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Consider the Hamiltonian for a System of $N$ anharmonic oscillators $H= sum_{i = 1}^N (frac{p_i^2}{2m_i}+frac{1}{2}k_iq_i^2)+sum_{i,j=1}^N b_{ijk}q_iq_jq_k$ with specific constants $k_i,b_{ijk}, m_i$ and the respective Positions $q_i$...
Asked on 02/21/2021
1 answerThis very nice NASA page continuously updates Voyager 1 & 2 distance away. How is that distance calculated/determined?...
Asked on 02/21/2021 by relayman357
1 answerI'm struggling with this doubt.Here it is....There is a infinitely long current carrying wire. A charged particle is projected with a velocity v parallel to direction of flow...
Asked on 02/21/2021 by Satya
2 answerWhat seems to incredibly bother me is why Gauss's law applies to any shape of a closed surface. Moreover, the fact that the electric flux is proportional to the enclosed...
Asked on 02/21/2021 by Jelle 3.0
2 answerI can find this term stated both ways in different literature. Are they equivalent? It's weird because the dot is a dot product in (u⋅∇), but ∇u being a gradient...
Asked on 02/21/2021 by TravisG
3 answerCohesion is how strongly a substance holds itself together, and viscosity has been described as the substance's internal friction. Viscosity has mostly been explained to me via allusions to substances...
Asked on 02/21/2021
0 answerIn a thesis I am reading, it is stated that: "The second beam is used to detect the time profileof the THz waveform. This is achieved...
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0 answerIn quantum mechanics, particles are described as wave-like. This means, for example, that an electron or photon does not have a well-defined position before one measures it and causes the...
Asked on 02/21/2021
1 answerAdding a constant to a potential energy function does not change the dynamics (time evolution) of an object in Newtonian physics. I expect the same to be true in quantum...
Asked on 02/21/2021 by a_point_particle
2 answerIf I'm not mistaken it is the case that in water-cooled reactors the water acts both as a neutron absorber (negatively contributing to the amount of fission) and as a...
Asked on 02/21/2021
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