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Physics 416: WarmUp Exercises

...The Canonical Ensemble

This assignment is due before 10 AM, Monday, March 20th, 2000.

Please type LAST name:

Please type your LAST NAME and LAST FOUR SS# digits (eg: Smith3256):

I received no help from anyone on this assignment.

The following questions refer to the material you were to read in preparation to the lesson. Each question requires you to write a paragraph or two in response.

You may change your mind as often as you wish. When you are satisfied with your responses, click the "Submit WarmUp" button at the bottom of this page.




1.


In your own words, please explain the differences and the similarlities between the microcanonical ensemble and the canonical ensemble.

Hint: The microcanonical ensemble is NOT smaller!



2.

An atom with magnetic moment of one Bohr magneton (9.27 x 10-24 ampere-m2) is placed in a 1 T magnetic field. What is its energy in the "up" state? What is its energy in the "down" state? Estimate the respective probabilities of these states at room temperature.





Below is a space for your thoughts, including general comments about today's assignment. What was hard or confusing (or cool)? What would you like to spend extra time on in class? Do you see how this subject fits in with the others we have discussed?




You may change your mind as often as you wish. When you are satisfied with your responses click the SUBMIT button.

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