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The usual popular (and also not so popular) science lore about entanglement goes about like this:Two particles enter into contact (or a single particle decays into two new particles) and...
Asked on 01/08/2021
0 answerWe study in thermal physics that no natural processes are reversible i. e. they are irreversible, so size of universe, it's also natural process. Why we still say big crunch...
Asked on 01/08/2021 by Kawaljeet Kaur
1 answerThe best known stationary Markov process is the Ornstein-Uhlenbeck process fully characterized via:$$p_1 (x_1) = frac{1}{sqrt{2pi}} e^{-frac{1}{2}x_1^{2}}, quad p_{1|1}(x_2|x_1) = frac{1}{sqrt{2pi (1 - e^{-2tau})}} exp left[ -frac{(x_2...
Asked on 01/08/2021 by Advaita
0 answerThis question stems from an answer to the following question:What's the most fundamental definition of temperature? The issue here is how to define the temperature in a system...
Asked on 01/08/2021 by honeste_vivere
2 answerLets say we have a wave which is linearly polarized and is incident to the surface of a imperfect conductor, which we will say is the plane $z=0$. Suppose the...
Asked on 01/08/2021 by Joshua Benabou
3 answerI read somewhere that the Energy Density of Magnetic field is given by $frac{dU}{dV}=frac{B^2}{2mu_0}$ where $B$ is the magnetic field in present in the space in a volume...
Asked on 01/08/2021 by Soumyadwip Chanda
4 answerSuppose I am sitting on a bench and looking at a moving car. Force is applied on the car by its engine, and it makes it displace, hence some work...
Asked on 01/08/2021 by user167102
7 answerIn principle, how would we demonstrate the existence of the hydrogen atom in quantum field theory and the standard model? Has it been done in practice? Some naive ideas:Demonstrate that...
Asked on 01/08/2021 by Peter A
1 answerAssume you have a resistor and an inductance in series. When a DC supply is connected at t=0, the coil is inducing an opposing voltage, which is the same as...
Asked on 01/08/2021 by fihdi
1 answerI am trying to grasp the meaning of the Maxwell Stress tensor $T_i^j$ at material boundaries. Concretely, I am trying to calculate the force between two waveguides. The results are...
Asked on 01/08/2021 by Fork2
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