The double slit experiment involves passing light through two parallel slits to demonstrate that the light from one slit interferes with that from the other.

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Can we obtain interference pattern with single electron/photon in Young's double slit experiment? [duplicate]

Can we obtain interference pattern by using single electron/photon in Young's Double slit experiment? If yes, then how ...and if no, then why?
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In Young's double slit experiment the fringes are non-localised. Why? [closed]

What is meaning of non localiesd fringe ?Why they are non localised ?
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Can the absence of information provide which-way knowledge?

This seems an incredibly basic question, but one I've been unable to find an answer to on PSE; if this is a duplicate please point me in the right direction. Concerning a simple Young's double-slit ...
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Single Slit/Double Slit path differences

When diffracting light through a double slit, I understand that the two sources must arrive on the screen m(wavelengths) out of phase [where m is any whole number], in order for a bright fringe to ...
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Does the wavefront in the double slit experiment represent the electric field of the EM radiation / light?

The question "What is a wavefront?" get the answer "A wavefront is a contiguous region of constant phase". This seems to be right for water waves as well as for electromagnetic radiation. But what is ...
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Are wave fronts in double-slit experiments moving forward? [closed]

I ask a question about "What is a wavefront?" which follows the question "What makes the radiation behind a slit coherent". For the wavefront it was answered, that "In electromagnetics ...(that are) ...
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Double slit with observer?

https://www.youtube.com/watch?v=Xmq_FJd1oUQ Apologize if this is a dumb question, I'm just a kid trying to make sense of something that I'm new to. It shows the wave interference when you send a ...
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Understanding the delayed choice quantum eraser from a quantum information stand point

A continuation of Understanding the quantum eraser from a quantum information stand point What quantum circuit would correspond to delayed choice? In particular, the decision of whether to not to ...
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Understanding the quantum eraser from a quantum information stand point

Is there a way to understand the quantum eraser experiment in terms of quantum information? In particular, is there a quantum circuit that would function as a quantum eraser experiment? The issue I'm ...
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What makes the radiation behind slits coherent?

Have a look on the sketch To get such a intensity distribution of light behind a slit we presuppose that all the light that moves on the two lines is coherent; of the same wavelength AND the same ...
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If 2 photons never interact with one another, how come we get an interference pattern? [closed]

OK better to be insured: I'll exclude very high energy photons. Albert Einstein's paper on photo electric effect say that light is quantized loosely speaking, now in a double slit experiment How can ...
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What's the reason double-slit experiment can't be explained by edge effects rather than quantum interference? [closed]

Say we had exactly this... But instead, it was a PING PONG GUN (imagine as table tennis players use to train), throwing out PING PONG BALLS. The two slits are say 20 cm wide, and the observing ...
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In a double-slit experiment, why can't we discover which slit a particle went through by measuring when the particle was detected

In a double-slit experiment, interference implies that the particle has traveled different distances from the 2 slits. Since the speed of light is constant, it seems to me that the particle would ...
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Homework - Young's Double Slit Experiment

I have attached the question as a picture. I simply don't understand where to begin this question. It is given that $l \gg d$. Why shouldn't the phase difference at $O$ be zero? What exactly is ...
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Does a particle “exist” between emission and detection?

In considering a simple Young's double slit setup: The classical idea that a particle must exist with defined position and momentum between the source and detection plate leads to philosophical ...
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How does one quantum object know of the existence of the other slit in the double slit experiment?

My question is one for basic understanding of this problem. How can one quantum object interfere with itself? Does it know that there are two slits trough which it can pass trough?
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Double-slit experiment with entangled particles [duplicate]

What happens in a double slit experiment if you send 2 entangled particles at the same time ? The question is not a duplicate. The particles have to pass through the same double-slit, not through ...
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How does illuminating only one slit in the double slit experiment remove the interference pattern?

You know the familiar setup: Strong light source behind a wall with two slits in it, electron passing through. If the photon encounters the electron after it's passed through hole 1, then the electron ...
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How does the particle in the double slit experiment interacts with the slits?

I have a very normal yet a curious question about the double slit experiment. No one takes much interest in my college to explain the stuff. Instead they are all just busy to complete the syllabus so ...
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Why doesn't gravity mess up the double slit experiment?

So let's say you are doing a double slit experiment. Also, let's use electrons. My question is, won't the gravity of the electron affect the earth, thereby causing it decoherence and its wave ...
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Why doesn't the quantum eraser violate the no-deletion theorem?

In the quantum eraser experiment and its variants, you basically have a double slit experiment, where you detect which slit the photon went through, but then forget this information. My question is, ...
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What patterns could be observed in this quantum entanglement thought experiment?

Please see attached image below. The DEVICE is beaming two streams of entangled particle pairs (B1 and B2) in opposite directions (e.g.: Particle no. 1 (p1) goes left, Particle no. 2 (p2) goes ...
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Double Slit Experiment doubts

Well, I've been reading about this experiment and watched some videos, I'm not a Physicist, and also don't know much about this kind of stuff. But that experiment made me very curious. For what I ...
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Double slit experiment without observer

If we used an instrument to record the double slit experiment but never looked at the footage so to speak, what would the mathematics show us?
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If we forget which slit the photon goes through, does it interfere again?

Okay, this highly hypothetical, since forgetting is basically impossible. I am just testing my understanding of quantum mechanics, this exact experiment is basically impossible (although there may be ...
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How do you detect a photon without consuming it?

In double slit experiment, they say they can put a detector after the slit so they know exactly which slit the photon has passed. But if you successfully detect a photon, isn't the photon also ...
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Two-slit experiment, why $\exp(ix)$ and $\exp(-ix)$?

I am looking at an example problem from optics with two narrow slits with light shining through both. The light through one slit is 5 times the amplitude of the light through the other. I know from ...
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Modified double slit experiment with single entangled particle [closed]

Say we use one of the entangled particle (A) for the experiment, if we measure the other particle (B) would particle (A) still be able to exhibit interference pattern since physically only the ...
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What is the difference between Young's double hole experiment and Young's double slit experiment?

I wanted to know why we usually prefer double slit experiment rather than the original double hole experiment, is there any difference between the observations of the two experiments?
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Can light from the same source interfere with itself without utilizing n-slit screens?

I was wondering - can a source produce light which travels in such a configuration that part of it travels a longer distance (i.e., is out of phase with its other part) thus exhibiting an interference ...
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Varying the Predictability in a Double Slit Experiment

I know that the Englert-Greenberger-Yasin Duality Relation states that as the predictability of finding a photon at a slit in a double slit experiment increases, the visibility of the interference ...
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Quantum double slit which-way problem

I recall reading that if you put a parallel polarizing filter over one slit and a perpendicularly polarizing filter over the other slit, and send a singe photon to the slits, then there is no ...
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Why the word “measurement” all the time?

I'm trying to learn more about the properties of light. In all the youtube videos and related to the two-slit experiment, the explanations always say that "measuring" can change the outcome. Why do ...
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Alternative Explanation of Quantum Double Slit Experiment with Different Polarizing Filter Over Each Slit

I recall reading that if you put a parallel polarizing filter over one slit and a perpendicularly polarizing filter over the other slit, and send a singe photon to the slits, then the two waves that ...
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why is intensity of wave is directly proportional to area of slit?

we know that intensity is power delivered per unit area.therefore intensity shall be inversely proportional to area of slit but it is not so. I= Power delivered/area
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After a slit, are photons polarized?

It seems clear that a photon stream as well as single photons behind a well designed slit - the right slit width for a given wavelength - are polarized. Means, the electric fields of such photons are ...
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What happens to the Fringe Width when the velocity of electrons passing through the slit in Young's Double Slit Experiment increases?

A beam of electron is used in Young's Double Slit Experiment. The slit width is d. Then the velocity of electron is increased. What happens to the Fringe Width? My approach: $$\beta = ...
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Can we stop an electron?

In some scientific movies I saw that when they want to demonstrate the double slit experiment they compare marbles (in not quantum world) to electron (in quantum world) because both of them have mass ...
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The observer detail of double slit experiment

I have been searching internet for a while and I couldn't find any detailed information about the observer type in double slit experiment of electrons. For example is the observer a camera or ...
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How can the central maximum in a double slit experiment have greater intensity than the original beam?

I have read in more than one place that the maximum intensity in a double slit experiment can be defined as the sum of the amplitudes of the light in each slit. For example, if the intensity of a ...
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Visualizing the (expected) gradual change from quantum to classical behavior

I'm pretty much a layman (no formal Physics education beyond high school) but find Quantum Mechanics endlessly fascinating. Ok, so when the double slit experiment is performed using ...
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Modern explanation of the Young experiment with Quantum Field Theory?

In the Young double slit experiment it is possible to detect the arrival of individual photons as well as an interference pattern. It doesn't makes much sense to me that something could be either a ...
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Has this double slit experiment been performed with electrons?

I don't know if we have the technology yet. Double slits, one electron at a time. The moving electron should produce a magnetic field. Can we detect such a weak magnetic field and tell which slit ...
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Double slit: why don't the edges of the slit constitute a measuring device?

The usual explanation is that any interaction with a 'classical' system will collapse the wave function and destroy the interference pattern. So, a recorder which is left on but never observed, will ...
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Double slit: how late can you delay collapse of wave function?

First, I am not a physicist so if there is a better way to phrase the question, please feel free to change. My understanding is that you can delay the which-way determination up to the time when the ...
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Waves hitting opening in wall (inteference)

Say you have two openings close to each other in a wall. Why does the length of the openings have to be equal to or less than the wavelength of the waves in order to create an interference pattern?
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Difference between Youngs double slit experiment and Double slit diffraction?

Both these experiments have double slits but in one interference takes place and in the other both interference and diffraction. If diffraction takes place in double slit diffraction then it should ...
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In a double slit experiment, fringe separation is constant. However in a diffraction grating fringe separation is not constant. Why is this?

Can you explain this as simply as you can? I am currently in high school and I've been wondering why? Correct me if my question is wrong, and if my assumption in my question is wrong, would you help ...
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Double slit experiment mechanism

Can someone explain the mechanism that sets in motion the electrons in the experiment? Is it an electro-magnetic force? If so, I think it's not right to describe the motion of the electron as a ...
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Could reflected sychrotron radiation guide electrons in the slit experiments? [closed]

When electrons are accelerated they produce synchrotron radiation. An electron traveling from the slit toward a detection screen will produce photons along the way. These photons will radiate toward ...