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What exactly is tension force and how does it act? When I saw a video on Khan Academy it said that tension force is just a force...
Asked on 08/30/2021
2 answerI have been assigned the task to write a computer code to implement the Perdew Burke and Ernzerhof (PBE) method. Does anyone know a good reference which can...
Asked on 08/30/2021 by Gihan
0 answerI am having trouble finding good introductory literature (e.g. a textbook or lecture notes) for the Newman-Penrose formalism of General Relativity. I am looking for a resource suitable for...
Asked on 08/30/2021 by user140223
0 answerWe have two objects moving opposite to each other on the x-axis. They started to collide on the location $x = 0$ on x-axis.We know that if object one...
Asked on 08/30/2021 by Physician
0 answerFor the values $alpha = frac{1}{2},1, 2$, corresponding to real, complex and quaternionic scenarios, the formulas (https://arxiv.org/abs/1301.6617, eqs. (1)-(3))begin{equation} label{Hou1}P_1(alpha) =Sigma_{i=0}^infty f(alpha+i),end{equation}where...
Asked on 08/29/2021
1 answerIf oxygen is removed from water by boiling the water, what is the result when the water reaches room temperature? Is it still free of oxygen?...
Asked on 08/29/2021 by Carolyn Conrad
1 answerIn real space, the Fermi-Hubbard model can be written as: $$ H = -t sum_{langle i,j ranglesigma} (c^dagger_{isigma} c_{jsigma} + c.c.) + U sum_in_{iuparrow}n_{idownarrow}$$ The only difference between having...
Asked on 08/29/2021
1 answerI calculated the Compton amplitude of three diagrams but how can I verify it under gauge invariance structure?$${cal A} = 2 e^2 left[ frac{ p_3 cdot epsilon_1...
Asked on 08/29/2021 by Ehsan Javanbakht
1 answerconsider a table with the a uniform magnetic field of flux density B coming directly out of it, the field lines are perpendicular to the the surface of the table,...
Asked on 08/29/2021 by sanjay
2 answerI have a problem in mind. There are 2 particles in a box. If they are distinguishable, there are 4 microstates represented by the picture below. If the particles are...
Asked on 08/29/2021
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