Raskolnikov

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"I would never die for my beliefs because I might be wrong."

-- Bertrand Russell

	3,586 reputation	bio	website		visits	member for	2 years, 6 months
11227 badges		location	Belgium		seen	1 hour ago

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Jan 27	comment	Is Dr Quantum's Double Slit Experiment video scientifically accurate? Maybe you could explain to me what the delayed choice quantum erasure changesto the problem? Because just saying it makes a difference doesn't quite cut it.
Jan 3	awarded	Nice Answer
Jan 1	comment	Why is quantum entanglement so important? I'm sure you're right about what he had in mind. But that should not be for us to guess.
Dec 30	comment	Why is quantum entanglement so important? Unfortunately, your example is not an example of entanglement. It's not even clear to me there are correlations involved. Antiparallel spins can be represented as: $\|\uparrow\downarrow\rangle$.
Dec 9	awarded	Constituent
Nov 26	awarded	Caucus
Nov 12	awarded	Yearling
Oct 26	comment	When and how do you represent a two body state as a tensor product? @Jim: Does this help? The tensor product $L^2(\mathbb{R}^3)\otimes L^2(\mathbb{R}^3)$ is isomorphic to $L^2(\mathbb{R}^3\times\mathbb{R}^3)$. And the cartesian product is $\mathbb{R}^3\times\mathbb{R}^3=\mathbb{R}^6$.
Oct 15	revised	Schrödinger equation with complex potential deleted 7 characters in body
Oct 14	comment	The equation of a ferrofluid under a magnetic field? You won't need the full Navier-Stokes equations since the problem is static. Neither will you need the full Maxwell equations. That should simplify the problem a lot. You'll also need equations describing the interaction between the ferrofluid and the field.
Sep 24	comment	Can we have discontinuous wavefunctions in the Infinite Square well? It probably makes sense if you extend the meaning of the Schrödinger equation in terms of distributions.
Sep 15	awarded	Pundit
Sep 13	comment	Calculation of Distance from measured Acceleration vs Time If you are only interested in vertical displacement, you only need vertical acceleration as well. Can you show us what you did?
Sep 4	comment	3 inertial frames compared in STR No, $(x_1, t_1)=(x_2, t_2)=(x,t)$.
Sep 1	comment	Would it be possible to develop special relativity without knowing about light? It's easy to imagine. A blind man can use a radio to communicate. But radios transmit signals using the electromagnetic spectrum. So even an observer who can only detect things via sound would eventually discover that the true "speed limit" is the speed of light.
Sep 1	comment	Would it be possible to develop special relativity without knowing about light? We are insensitive to most of electromagnetic raditation. In fact, it took us quite some time to realize that visible light is just a manifestation of electromagnetism. Most of the electromagnetic spectrum is detected by specific instrumentation. If that species can develop a science, I don't see any reason why it could not develop those tools. It would only take the realization that some energy is going somewhere they don't "see".
Aug 31	awarded	Nice Answer
Aug 25	comment	Is it the act of measuring a quantum particle that causes it to lose its uncertainty? How will you check that you correctly inferred the location of the particle?
Aug 21	comment	Shor's algorithm and Bohmian Mechanics I didn't realize 't Hooft made a thread here. Is he the real deal? ;P Great, I'm off to read that one!
Aug 16	comment	Is dark matter really present around the sun? Fair enough, I think every statement about dark matter should really be preceded by "we think that..." or "it is hypothesized that...".