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This is something I've been trying to wrap my head around as I review mechanics, particularly conservation laws, in depth. I see the conservation of momentum and conservation of energy...
Asked on 06/29/2021 by Leo Webb
2 answerI apologise in advance, but I am asking for clarification. I learnt from a first year undergraduate physics book that in the case of ideal monatomic gases, the internal energy...
Asked on 06/29/2021
1 answerWhen treating scattering theory in (non relativistic) quantum mechanics, one at first considers the simple setup in which a plane wave impinges on a scattering potential, and one considers a...
Asked on 06/29/2021 by Marco Venuti
0 answerIn Brown and Wallace's 2005 paper, it is argued that the corpuscles in Bohmian mechanics are ontologically unnecessary, as they play no role in solving the measurement...
Asked on 06/28/2021 by user234683
0 answerMy textbook, when talking about the Franck-Hertz experiment, says that the intensity of the current starts going down when the difference in potential reaches 4.9 V (or...
Asked on 06/28/2021 by negativeonetwelfth
0 answerThe continuity equation states that flow rate should be conserved in different areas of a pipe: $$Q = v_1 A_1 = v_2 A_2 = vpi r^2$$ We can see...
Asked on 06/28/2021
2 answerIn neutron decay, a down quark decays into an up quark. Does the fact that there are two down quarks with the possibility of decaying contribute a factor of 2...
Asked on 06/28/2021
0 answerFrom Page.81 of Peskin and Schroeder... we note that $U(t,t_0)$ is the unique solution, with initial condition $U(t_0,t_0) = 1$, ofa simple differential equation(the Schrodinger equation):$...
Asked on 06/28/2021 by Anagh Venneti
1 answerI have an exam question, where they ask me to find the mathematical description of a standing soundwave. They want me to find the displacement wave function $y(x,t)$ and...
Asked on 06/28/2021 by mhj
1 answerI know that time-reversal symmetry requires the Bloch Hamiltonian $H(textbf{k})$ to transform as:$$Theta H(textbf{k}) Theta^{-1}=H(-textbf{k})$$where $Theta$ is the time-reversal operator. Now, let me...
Asked on 06/28/2021
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