Recent content by BREAD

Homework Statement Homework Equations This is solution of Griffith problem 11.16 The Attempt at a Solution This is procedure to get a 1-D integral form of Schrödinger equation. I don't understand why that contour integral include only one pole for each contour?

=================== I appreciate for your quick reply

========================================== I don't know why | iq - 1/a | should be smaller than 1 ?

Homework Statement Homework Equations This is a calculation about differential cross section of Yukawa potential. The Attempt at a Solution I can't understand how that highlighted part can be -1 , we don't know if the parenthesis term (iq-1/a) is negative or positive tho.

I think you don't know how to evaluate berry phase, you should look at the last line of relevant equations. There is Dell operator

This value is always 0 , even though i derivative (wt) by theta or pi

Homework Statement Homework Equations This is the way to solve when magnetic field B is arbitrary direction one. The Attempt at a Solution I got a eigenvalue of this Hamiltonian and eigenstates. but i have no idea how to set a coordinate to value the gradient

Homework Statement Homework EquationsThe Attempt at a Solution In (b), if particle B has up spin (x-axis), then A should have down-spin(x-axis). The problem ask the state by using lma,mb> state. This state is valid only in z-axis, but how can i represent that state ?? I think the answer is...

Homework Statement Homework EquationsThe Attempt at a Solution I got a Magnetic field by "Magnetized needle". I think it's just magnet. But i don't know how to get a magnetic flux due to the variable "d" that should be erased.

Homework Statement Homework EquationsThe Attempt at a Solution I think that is taylor series expansion, How that can be expanded right that? even b0, b1 ... is not a differential term. The solution just use b(z) = Bz(0,z)

Homework Statement Homework EquationsThe Attempt at a Solution These are problem 5.1 (b) and the solution. I understood the gap between each loop is 1/N, but why does each loop have vertical direction current amount of I/N ?? [/B]

Homework Statement Homework EquationsThe Attempt at a Solution Why does the second term become zero??

Homework Statement What collection of image charges solves the problem in above pictured ?? Homework EquationsThe Attempt at a Solution One of the image charge should be in dielectric region q'=-((e2-e1)/(e2+e1))

Homework Statement Homework EquationsThe Attempt at a Solution These are what i solved except (e), I have no idea how to solve (e).

Homework Statement Homework Equations The Attempt at a Solution I have no idea what it looks like and how to approach this. Is this right description?