Questions tagged [visualization]

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2
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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 ...
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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, ...
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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 ...
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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 ...
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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 ...
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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 ...
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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^{...
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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 ...
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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 (...
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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 ...
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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 ...
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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 ...
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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
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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 ...
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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
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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 ...
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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....
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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 ...
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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 ...
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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 ...
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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.
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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 ...
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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
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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
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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 ...
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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 '...
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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 ...
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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 ...
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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.
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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 ...
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0answers
36 views

Visual simulation of gravitational lensing

Is there a way to generate an accurate visual computer simulation of gravitational lensing?
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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-...
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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
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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
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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?)...
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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
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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?
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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....
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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 ...
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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
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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 ...
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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 ...
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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
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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
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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 ...