Quantum measurement

Quantum eraser experiment

In quantum mechanics, the quantum eraser experiment is an interferometer experiment that demonstrates several fundamental aspects of quantum mechanics, including quantum entanglement and complementarity.The quantum eraser experiment is a variation of Thomas Young's classic double-slit experiment. It establishes that when action is taken to determine which of 2 slits a photon has passed through, the photon cannot interfere with itself. When a stream of photons is marked in this way, then the interference fringes characteristic of the Young experiment will not be seen. The experiment also creates situations in which a photon that has been "marked" to reveal through which slit it has passed can later be "unmarked." A photon that has been "marked" cannot interfere with itself and will not produce fringe patterns, but a photon that has been "marked" and then "unmarked" will interfere with itself and produce the fringes characteristic of Young's experiment. (Wikipedia).

Quantum eraser experiment
Video thumbnail

Delayed Choice Quantum Eraser - Quantum Physics

Quantum physics at its most profound: Delayed Choice Quantum Eraser experiment and its implications.

From playlist Physics

Video thumbnail

The super bizarre quantum eraser experiment

The quantum eraser experiment is one of the weirdest phenomena that has ever been observed.  It seems that quantum mechanics mixes past and future together. In this video, Fermilab’s Dr. Don takes you through this quantum conundrum. Quantum mechanics and the double slit experiment: https:

From playlist Videos by Don Lincoln

Video thumbnail

Photons, Entanglement, and the Quantum Eraser

Do quantum particles actually know if they're being watched like the double-slit experiment suggests? Does the delayed-choice quantum eraser finally prove this? No, but let's ask some better questions and see what's going on. ________________________________ VIDEO ANNOTATIONS/CARDS How do

From playlist Quantum Physics

Video thumbnail

Particle Physics 1: Introduction

Part 1 of a series: covering introduction to Quantum Field Theory, creation and annihilation operators, fields and particles.

From playlist Particle Physics

Video thumbnail

How the Quantum Eraser Rewrites the Past | Space Time | PBS Digital Studios

Try Audible: http://www.audible.com/spacetime Causality is meant to move in one direction: forward. But the Quantum Eraser experiment seems to reverse causality. How and why can this happen and what are the implications of this experiment on how we understand Quantum Mechanics and our gre

From playlist Space Time!

Video thumbnail

The Delayed Choice Quantum Eraser, Debunked

Check out the math & physics courses that I mentioned (many of which are free!) and support this channel by going to https://brilliant.org/Sabine/ where you can create your Brilliant account. The first 200 will get 20% off the annual premium subscription. The delayed choice quantum eraser

From playlist Understanding Quantum Mechanics

Video thumbnail

Quantum field theory, Lecture 2

This winter semester (2016-2017) I am giving a course on quantum field theory. This course is intended for theorists with familiarity with advanced quantum mechanics and statistical physics. The main objective is introduce the building blocks of quantum electrodynamics. Here in Lecture 2

From playlist Quantum Field Theory

Video thumbnail

What is Quantum Tunnelling?

This video explores one of the most fascinating and esoteric properties of quantum mechanics: quantum tunnelling. The video begins by explaining an apparent paradox involving alpha decay, and then goes on to show how the theory of quantum tunnelling can provide a solution. The Schrodinger

From playlist Quantum Physics

Video thumbnail

Quantum Tunneling : Animated Explanation (Quantum Mechanics)

Help me make more videos https://www.patreon.com/quahntasy Quantum Tunneling is a cool phenomenon in Quantum Mechanics also used in Semiconductors. Quantum tunnelling animation here is a rough explanation of what it really is. The brown guy in the video is the barrier and there is a quantu

From playlist Quantum Field Theory

Video thumbnail

Quantum Eraser Lottery Challenge

Matt challenges you to use quantum physics to win the lottery. Are you up to the task? Previous Episode on Quantum Eraser https://www.youtube.com/watch?v=8ORLN_KwAgs Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime E

From playlist Space Time Challenge Videos! (And Answers!)

Video thumbnail

How Small Is It - 06 - Superposition and Quantum Entanglement

Text - http://howfarawayisit.com/wp-content/uploads/2022/05/Quantum-Entangelment.pdf Music free version - https://www.youtube.com/watch?v=AkyYzxGfrY8&list=PLpH1IDQEoE8RiR--hBPa5w_vG-tDZCuYl ERROR at 26:00. Equation is wrong. See fix at https://youtu.be/Vg0qO4Neiq4 Index - http://howfarawa

From playlist How Small Is It

Video thumbnail

Is There a Fifth Fundamental Force? + Quantum Eraser Answer

Has a fifth fundamental force been discovered and how will this effect our understanding of the universe? Get your own Space Time t­shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit:

From playlist Space Time Challenge Videos! (And Answers!)

Video thumbnail

Quantum Entanglement and the Great Bohr-Einstein Debate | Space Time | PBS Digital Studios

For those of you in New York City you can check out Matt live at PBS Nerd Night at the NYC YouTube Space on Thursday night September 22nd. Hope to see you there. to.pbs.org/nerdnight Albert Einstein strongly disagreed with Niels Bohr when it came to Bohr’s interpretation of quantum mecha

From playlist Space Time!

Video thumbnail

Wolfram Quantum Framework: A Guide for Educators

In this stream, the academic outreach team presents an introduction to Wolfram Quantum Framework. Learn more here: https://resources.wolframcloud.com/PacletRepository/resources/Wolfram/QuantumFramework/ Follow us on our official social media channels. Twitter: https://twitter.com/Wolfra

From playlist Academic Outreach Livestreams

Video thumbnail

The Holometer: A Fermilab Experiment

Do we live in a two-dimensional hologram? A group of Fermilab scientists has designed an experiment to find out. It’s called the Holometer, and this video gives you a behind-the-scenes look at the device that could change the way we see the universe. Find out more at http://holometer.fnal.

From playlist Detectors and Accelerators

Related pages

Coincidence circuit | Delayed-choice quantum eraser | Quantum entanglement