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If at high temperatures atoms are more intensely interacting with each other or emitted photons that also could make the core vibrate. Is in these circumstances the radioactive material more...
Asked on 09/24/2020
5 answerI am trying to model transport of ions (calcium, potassium, chloride etc.) in water. The ions move because of the influence of diffusion and electric force and can be modeled...
Asked on 09/23/2020 by abir
1 answerFor a simple fermionic system the formula for calculating the density of states (DOS) is $N(E) = sum_{n}delta(E-E_{n})$ where ${E_{n}}$ is the set of eigenvalues obtained after diagonalizing...
Asked on 09/23/2020 by swagatam
2 answerI have read this SE-Physics question and its answers, however, I could not find anything regarding the effect of Sun's $g$-field on the GPS clocks. When a GPS...
Asked on 09/23/2020
1 answerConsider that we have a system with a time dependent hamiltonian $H(t)$. We consider that the hamiltonian changes from $H(0)$ to $H(t)$, ($t$ large), and we...
Asked on 09/23/2020 by AlfredV
1 answerIn Bose-Einstein statistics, two identical bosons can be in one of the following three states with respect to some orthonormal single particle states $|Arangle$ and $|Brangle$: (1) ...
Asked on 09/23/2020
1 answerI am currently reading the book "Advances in Atomic Physics: An Overview" by Cohen-Tannoudji and Guéry-Odelin. In pages 29-31 the authors discuss a two-level atom subject to a broadband radiation...
Asked on 09/22/2020 by eranreches
1 answerHas anyone measured it? I can't seem to find anything online for "spoon capacitance"; what's the expected (self-)capacitance on the typical household utility metal spoon? The spoon heads bear a...
Asked on 09/22/2020 by OverLordGoldDragon
2 answerYou probably noticed that the radius of the (observable) Universe in Planck lengths $R$ (about $10^{60}$) and the cosmological constant $Lambda$ (about $10^{-120}$) in natural units obey approximately: $$Lambda R^2...
Asked on 09/22/2020
1 answerSorry if this is a simple question, I did my research and couldn't find much. The equation for thermal diffusivity is: $a = frac{k}{pc_p}$Where $k$ is thermal...
Asked on 09/21/2020 by the4naves
2 answerGet help from others!
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