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Modern Physics
Fall 2000
Class Time: MWF 11:50
AM - 12:40 PM
Class Room: Room 157 Physics
Building
Some reasons why you should care about this
course:
- Physics is fun (need I say more?!)
- Quantum Mechanics is Weird
- There are exciting research projects
going on in the Department (We'll be going on some lab tours, etc.)
- Optical diffraction limits how much data
you can fit on an optical disk. I'll tell you about up-and-coming technology
that will allow us to store > 1 Tbit/cm^3! Below is an electron
migrogaph of a CD showing pits representing binary 0's and 1's. What sets
the scale of these features? Check out the CD-ROM Information
Page to learn more (I took the image from this page).
- The size of computer chips can't shrink
too much because of the wave nature of matter. Below is an experimentally
measured electron probability distribution for a structure of iron atoms
placed on a (very flat!) copper surface. Each "mountain" indicates the
location of a single iron atom. Go to the IBM web page on STM (scanning
tunneling microscopy) to learn more. We'll be learning about quantum
mechanical tunneling in this course! (I took this image from the IBM STM page).
Last modified: 12-Oct-00
gauthier@phy.duke.edu |
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