bhobba's latest activity
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bhobba reacted to Matterwave's post in the thread Graduate Is the deformation in Eq. 56 really innocuous? with
Like.
It seems to me that your concern has changed drastically. If I read your post right, now you are saying the authors performed their math... -
bhobba reacted to PeterDonis's post in the thread Graduate Is the deformation in Eq. 56 really innocuous? with Like.
I don't think it's intended to be. I think, as @Matterwave has said, that it's intended to capture varying the relative angles of the...
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bhobba reacted to Matterwave's post in the thread Graduate Is the deformation in Eq. 56 really innocuous? with Like.
I guess I don't understand your concern because to me, the whole point of changing detector settings is to change the (quantum)...
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bhobba reacted to Matterwave's post in the thread Graduate Is the deformation in Eq. 56 really innocuous? with
Love.
I have not read through the entire paper and just glanced around the relevant sections so take this with a grain of salt. My... -
bhobba reacted to hokhani's post in the thread Graduate Measurement and expectation value with Like.
Ok, and I told since ##[H,\hat{A}=\hat{S_z}]=0##, in the Stern-Gerlach experiment after the time ##t_1## the system is always in the...
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bhobba reacted to PeterDonis's post in the thread Graduate Measurement and expectation value with Love.
It does if the state in between is not an eigenstate of the Hamiltonian. Then the state will change by time evolution in between the...
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bhobba reacted to Matterwave's post in the thread Graduate Measurement and expectation value with Like.
So to answer the top level question, yes measurements will affect ##\langle A\rangle## because they affect ##| \psi\rangle## and...
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bhobba reacted to Matterwave's post in the thread Graduate Measurement and expectation value with Like.
Others have discussed some practical issues with doing this experiment but if we ignore those, we can analyze this experiment based on...
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bhobba reacted to Roberto Pavani's post in the thread Graduate Measurement and expectation value with Like.
The answer may also depend on how invasive the measurement is. Some measurements strongly disturb the system (or even destroy it), while...
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bhobba reacted to Roberto Pavani's post in the thread Graduate Measurement and expectation value with Like.
Do you mean repeating the measurement on a freshly prepared ensemble, or on the same ensemble after the first measurement? The answer is...
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bhobba reacted to anuttarasammyak's post in the thread Graduate Measurement and expectation value with Love.
I do not think so in general. Some counter examples. Photons disappear on the screen leaving dots in double slit experiment. We cannot...
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bhobba reacted to renormalize's post in the thread Undergrad Best way to numerically solve this system of equations? with Like.
From skimming through the video referenced by the OP, the known rocket parameters are: ##c_n## is the exhaust velocity of the...
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bhobba reacted to berkeman's post in the thread Nuclear reactor design with refuel period of more than 20 years with Like.
Paging @Astronuc
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bhobba reacted to Dale's post in the thread High School What Medium Does Light Travel Through in Space? with Like.
Yes, it is dimensionless in SI units, but not in imperial units. In imperial units it is ##0.031 \mathrm{\ lbf \ s^2 \ lbm^{-1} \...
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bhobba reacted to Matterwave's post in the thread High School What Medium Does Light Travel Through in Space? with Like.
Note that QED is the theory of the electromagnetic interaction. In other words, it is the theory of EM fields + electron (charged)...