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The equation is deceptively simple: ER = EPR.
It’s not made up of numerical values, but instead represents the names of some key players in theoretical physics.
On the left side of the equation, the ER stands for Einstein and Nathan Rosen, and refers to a 1935 paper they wrote together describing wormholes, known technically as Einstein-Rosen bridges.
On the right side of the equation, EPR stands for Einstein, Rosen and Boris Podolsky, who co-wrote another paper that year describing quantum entanglement.
Back in 2013, physicist Leonard Susskind from Stanford University and Juan Maldacena from the Institute for Advance Study at Princeton suggested that the two papers could be describing pretty much the same thing - something that no one else in the field had previously considered, including Einstein himself.
In his new paper, Susskind proposes a scenario where hypothetical Alice and Bob each take a bunch of entangled particles - Alice takes one member of each pair, and Bob takes the other, and they fly off in opposite directions of the Universe in their hypothetical hypersonic jets [sic. Should be hyperspace spaceships].
Once in their separate positions, Alice and Bob smash their particles together with such great force, they create two separate black holes.
The result, says Susskind, is two entangled black holes on opposite sides of the Universe, linked in the middle by a giant wormhole.
"If ER = EPR is right, a wormhole will link those black holes; entanglement, therefore, can be described using the geometry of wormholes," says Tom Siegfried over at Science News.
Since wormholes are contortions of spacetime geometry - described by Einstein’s gravitational equations - identifying them with quantum entanglement would forge a link between gravity and quantum mechanics.
originally posted by: RedDragon
Does this mean, with a large enough supply of negative energy, you could 'teleport' matter to the spacial location of the other entangled particle anywhere in the universe?
Basically open up portals with one end at each entangled particle?
In recent years, physicists have learned to exploit entanglement to communicate, compute and even teleport. But these experiments have always been hard because entanglement rapidly leaks into the environment. Blink and it’s gone.
The main difference would be that a wormhole is a shortcut from one part of the universe to another, while a black hole is a giant suction device. Also, wormholes' existence is only still hypothesized, while we have proof of the existence of black holes.
originally posted by: hubrisinxs
a reply to: TEOTWAWKIAIFF
While the idea is neat, I assume the math used to describe gravitational fields can be rewritten in terms of probability fields?
Also, what is keeping this entangled state from leaking into the environment while they hyperspace ships are moving?
Also, black holes and wormholes are not the same.
The claim, in its most dramatic-sounding form, is that gravity (spacetime curvature caused by energy/momentum) isn’t hard to obtain in quantum mechanics - it’s automatic! Or at least, the most natural thing to expect," he says.
We'll have to wait and see if ER = EPR or something closely related bears out, but it's certainly food for thought, and Susskind for one thinks he's on to something here.
"To me it seems obvious that if ER = EPR is true, it is a very big deal, and it must affect the foundations and interpretation of quantum mechanics,"
It is very tempting to think that any EPR correlated system is connected by some sort of ER bridge, although in general the bridge may be a highly quantum object that is yet to be independently defined. Indeed, we speculate that even the simple singlet state of two spins is connected by a (very quantum) bridge of this type.
From the wiki link
Twistor theory was first proposed by Roger Penrose in 1967, as a possible path to a theory of quantum gravity. The twistor approach is especially natural for solving the equations of motion of massless fields of arbitrary spin.