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This question is related to requirement that the gauge group of a gauge theory be a direct product of compact simple groups and $U(1)$ factors but is not the...
Asked on 01/14/2021 by Richard Myers
1 answerBelow the potential and trial functions:$$V(x)=(x^2-1)^2-x^2$$Use the variational method with the two trial wave functions:$$psi_{pm}(x)=Aleft(e^{-frac{(x-x_0)^2}{2sigma^2}}pm e^{-frac{(x+x_0)^2}{2sigma^2}}right)$$Where $A$ is the normalisation constant and $x_0$ and...
Asked on 01/14/2021 by Sant Man
2 answerLet a spherical object of mass ? and volume ? be dropped in water from height ℎ, with an energy E and ? be the amplitude of the wave generated....
Asked on 01/14/2021 by Taiyo Hozack
0 answerI learned during my study that when we make a measurement of a wavefunction then the wavefunction will collapse to one of its eigenfunctions with an eigenvalue. It is also...
Asked on 01/14/2021 by Shine kk
3 answerI am working through "Supergravity" from Freedman and Van Proeyen. In exercise 8.11 one is tasked to vary the Einstein-Palatini action$$ S = frac{1}{2kappa^2}int d^Dx e e^mu{}_a e^nu{}_b...
Asked on 01/14/2021 by Lactose
0 answerImagine discrete orthonormal basis made of infinite set of kets $|phi_1rangle , ..., |phi_nrangle,...$Completeness or closure of the basis is given by: $sum_{n=1}^{infty} | phi_n rangle langle...
Asked on 01/14/2021 by Abdul Qadeer
1 answerI am trying to understand and rederive why "The Integral Equations for Stokes Flow" is convoluted over just the surfaces of the rigid boundaries, and not the entire fluid volume....
Asked on 01/14/2021 by FluidMan
0 answerI am teaching myself statistical mechanics using the lecture notes of Professor Leonard Susskind. I am confused about a statement 'reducing $h$ reduces the density' at page $555$....
Asked on 01/14/2021
0 answerIn a German Wikipedia page, the following calculation for the temperature on the surface of the Sun is made: $sigma=5.67*10^{-8}frac{W}{m^2K^4}$ (Stefan-Boltzmann constant) $S = 1367frac{W}{m^2}$ (solar constant) $D...
Asked on 01/14/2021
2 answerThis is a projectile motion question and the question basically states that an object is launched at $45$ degrees with an initial velocity of $28m/s$ east. So, how...
Asked on 01/14/2021 by Negrawh
3 answerGet help from others!
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