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You have 2 molecules that are entangled such that they must have opposite spin. However, you do not know which one has the positive spin and which has the negative...
Asked on 08/11/2021 by E Tam
0 answerThe $ρ^0$ and $pi^0$ mesons have the same quark content, (uu*-dd*)/sqrt(2) and have masses of 775 MeV/c^2 and 135 MeV/c^2 respectively. The ρ0 has a lifetime ~ 10^-24s while pi0...
Asked on 08/11/2021 by jjp1996
1 answerI want to know if the commutation relation for angular momentum, $$left[ J_alpha,J_betaright] = ihbarepsilon_{alphabetagamma}J_gamma$$is enough for defining its unique eigenstate of spin, $lvert s,mrangle$. As far...
Asked on 08/10/2021 by user291938
1 answerI learned that a rollercoaster needs to counteract the effect of gravity by using centripetal force. If the centripetal force is always pointing inwards, toward the centre, how does it...
Asked on 08/10/2021 by aimepie
1 answerThe dipolar moment for the deuteron is$$vec{mu}_{d}=frac{mu_{N}}{2 h}left{left(g_{s}^{(p)}+g_{s}^{(n)}right) vec{S}+left(g_{s}^{(p)}-g_{s}^{(n)}right)left(vec{s}_{p}-vec{s}_{n}right)+vec{L}right}$$we know could understad that$$left(vec{s}_{p}-vec{s}_{n}right)=0$$in the deuteron if we suppose that proton and neutron are too...
Asked on 08/10/2021
1 answerI saw a young man's science project. He asked this question in a different way "does magnetizing something reduce the magnetic field potential of the original magnet?" His...
Asked on 08/10/2021 by user3533030
3 answerWhen deriving the equation for the velocity of a transverse wave in a string of tension $T$ and linear mass density $d$, we assume that a small part...
Asked on 08/10/2021
0 answerCould someone experienced in the field tell me what the minimal math knowledge one must obtain in order to grasp the introductory Quantum Mechanics book/course? I do have math knowledge...
Asked on 08/10/2021 by azerIO
6 answerI'm learning a little bit about path integrals by myself lately and notice something quick curious. So far, I've learned that path integrals have many applications in physics, including quantum...
Asked on 08/10/2021
0 answerA vector superfield is defined by postulating an invariance under a linear transformation in the space of vector superfields: $V longrightarrow V + iLambda - iLambda^{dagger}$ where $iLambda - iLambda^{dagger}$...
Asked on 08/10/2021 by RM2401
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