs_so_Klimeck.jpg

http://www.nextnano.com/nextnano3/tutorial/1Dtutorial_TightBinding_bulk_GaAs_GaP.htm
 
Thread 'Unexpected irregular reflection signal from a high-finesse cavity'

Thread 'Unexpected irregular reflection signal from a high-finesse cavity'

I am observing an irregular, aperiodic noise pattern in the reflection signal of a high-finesse optical cavity (finesse ≈ 20,000). The cavity is normally operated using a standard Pound–Drever–Hall (PDH) locking configuration, where an EOM provides phase modulation. The signals shown in the attached figures were recorded with the modulation turned off. Under these conditions, when scanning the laser frequency across a cavity resonance, I expected to observe a simple reflection dip. Instead...
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