Posted by Steve Simon on March 25, 2013, 4:35 am, in reply to "Page 255, Mott antiferromagnetism"
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Is your complaint with the use of the word "amplitude" of hopping, where t is an energy? I think perhaps that is a valid objection of poor language on my part. I will try to fix it. The minus sign is from the denominator. In 2nd order pert theory, the denominator is negative. |
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