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Einstein's General Relativity says gravity warps spacetime. Consider a hypothetical scenario:A person travels into space from Earth.He landed on a different planet in some far off galaxy where time runs...
Asked on 12/15/2021
3 answerI'm solving this particular question (refer to image) in which a rod is released from equilibrium after one of the two springs to which it is initially connected is disconnected....
Asked on 12/12/2021
1 answerIn many classical papers about Chern-Simons theory (see, e.g. [1]),it is claimed that the Chern-Simons theories with gauge group $G$ are classified by an element of $kin H^4(BG,mathbb Z)$,...
Asked on 12/12/2021
0 answerAs per Wikipedia:Quantum entanglement is a physical phenomenon that occurs when pairs or groups of particles are generated or interact in ways such that the quantum state of...
Asked on 12/12/2021
2 answerSo i'm a bit confused about something. If we take a mathematical pendulum and we apply a force to it. We ignore all friction and air resistance and only consider...
Asked on 12/12/2021
1 answerThe format of the 3 dimensional MB distribution is $A cdot e^{-frac{E}{k_BT}} cdot g(E)$ in which $A$ can be derived using normalization (integration up to $infty$ must...
Asked on 12/12/2021
2 answerIs a measurement of the current flowing through some material a measurement of the momentum of the electrons? Does their wavefunction collapse to an (approximate?) wavefunction of momentum? ...
Asked on 12/12/2021
1 answerGiven the de Sitter metric for spacetime$$ds^2 = left( 1 - frac{Lambda}{3}r^2right) dt^2 - frac{1}{left( 1 - frac{Lambda}{3}r^2 right)}dr^2 - r^2dOmega^2 $$we understand this is a solution...
Asked on 12/12/2021
1 answerI learnt about the basics of RC circuits, taking a simple case of only a resistor and a capacitor connect in series to a battery. But following this I faced...
Asked on 12/12/2021
2 answerI have a question about the number operator as applied to a quantum gas containing a mixture of different spins. Let us say the total number operator $hat{N}$ counts...
Asked on 12/12/2021
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