We’ve all seen that
tired old commercial of Reese’s Peanut Butter cup where someone with chocolate
bumps into another with peanut butter and they say, “Hey you have chocolate in
my peanut butter”. Well, we would like
to present this axiom in the Physics world, because many scientists are looking
so intensely at their challenge, that they don’t raise their heads enough to
see what the other guy is doing.
Hence for your
scientific pleasure, we would like to present, “Hey you got your Entanglement
in my Cradle”
Ingredient One – a puzzling physics phenomena for the better part of 70 years…
Quantum Entanglement
is a property / state of a quantum mechanical system. Which essentially means that any two quantum
particles that are entangled
(when two gamma photons with E=510,999 eV will
collide they will produce positron and electron in pair production process)
with each other behave as a "whole", even though they happen to be at
the opposite ends of the universe, and the moment one of the particles' spin in
determined the other particle's spin can be predicted as well. And if one of
the particles' spin is reversed, then the other particle will instantaneously
reverse its spin!!
However,
Einstein realized that such instantaneous communication of polarization value
between the two photons was forbidden by his own theory of Special Relativity
(nothing travels faster than light). Hence, Einstein believed that the model of
quantum mechanics was incomplete: it did not describe the physical reality of
Bob's photon before observation.
![]() |
| Niels Bohr and Albert Einstein debating quantum theory in the mid 1920s |
Now with that said, Ingredient Two…
A quantum Newton's cradle
The classical Newton's cradle involves a number
of steel balls, usually five, suspended in a line by fine wires. If you set one
ball swinging it hits the stationary balls and its momentum is transferred
through each of them until exactly one ball at the opposite end swings away,
the rest remaining stationary.
"The
quantum Newton's cradle is just like a classical Newton's cradle, except that
it's more perfectly one dimensional and instead of 5 balls there are
hundreds," says David Weiss, leader of the research team. "Also,
because it's a quantum system, the atoms often just go right through each
other, which never happen with the executive desk toy. Another difference is
that you can't buy the quantum Newton's cradle on the Internet."
![]() |
| (Image: David Weiss, Penn State) |
But the most
exciting difference was that even after thousands of collisions, the movement
of
the atoms stayed the same. "A fascinating thing about this system is
the remarkable stability of its momentum profile, which does not change even
after each atom in the system has collided thousands of times," says Weiss.
The movement of the particles never became chaotic. "We set all the atoms
oscillating in the trap with almost the same amplitude. We found that even
after each atom has bounced of the other atoms 10,000 times, each still oscillates
with the original amplitude."
Usually the
motion of many particle systems, such as gases, eventually becomes chaotic,
reaching state physicists call thermal equilibrium. In this state all the
parameters describing the system, such as temperature, are unchanging. However
the system that Weiss and his team created never reaches this state, and
instead a constant predictable motion was maintained by the atoms. The
theoretical understanding about this type of system predicted that this
non-chaotic behavior was possible, but the researchers were the first people to
ever witness it.
OK... are we the only ones that see the correlation?
Could in fact the instantaneous behavior of the inverse coupled pair be
explained with Newton’s Cradle?
Just say’n… (Oh ya... and we said it first…)
So “Once more unto the breach, dear friends, once more;”
Source(s):
- http://www.gizmag.com/quantum-entanglement-speed-10000-faster-light/26587/
- http://plus.maths.org/content/chaos-not-desk-toy
- http://physicsworld.com/cws/article/news/2014/may/02/how-to-build-a-quantum-newtons-cradle
So “Once more unto the breach, dear friends, once more;”
____________________________________________________________
About Rick Ricker
An IT professional with over 22 years experience in Information Security, wireless broadband, network and Infrastructure design, development, and support.
For more information, contact Rick at (800) 399-6085 x502





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