Recent content by jqmhelios

  1. J

    Quantum mechanics textbook?

    TL;DR Summary: Lectures of critically inadequate quality have resulted in a total lack of understanding of the subject. Several 'famous' textbooks have made the situation worse I am a student in year 2 physics. This past academic year, I had a lecturer who effectively plagiarised a textbook...
  2. J

    How to answer this question, 21-cm emission line

    TL;DR Summary: Completely clueless on how to answer this question, came up as part of an assessed lab script Why does 21-cm emission only give the rotation curve of the Galaxy at galactocentric radii less than that of the Solar system? The lab script asking this question made zero...
  3. J

    I I cannot normalise this: F= Cexp(-r/a)

    I need to normalise F= Cexp(-r/a) To do this, I squared the integrand to get C^2exp(-2r/a). Then I integrated with infinite limits (from 0 to infinity) and equated to 1. The answer to the integral (confirmed by symbolab) is -a/2exp(-2r/a). When I set the limits I get sqrt(2/a). The book says the...
  4. J

    Quantum Quantum mechanics textbook for 2nd year student

    I desperately need a good resource for quantum mechanics. This semester, our lectures have been absolutely terrible. Though I managed to avoid this by studying hard, the lectures and notes were so critically inadequate that most students (not including me) used ChatGPT to complete any online...
  5. J

    Quantum Mechanics homework question on wavefunctions

    Absolutely no clue on how to even begin this question due to the exceptionally poor quality of our lectures, who has also flatly refused to give out any solutions, which I could have used to understand what is going on. I assume the energy has to be obtained by using the eigenfunction equation...
  6. J

    Classical What Lagrangian mechanics textbook should I use?

    I am currently taking a course on introductory Lagrangian and Hamiltonian mechanics in year 2 in the UK. I find the material easy but do not have access to a resource with a satisfying amount of problems. Despite being (in)directly told this resource is not useful at my level, I have Landau...
  7. J

    Textbook recommendations for second year physics (UK university)

    TL;DR Summary: Which are the best textbooks for the subjects I mention? Those on my reading list are graduate level texts I'm due to start second-year physics in a UK university in October and wanted to prepare well for it (especially after I got a first in year 1). All of the modules I plan...
  8. J

    Second year Physics student reading list questions

    I'm now moving on to my second year at Warwick and have ended up with 2 internships this summer. I've also been looking at the subject reading lists. I will be taking Statistical mechanics, Electromagnetic theory, Optics, Hamiltonian mechanics, Fluid dynamics, Quantum mechanics, among others...
  9. J

    Number Theory Modular Forms: A Textbook for University Physics Students

    I'm studying physics at university, but there has always been one subject in pure maths which always interested me- that is modular forms. Is there an 'accessible' textbook on this topic? Can anyone recommend one? Is the GTM Springer 'A first course in modular forms' any good?
  10. J

    Relativity Recommended general relativity textbook

    Special relativity is good. Although I haven't studied 4-vectors yet, I am very well versed in everything else. I have an exam on it in June, after all. Tensor analysis is more difficult, I haven't studied it yet, but have started looking at the topic in my own time, such as tensor contraction...
  11. J

    Relativity Recommended general relativity textbook

    Hi, I am looking to study general relativity at my own steam (currently finishing 1st year physics at Warwick) during the summer. What textbook(s) would you recommend? I've heard good things about A. Zee's 'Einstein Gravity in a Nutshell'- is that worth it, and would it be suitable for someone...
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