cianfa72's latest activity
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cianfa72 reacted to SergejMaterov's post in the thread I QM Qubit state space representation by Projective Hilbert space with
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Exactly right. You’re drawing the perfect analogy. Point [a:b] in ##\mathbb C\mathrm P^1## isn’t literally the qubit state, but... -
cianfa72 replied to the thread I QM Qubit state space representation by Projective Hilbert space.Yes, picking a basis ##\{ \ket{0} , \ket{1} \}## in the abstract Hilbert space ##\mathcal H## of dimension 2 defines the above...
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cianfa72 replied to the thread I QM Qubit state space representation by Projective Hilbert space.I'd better say: the physical content is in the rays which represent qubit's pure states, however themselves (the rays) are not. Morever...
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cianfa72 reacted to SergejMaterov's post in the thread I QM Qubit state space representation by Projective Hilbert space with Like.
The vectors ∣0⟩ and ∣1⟩ are not cubit states in themselves, but only their representatives. The only physical content is the rays, that...
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cianfa72 replied to the thread I QM Qubit state space representation by Projective Hilbert space.Yes, of course. My doubt concerns symbols like ##\ket{\uparrow}## and ##\ket{\uparrow}##. They aren't qubit's pure states, they actually...
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cianfa72 posted the thread I QM Qubit state space representation by Projective Hilbert space in Quantum Interpretations and Foundations.I'd like to discuss some aspects of quantum systems' state space from a mathematical perspective. Take for a instance a qubit, e.g. a...
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@cianfa72, while that's true, you really don't need to worry about where the contribution becomes negligible since the grounding...
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cianfa72 replied to the thread Earth ground resistance measurement.Perhaps I was unclear, take an hemispherical grounding rod/electrode of radius ##r_0## driven into Earth. At a distance ##R## from the...
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cianfa72 reacted to anorlunda's post in the thread Earth grounded, where does the current flow? with Like.
For the purposes of simple circuit analysis, the ground does nothing at all. You can leave it out and nothing changes. For the...
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cianfa72 replied to the thread Earth ground resistance measurement.Ok, so to simplify the math one can assume that the "soil hemispherical shell of radius R equivalent resistor" has two terminals or...
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"Semi-spherical"? No good can come from a word that is a misbegotten hybrid of two languages, Latin and Greek. Semicircle and hemisphere...
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cianfa72 replied to the thread Earth ground resistance measurement.Sorry, I was sloppy in describing my question. Consider the following TT power distribution system diagram. ##R_n## is the ground...
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Starting from this Fall of potential method, earth ground resistance measurement of a ground electrode E driven into the ground can be...
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cianfa72 replied to the thread Ground loop on electronic audio systems.Sorry, do you mean power outlet's Line (L) points could represent different phases of the three-phase electrical power distribution...
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cianfa72 replied to the thread Ground loop on electronic audio systems.Basically your point is as follows: L1 accounts for the self-inductance of the coax cable's center conductor, i.e. it accounts for the...
