Recent content by ggb123

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    Unclear geometry in optics problem

    Homework Statement [/B] A parallel quadratic slab of glass (n = 1.55 and thickness d = 2 cm, L = 21 cm) rests on a large slab of glass (n = 1.55). To prevent the optical contact weld forming between the two polished surfaces, a small teflon ball (D = 1 cm) is inserted between the slabs on one...
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    Where do I find Nonlinear Susceptibility Tensor Values?

    Hi, everyone. I am having a hard time finding explicit values of non-linear susceptibility tensor values for any sort of crystals. Specifically, I'm looking for values of a BBO crystal, but I would like to know where to find others for my future research. I should say that I am looking for the...
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    Best books for computational quantum mechanics?

    Hi, I'm entering graduate school this fall and was looking to improve my computational physics knowledge. I have experience with MATLAB, Python, Java, and some C. My question is which resources do you think are the best for learning the methods required for computational quantum...
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    Schools Grad School Admission Dilemma: Mechanical Engineering vs. Mathematics Background

    Without knowing more about the course that you took and the course they want you to take, this is a very unclear situation. You did your undergraduate degree in math, so would I be wrong to assume that the fluid mechanics course you took had a greater emphasis on the theory behind fluid...
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    Schools Grad School Admission Dilemma: Mechanical Engineering vs. Mathematics Background

    I would argue that it is really irrelevant whether or not people on pf agree with the school's decision. All that can be done is you can explain to the school that you've taken advanced fluid mechanics and think that the requirement you take fluid mechanics there is unnecessary. They will...
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    Advice and what to consider when choosing a graduate program

    Hi everybody, Like many people at the moment, I'm in the position of having to choose where I'm going to go to graduate school for a PhD. I'm contemplating two different schools. The first school is my undergrad institution, where I would work with a well known and influential advisor that...
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    Why f(x) = x^n - r e^{i \theta}? Seeking Analytic Explanation

    I'd like to figure out why f(x) = x^n - r e^{i \theta} = \prod_{j = 0}^{n - 1} ( x - r^{1/n} e^{i \theta / n} e^{2 \pi i j / n} ) , as I've seen it used as an identity in a few courses but I cannot figure it out. Could somebody shed some light? I understand they are the roots of the function...
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    Schools C+ in Electromagnetic Theory Grad School Chances?

    I don't have much research experience, though I am working in a lab this summer. My senior research project will be done next year, though in the winter semester (so not in time for grad school applications). Also, I'm from Canada, so the GRE is not essential here, though some schools do look at it.
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    Schools C+ in Electromagnetic Theory Grad School Chances?

    Thanks for the reply! No, and this course is offered in alternating years. So, I can't retake it even if I wanted to. I've thought about taking a graduate level course next year (my senior UG year) to demonstrate my abilities, though my best course of action may be just stick to UG courses and...
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    Schools C+ in Electromagnetic Theory Grad School Chances?

    Hi, I got a C+ in my EM theory (3rd year with Griffiths book) course. I have A+'s in everything else this semester, though (including quantum mechanics II). Is this something that would hurt my grad school chances severely? My GPA is 3.48 and my physics major GPA is 3.6, for reference...
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    Programs Importance of Research for a Masters Degree

    Actually, no. I was referring to one in which you receive a stipend. At my school, it is the norm to receive one for a masters degree in physics. I know about terminal masters degrees, but was curious what my chances were to be paid for one from other peoples' experiences.
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    Programs Importance of Research for a Masters Degree

    I'm wondering how much undergraduate research really matters when applying for to get into a masters program. Obviously different schools have different requirements. I know that. Try as I might, though, I can't get any research experience. I'm a third year student in a physics-mathematics...
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    Matrix Representation of Operators in a Finite Basis

    I also would like to know how to represent the ladder operators of the harmonic oscillator in a finite basis of | E_1 \rangle and | E_2 \rangle as matrices. I get the proper position expectation values using the following representations: a = \left( \begin{matrix} 0 & 0 \\ \sqrt{2} & 0...
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    Matrix Representation of Operators in a Finite Basis

    Homework Statement I have my quantum mechanics final creeping up on me and I just have a question about something that doesn't appear to be covered in the text. Let's say you have a wave function of the following form for a linear harmonic oscillator: \Psi = c_1 | E_1 \rangle + c_2 | E_2...
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