Recent content by TeacupPig

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    Proof of a (simple) integro-differential formula

    Thank you very much, the problem is solved by straightforwardly applying this general version of the Leibniz formula. When walking home I had even thought about it for a brief moment, but I have never seen it before in this form with variable limits (which is what I need).
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    Proof of a (simple) integro-differential formula

    I'm working through a paper and trying to prove the following (dear god... ) \frac{d}{dt}\int_0^t e^{\alpha (t-x)}f(x)dx = f(t) + \alpha\int_0^t e^{\alpha (t-x)}f(x)dx I have tried three different ways, either by direct manipulations (integration by parts maybe?), or by using the definition of...
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    What Should I Know Before Learning QFT?

    I really liked the lecture notes by David Tong: http://www.damtp.cam.ac.uk/user/tong/qft.html
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    Schools Universities with PHD programs in Quantum Information Theory

    If you consider Germany, then you should definitely include Austria and Switzerland as well. There's no big difference between these countries. And they all go by the same system: As a PhD student, you're working for a specific professor and you'll have to apply directly to him, and not to the...
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    Schools Relocating to the U.S. for grad school? Does this make sense for me?

    Thanks a lot, I had really hoped to get a reply from someone who knows both sides. Yes, the system at ETH is exactly like the German one (and many of the professors are German as well.) Well, this seems to confirm my original doubts. And a system that is similar to school wouldn't suit me at...
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    Schools Relocating to the U.S. for grad school? Does this make sense for me?

    Thanks for the new replies. I thought they'd probably not consider my degrees as being equivalent to US degrees, since the bachelor is a 3 year program, and the masters is 1.5 years. Good to hear. (But I'm not really getting the reason they ask for this) Well I'd sort of need a good reason...
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    Schools Relocating to the U.S. for grad school? Does this make sense for me?

    Thanks. I just remembered that the prof with whom I'm doing my next project was a PostDoc at MIT a while ago which might be helpful. Apart from that I'd have to find out more/ask. (The others who could recommend me are not that well connected to the US I'm afraid.)
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    Schools Relocating to the U.S. for grad school? Does this make sense for me?

    I've been procrastinating heavily today and realizing that maybe I should consider applying to grad schools in the US indeed. (Currently, I'm a Masters student at ETH Zurich in Switzerland.) Although I've probably been watching too many skateboard and surfing videos during the last few weeks, I...
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    Studying How much time should I spend studying?

    Personally, I find it impossible to study more than 8 hours a day over any period that is longer than a few weeks. When there are no lectures, I usually do about 6 hours (e.g. doing research [theoretical] or preparing for an exam). My habit is to go to university for about 8 or 9 hours a day and...
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    Some questions about ETH physics

    http://www.timeshighereducation.co.uk/world-university-rankings/2010-2011/physical-sciences.html Rankings are lame...
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    Some questions about ETH physics

    Hi, I'm applying for this autumn (well, right now ...their horrific application form makes me go nuts). Congratulations for getting admitted. Reputation-wise, they should be (among) the best outside the US/UK. The choice of your future research group might be far more important (and your own...
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