Quantum entanglement is the phenomenon that occurs when a group of particles are generated, interact, or share spatial proximity in a way such that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance. The topic of quantum entanglement is at the heart of the disparity between classical and quantum physics: entanglement is a primary feature of quantum mechanics not present in classical mechanics. Measurements of physical properties such as position, momentum, spin, and polarization performed on entangled particles can, in some cases, be found to be perfectly correlated. For example, if a pair of entangled particles is generated such that their total spin is known to be zero, and one particle is found to have clockwise spin on a first axis, then the spin of the other particle, measured on the same axis, is found to be anticlockwise. However, this behavior gives rise to seemingly paradoxical effects: any measurement of a particle's properties results in an irreversible wave function collapse of that particle and changes the original quantum state. With entangled particles, such measurements affect the entangled system as a whole. Such phenomena were the subject of a 1935 paper by Albert Einstein, Boris Podolsky, and Nathan Rosen, and several papers by Erwin Schrödinger shortly thereafter, describing what came to be known as the EPR paradox. Einstein and others considered such behavior impossible, as it violated the local realism view of causality (Einstein referring to it as "spooky action at a distance") and argued that the accepted formulation of quantum mechanics must therefore be incomplete. Later, however, the counterintuitive predictions of quantum mechanics were verified in tests where polarization or spin of entangled particles was measured at separate locations, statistically violating Bell's inequality. In earlier tests, it could not be ruled out that the result at one point could have been subtly transmitted to the remote point, affecting the outcome at the second location. However, so-called "loophole-free" Bell tests have been performed where the locations were sufficiently separated that communications at the speed of light would have taken longer—in one case, 10,000 times longer—than the interval between the measurements. According to some interpretations of quantum mechanics, the effect of one measurement occurs instantly. Other interpretations which do not recognize wavefunction collapse dispute that there is any "effect" at all. However, all interpretations agree that entanglement produces correlation between the measurements and that the mutual information between the entangled particles can be exploited, but that any transmission of information at faster-than-light speeds is impossible. Quantum entanglement has been demonstrated experimentally with photons, neutrinos, electrons, molecules as large as buckyballs, and even small diamonds. The utilization of entanglement in communication, computation and quantum radar is a very active area of research and development. The Nobel Prize in Physics 2022 was awarded to Alain Aspect, John F. Clauser and Anton Zeilinger "for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science". Their results will contribute to new technology involving quantum information. (Wikipedia).
Quantum Entanglement: Spooky Action at a Distance
Quantum mechanics is one of the most mind-blowing theories of modern physics. In this video, Fermilab’s Dr. Don Lincoln explains what the phrase “quantum entanglement” means and how two objects can be connected by seemingly crazy quantum effects. To learn more visit: http://fnal.gov https
From playlist Quantum Physics
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Einstein dubbed the idea of quantum entanglement as "spooky action at a distance." Now for the first time ever, scientists have taken a picture of it. » Subscribe to Seeker!http://bit.ly/subscribeseeker » Watch more Elements! http://bit.ly/ElementsPlaylist Today we understand quantum enta
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Discussion Meeting: Entanglement from Gravity(URL: http://www.icts.res.in/discussion_meeting/EG2014/) Dates: Wednesday 10 Dec, 2014 - Friday 12 Dec, 2014 Description: In the last few years, quantum entanglement considerations have led to profound insights in the connection with gravity.
From playlist Discussion Meeting: Entanglement from Gravity
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From playlist Physics
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Dynamics of quantum entanglement by Sthitadhi Roy
Vigyan Adda Dynamics of quantum entanglement Speaker: Sthitadhi Roy (ICTS-TIFR) When: 4:30 pm to 5:30 pm Thursday, 02 February 2023 Where: Online Abstract: Quantum entanglement is one of the central tenets of quantum mechanics. In fact, it can be understood as the notion that distin
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Discussion Meeting: Entanglement from Gravity(URL: http://www.icts.res.in/discussion_meeting/EG2014/) Dates: Wednesday 10 Dec, 2014 - Friday 12 Dec, 2014 Description: In the last few years, quantum entanglement considerations have led to profound insights in the connection with gravity.
From playlist Discussion Meeting: Entanglement from Gravity
Scientists Just Broke a Quantum Record; What Happens Next?
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From playlist Elements | Seeker
Caltech Science Exchange: How Do Scientists Explain Quantum Entanglement?
In this video, four Caltech faculty members explain quantum entanglement, each sharing metaphors and concepts that help describe this mind-bending phenomenon. Entanglement is at the heart of quantum physics and future quantum technologies. Like other quantum phenomena, entanglement reve
From playlist Caltech Science Exchange
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Discussion Meeting: Entanglement from Gravity(URL: http://www.icts.res.in/discussion_meeting/EG2014/) Dates: Wednesday 10 Dec, 2014 - Friday 12 Dec, 2014 Description: In the last few years, quantum entanglement considerations have led to profound insights in the connection with gravity.
From playlist Discussion Meeting: Entanglement from Gravity
Einstein's Quantum Riddle | Full Documentary | NOVA | PBS
Join scientists as they grab light from across the universe to prove quantum entanglement is real. #NOVAPBS Official Website: https://to.pbs.org/3vqiMpg Einstein called it “spooky action at a distance,” but today quantum entanglement is poised to revolutionize technology from computers t
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Autonomous quantum thermal machines : (...) - G. Haack - Workshop 2 - CEB T2 2018
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From playlist 2018 - T2 - Measurement and Control of Quantum Systems: Theory and Experiments
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
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A New Generalization of Entanglement Entropy by Tadashi Takayanagi
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Causality and Entanglement in Holography - The Connected Wedge Theorem Revisited - Jonathan Sorce
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Good telescope that I've used to learn the basics: https://amzn.to/35r1jAk Get a Wonderful Person shirt: https://teespring.com/stores/whatdamath Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Hello and welcome! My name is Anton and in this video, we will tal
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New Dialogues: Entanglement, Holography and Renormalization (Chandrasekhar Lecture Series)
Discussion Meeting: Entanglement from Gravity(URL: http://www.icts.res.in/discussion_meeting/EG2014/) Dates: Wednesday 10 Dec, 2014 - Friday 12 Dec, 2014 Description: In the last few years, quantum entanglement considerations have led to profound insights in the connection with gravity.
From playlist Chandrasekhar Lectures