Questions tagged [visualization]
The visualization tag has no usage guidance.
127
questions
2
votes
3answers
191 views
How can I visualise waves?
A wave is a sustained disturbance produced at a point in a medium(or field) and is transmitted to other parts of the medium(or field) without the actual translatory motion of the particles.
This ...
2
votes
0answers
66 views
AdS/CFT spacetime visualization
I was inspired by comments under this answer to ask this question.
In the context of AdS/CFT, one often finds an embedding diagram of the $10d$ spacetime that I don't find particularly enlightening, ...
0
votes
1answer
20 views
Can you use something like a polarising material to shift an image horizontally?
A while ago I saw a video that I can’t recall about about some patterns being shifted horizontally with material that causes a polarising effect, I just want to know if that is true? Is it possible to ...
7
votes
3answers
375 views
Visualizing wormholes without embedding spacetime
Common visualization
Wormholes are often "explained" by a visualization like this where spacetime is reduced to two spatial dimensions:
(Source)
The problem with this visualization
Now I ...
0
votes
1answer
41 views
What is the "shape" of the electric potential of a moving charge? Can the field be derived as its gradient?
This is motivated by Electricity and Magnetism, 3rd Ed., by Purcell and Morin, Section 5.6.
Below is my derivation of the Lorentz transformation of the electric field due to a moving charge whose rest ...
4
votes
3answers
171 views
Identity of dynamical D$p$-branes
In my String Theory course, we introduced D$p$-branes, and I'm having trouble picturing them as dynamical objects.
We analyzed the open and closed bosonic strings, found the EoM, quantized them, and ...
0
votes
1answer
52 views
Plotting Lennard-Jones potential for Argon [closed]
I am trying to understant the Lennard-Jones potential better by trying to plot it (for Argon) with the associated interatomic force, so I have: $U(r)=\frac{B}{r^{12}}-\frac{A}{r^6},\ A=1.024\cdot 10^{...
0
votes
0answers
19 views
Visualisation tool for different speeds? [duplicate]
I'm a student often doing kinematics word problems with objects moving at X km/h, Y m/s, or Z cm/s. Yet, I have no idea what these units look like in real life.
Out of curiosity, I'm searching for a ...
2
votes
2answers
86 views
What is good software for animating results?
I am a graduate student in physics and many times when I am working on something/playing around with some expressions I would like to visualize how it looks on the computer. I usually already know (...
1
vote
1answer
80 views
Relativistic rendering: ray tracing photon paths affected by masses
Given
an initial photon position $p_{xyz}$ and its direction of travel $d_{xyz}$
a set of (point) masses, each with a location $m^i_{xyz}$ and mass $m^i_{m}$
a time step size $d$
how can I calculate ...
0
votes
0answers
24 views
Visualization of photon or neutrino paths as masses around them collapse into singularity
There exist a few astronomy images (https://en.wikipedia.org/wiki/Gravitational_lens#Gallery) and digital renders (e.g. https://www.youtube.com/watch?v=FIiwGa2l9X4) of strong gravitational lensing ...
1
vote
1answer
52 views
Proton as viewed from an orbiting electron's perspective
When I see depictions of the electron orbital of a hydrogen atom, I see a static proton in the center surrounded by an electron cloud. What would it look like if we shifted the reference frame to the ...
1
vote
3answers
70 views
Can we represent 4D graphically? [closed]
Actually I know that axes are always perpendicular but after three axes we cannot draw any other axis that is perpendicular to all the other three axes.
can any one say how can we draw another axes ...
4
votes
4answers
232 views
Terrell-Penrose effect and surface reflectance
All explanations of Terrell-Penrose effect seem imply that the effect makes some of the back-facing walls of a passing-by object visible. You can see some examples of those in many different ...
2
votes
0answers
50 views
Properties of orbit type diagrams
For fun, I created a 3d gravity simulation and colored each $(x,y)$ coordinate blue or green if a light mass put at that location would collide - within some number of simulation steps - with one of ...
0
votes
1answer
42 views
Visualization of object falling into black hole from the perspective of a distant observer
There exist a few relativistic renderings, even videos of this kind of event from the perspective of the infalling object, yet I have never seen the same event from the perspective of a distant ...
0
votes
2answers
168 views
Visualization of $n$-dimensional Hilbert spaces
I am learning quantum physics, and came across $n$-dimensional Hilbert spaces, is there any way one can visualize a $n$-dimensional space and the n components of the vectors existing in that space?
P....
3
votes
2answers
129 views
Can many-particle wave functions be imagined in 3 dimensions - instead of $3N$ dimensions?
It is usually said that the wave function for $N$ particles cannot be imagined in 3 dimensions, but only in $3N$ dimensions. What is the exact argument? Is there a loophole?
Schrödinger, Feynman and ...
0
votes
1answer
46 views
What does it mean to have a function of a field?
There was a Leonard Susskind lecture on the Higgs Boson I watched the other day, and he talked about graphing the field where the domain was some sort of field space. The lecture is here at about 6 ...
1
vote
1answer
73 views
How to visualize newtonian objects in term of harmonic oscillators?
From the group $U(1)$ in QED, via group representation we get the harmonic oscillators. However, I still have a hard time to imagine newtonian objects (computer, headphone, etc) as a combination of ...
0
votes
1answer
102 views
How would you visualise a curvature in spacetime? [duplicate]
Just wondering how one could visualise a curvature in spacetime. If anyone has a site, image or video showing this it would be appreciated.
1
vote
3answers
858 views
Energy eigenfunctions of a truncated harmonic oscillator-like potential
Assume a potential of the form \begin{eqnarray}V(x) &=& \frac{1}{2}m\omega^2x^2,~-x_0\leq x\leq x_0,\\&=& 0,\hspace{2.5cm}{\rm otherwise} \end{eqnarray} where $x_0$ is a finite ...
0
votes
2answers
144 views
With north and south poles fixed, do all geodesics have constant $\theta$ and $\phi$?
I was going thorough reading Kolb and Turner's The Early Universe where in Section 2.2 it starts by asking the following question.
For a comoving observer with coordinates $(r_0,\theta_0,\phi_0)$, ...
5
votes
1answer
190 views
Pseudo-Riemannian 2D manifold (visualize time curvature)
My goal is to visualize somehow the curvature of time, as opposed to the curvature of space. I know that we generally talk about spacetime curvature altogether; however, the fact that spacetime has ...
1
vote
1answer
81 views
Is there a relation between this function and black holes?
I was fiddling with this complex function visualizer and accidentally found this function which looks a lot like the blackhole visualizations that I see on the net:
$$
f(z)=(z\bar{z}-1)^z
$$
and I'm ...
0
votes
1answer
70 views
SPH - data visualisation in 3D
I'm not entirely sure this is the right place to ask this sort of question, but still. I have a problem with plotting 3D simulation data that I get with SPH. Basically, I want to be able to plot a '...
0
votes
1answer
105 views
How to visualize the angular frequency in SHM?
Can anyone define how can i visualize the angular frequency(ω) in a SHM y(t)=R sin(ωt+ϕ) (where ω=2π/T).Bcoz we can visualize frequency(f=1/T) as number of times the process is repeated in 1 sec so ...
0
votes
1answer
51 views
Observable higher dimensional geometry?
I recently watched a video where in VR someone was manipulating a 4D geometry in 3D space that was changing into all kinds of different shapes as it was moving through space. What i found strange is ...
0
votes
0answers
26 views
Visualizing higher dimension [duplicate]
Why can't we visualize Higher dimensions greater than 3? Is it just because the dimensions doesn't exist (Certainly I know that space-time is four dimensional) or any other physical reasons.
0
votes
0answers
47 views
Identifying "how far away" and "how big" things look to an observer in a given metric tensor's space
Let's say I have a 2D spatial slice $h$ of a metric $g$, i.e., the $x,y$-components of $g$, and that there is a person, Alice, facing a rod that is oriented perpendicularly to the direction that she ...
0
votes
0answers
36 views
Visual simulation of gravitational lensing
Is there a way to generate an accurate visual computer simulation of gravitational lensing?
0
votes
0answers
18 views
Visually comparing variances
I have a dataset containing 8 categories, I now want to visually compare the variance between the categories. The most common approach would be to use box plots or violin plots but I would like to ...
0
votes
2answers
479 views
How to visualize the merge of magnetic field?
Magnetic fields are represented by field lines and it is stated that these lines are closed lines, going through the source (often shown as lines between the two poles of the source).
Approaching two ...
2
votes
3answers
839 views
Why is the concept of electric field lines needed to understand electric fields? [closed]
I am recently learning about electric fields. So I encountered the concept of electric field lines. As they are not real but imaginary lines. Why do we need them to understand electric field?
I am ...
0
votes
3answers
668 views
Divergence of magnetic field
Consider a point near one of the poles of a bar magnet. The magnetic field lines do appear to spread, but according to Maxwell's equations the divergence of a magnetic field is always zero. So what's ...
1
vote
1answer
64 views
Is there a way to separate 2D from 3D? [closed]
When we see object around us in space, we can always interpret those in 2D, by considering them to pass through a plane, its only when we interact with those objects do we realise that it is 3D, is ...
1
vote
1answer
138 views
What does electromagnetic wave literally look like? [closed]
What does electromagnetic wave literally look like? Some people on the Internet called electromagnetic wave as something that has literally only two dimensions, I think it is because of this over-...
0
votes
2answers
93 views
How to animate a ball rolling down an incline?
I'm using Lagrangian mechanics to come up with the equations of motion for a ball rolling down an incline. I've come up with the following two equations.
$$\begin{alignat}{1}
\dot{x} &= \frac{2}{...
2
votes
1answer
84 views
Visually and physically reasonable analytic approximation to the field of a bar magnet
I want to produce publication-quality drawings of the field of a bar magnet, in both the field line representation and as a "sea of arrows." I've found some open-source software that looks like it ...
1
vote
2answers
788 views
How many eyes are needed to see a four-dimensional world? [closed]
If a four-dimensional world were to exist, how many eyes would a creature minimally need to see it (in three dimensions)?
Three? Four?
(Bonus question: how should these eyes be spatially configured?)...
-2
votes
3answers
83 views
Do magnetic lines of force depict path of moving charges [closed]
What are the magnetic field lines basically depicting in terms of moving charges or charge carrier particles or currents.
What do those circular loops around a straight current carrying wire actually ...
0
votes
1answer
71 views
Why can't our cognitive sense or five senses sense or fathom hyper-dimensional spaces? [duplicate]
Why can't our cognitive sense or five senses sense hyper-dimensional spaces?
Is it because of the way our human body is built?
-1
votes
1answer
621 views
Magnetic field lines due to two long parallel wires
There are two current carrying wires A and B both with same current (i) in same direction (outwards) , the rough representation of magnetic field lines looks like the diagram. O is the mid point of AB....
1
vote
1answer
395 views
Definition and visualization of a covector
Covector: A linear map from some set of vectors into real numbers. Also, on its own, it is an element of a vector space.
Visualisation: visualize a covector as a stack of hypersurfaces of some ...
0
votes
1answer
756 views
How to plot Wigner functions for a quantum state [closed]
Given some quantum state $\rho$, I would like to plot its Wigner function. Taking some examples, the Wigner function for number states, coherent states are well known, but it is not clear how one can ...
1
vote
1answer
160 views
Visualization of motion in black hole spacetimes
A few years ago, I came across this browser-based app that simulates the trajectories of test particles in the Schwarzschild spacetime and shows an animation. I used it a little bit as a demonstration ...
1
vote
4answers
2k views
What do electromagnetic waves look like?
They say that electric and magnetic fields are perpendicular to each other in electromagnetic waves but i am not getting how will they look together?
Two waves perpendicular to each other!
Can ...
1
vote
0answers
92 views
How can three-dimensional (mechanical) waves be visualized?
I wish to see a visualization of a (mechanical) wave propagating through a medium, e.g. my voice through air when I speak or waves into the depths of a glass of water (or the sea) when I dip my finger ...
1
vote
2answers
253 views
How can i create a position-time graph of a object which is moving in 3D space? Is it even possible?
As modelling position-time graph of a object 2D in motion requires 3 dimensions, is it possible to create a 3D object's position-time graph? Is there any intuitive idea through which it can be ...
2
votes
1answer
122 views
Electromagnetic Fields of light waves
I'm having trouble visualizing the electric and magnetic field lines of a linearly polarized light/radio wave in 3 dimensional space. When I look at the literature, I get the picture below which seems ...
