Recent content by th5418

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    MATLAB: Modeling Ion Movement in Ion Trap

    Hey guys, I asked this before but I don't know where the thread is, and now it's more detailed, haha. So attached is a png of the trap design. I'm trying to make a function on MATLAB where I can predict the ion's movement/oscillation. So the E1-E5 are electrodes, which have a combined...
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    Simple model of electrostatic trap

    Hey guys, I need some help on my research assignment which was dumped upon me during finals week. Thank you research leader for unloading your anger upon this poor undergrad. Anyways, I'm in a project to construct an electrostatic trap... and to model it in matlab. I figure I should try to do...
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    Charge Density inside Conductor

    Homework Statement We know that free charges inside a conductor will eventually move to the conductor surface. Consider a free charge initially placed inside a conductor at t=0. Show that the free charge density \rho_f will dissolve exponentially with time. Express the characteristic time...
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    Transmission Coefficient for two step potential

    Homework Statement E>V_1 & V_2 So it's a step potential wave, setup. Let's set it up along the x axis. At x=0, there is the first step where it is V_1. At x=a, there is another step, where V_2>V_1. Show that the transmission coefficient is...
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    Solving Poisson's Equation in 1D: A Shortcut Using Variable Substitution

    Homework Statement Alright, well this is more of a math problem I guess... but here it is. \frac{\partial^{2}}{\partial x{2}} V = - \frac{I}{A\epsilon_o} \sqrt{\frac{m}{2e}} \frac{1}{\sqrt{V}} Everything besides the V is constant. Homework Equations Trying to solve for the potentialThe...
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    How Does Recoil Affect Photon Emission and Absorption Frequencies?

    In the case of \nu_o momentum isn't conserved right? My main question is if I need to do like two situations, one where we take into account the recoil, and another we dont. And we do a momentum and energy conservation equation for both situations...
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    How Does Recoil Affect Photon Emission and Absorption Frequencies?

    Homework Statement Show that the fractional change in frequency of a photon absorbed or emitted by an atom initially at rest is \frac{\nu - \nu_o}{\nu} = \pm \frac{h\nu}{2Mc^{2}} where M is the mass of the atom, \nu_o is the frequency of the transition uncorrected for the recoil of the atom. In...
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    Studying Improve Your Grades: The Importance of Studying Before Tests

    Aiy, I never know how to study for a physics test, I just end up doing problems to get more accurate with my computation. There isn't really "studying" for more understanding of a problem if you already understand it..
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    Wilson-Sommerfeld quantization rules

    Homework Statement Use the Wilson-Sommerfeld quantization rules to obtain the energy levels of a perfectly elastic particle of mass m in a cubic box of edge a in terms of the quantum numbers n_x, n_y, n_z Homework Equations \oint pdq = nh Where p is a momentum, and dq is the corresponding...
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    Does Theoretical Math Really Help with Physics? | My Experience at Berkeley

    I'm interested in doing high particle theoretical research by the way, if that is any help. I'd like to take a numerical analysis class too. You think I should just skip abstract algebra then Fredrik?
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    Does Theoretical Math Really Help with Physics? | My Experience at Berkeley

    http://sis.berkeley.edu/catalog/gcc_list_crse_req?p_dept_name=Mathematics&p_dept_cd=MATH There's the link to all the math major courses. 100-199 are upper division courses. The thing is I don't hate it. I'm just struggling because my background in mathematical proofs is pretty weak. I'm...
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    Does Theoretical Math Really Help with Physics? | My Experience at Berkeley

    I hate pure math. But there are a limited number of applied mathematics courses here.
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    Does Theoretical Math Really Help with Physics? | My Experience at Berkeley

    I see, what classes are suggested to take? I'm currently taking Linear Algebra, plan on taking Analysis and Abstract Algebra and later on Complex Algebra to get a minor.
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    Does Theoretical Math Really Help with Physics? | My Experience at Berkeley

    So, I'm currently a 3rd year in the Physics program at Berkeley, and this is my first semester transitioning into upper division mathematics. I never knew it would be so theoretical, does any of this theoretical math actually help me do physics problems? Also, I plan on applying for theoretical...
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