Recent content by Birrabenzina

  1. Birrabenzina

    High Energy Suggestions for a book on Particle Physics

    Okay, looking now at the index seems like that this book might do for the course
  2. Birrabenzina

    I Why “If Lz has a well-defined value, then Lx and Ly do not”?

    Since you're studying quantum mechanics there, you need to take the basic laws and apply those to your case. I can give you two suggestions, you have to work this out yourself. Use these relations, and the answer will be yours: \begin{align} &\left[x_i,p_j\right]=i\hbar\delta_{ij}\\...
  3. Birrabenzina

    High Energy Suggestions for a book on Particle Physics

    The links don't work, can you link directly the book on Amazon? Maybe there's the "look inside" function for this book
  4. Birrabenzina

    High Energy Suggestions for a book on Particle Physics

    Now I'm just looking for whatever kind of book, I'll check them up at the Physics Department's library after Easter and I'll buy the one that fits me best, hence every suggestion is well accepted.
  5. Birrabenzina

    High Energy Suggestions for a book on Particle Physics

    Hi everyone, I'm a senior undergrad in an Astrophysics BSc, and I just started my first course in Particle and Nuclear Physics. Our teacher didn't suggest anything as a textbook, and on my own I couldn't find any really relevant/useful book for my course type, and now I'm here, hopefully having...
  6. Birrabenzina

    A KIC 8462852 (dipping again in March 2018)

    This star is pretty interesting. Has someone any link to some paper which analyzes this star in detail? Maybe it's a double system with a type Y or T brown dwarf
  7. Birrabenzina

    Proof: Time independence of the entropy under unitary time evolution

    S isn't just a scalar, that's a function of the density operator, hence you want to diagonalize that operator through a transformation, in order to say that S is invariant through time transformations
  8. Birrabenzina

    Proof: Time independence of the entropy under unitary time evolution

    I got this proof in my last quantum statistical mechanics exam, I remember it pretty well. So there are two ways, one using $$\frac{\mathrm{d}\rho}{\mathrm{d}t}=\frac{1}{i\hbar}\left[\mathcal{H},\rho\right]$$ Where $\mathcal{H}$ is your Hamiltonian. (My professor suggests this as it should be...
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