Quantum Interactions Happen 10,000 Times Faster Than Light

11:07 am Health Care

A team of physicists led by Juan Yin at the University of Science and Technology of China in Shanghai has found in an experiment involving entangled photons, or photons that remain intimately connected, even when separated by vast distances that quantum interactions happen 10,000 times faster than light. They wanted to see what would happen if you tried assigning a speed to what Einstein called “spooky action at a distance.”
As per quantum physicists after two photons particles interact, they sometimes become “entangled.” The experiment shows that if two entangled photons are sent at two different places say photon A to Delhi and photon B to Mumbai. When photon A is observed, it has a certain polarization, perhaps “up.” The other photon in Boston is always in the opposite polarization, “down.” No matter what measurement is made of photon A, photon B will always be opposite. The entangled photons always seem to “know” the right state to be in, instantaneously.
Chad Orzel, assistant professor of physics at Union College, explained, “It’s as though you sent two cards to two different addresses. One might be the jack of diamonds and the other the ace of hearts. When you get the card at one address you know which one went to the other. Quantum mechanics is weird because until you open the envelope, saying which card it is doesn’t have any meaning; it could be either one.
In the Chinese study, the researchers entangled two photons and sent them to two different stations about 10 miles (16 kilometers) apart.
The group measured the state of one photon and timed how long the entangled state took to show up in the other. They found that the slowest possible speed for quantum interactions is 10,000 times the speed of light.
This phenomenon answers many of the mysteries of consciousness.(Adapted from an article by Jesse Emspak)

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