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Sunday, October 3, 2010

Quantum Entanglement - Einstein's Spooky Friend

Quantum Mechanics - the most successful description of all things tiny in the universe has some very weird results and implications. One central tenet is the fact that quantum events are not "actualized" until observed or interacted with in some way or the other... pretty much saying the universe exists in all possible states at one time until observed. Wacky shit.

Einstein despised this view of the nature of the universe therefore year after year during the 1920s and 1930s, he constructed elegant thought experiments that he felt could refute the quantum view of the world. Each thought experiment was eventually refuted - usually by Neils Bohr - until a famous paper from Einstein and 2 other collaborators - the EPR (Einstein-Rosen-Podolski) Paper - hit the presses. This "perfect" paper elaborated on a theoretical experiment and a set of arguments that posited the following (in simple terms)....

If quantum mechanics theory is correct about the nature of quantum events.... then 2 particles that are sourced from the same interaction (entangled) have a curious and "spooky" property... that any subsequent observations on the entangled properties of these particles are intimately linked and correlated. In other words, no matter how far these particles move from each other - a measurement of an entangled property will "force" the other particles entangled property to be disambiguated in a correlated sense - no matter how far they were from each other in space or time. Since Einstein's theory of special relativity disallows instantaneous communication across space - then this result is quite strange.

What transpired was probably Einstein's worst nightmare. He was right in the sense that Quantum Mechanics could not be complete without allowing this "spooky" non-locality based condition to exist. John Bell, a brilliant American scientist, produced a famous inequality and major clarifications of quantum mechanics theory that provided a gateway for experimentalists to create experiments sensitive enough to test entanglement.

Experiments subsequently showed that this "spooky" condition actually did exist - and this cemented Quantum Mechanics as the strangest, spookiest and most accurate description of reality ever constructed.

Einstein, a founder and the most fervent critic of quantum mechanics, never ceases to amaze me... even as he tries to disprove theories, he helped advance and discover new components - such as entanglement.

Interesting new technologies have been derived from quantum entanglement properties, such as quantum teleportation, quantum cryptography and quantum computation but besides these groundbreaking technologies - arguably quantum entanglement's greatest legacy is the insight it provides into the nature of our universe.

LINKS
Quantum Entanglement review - Stanford link
EPR Paper - PDF link

2 comments:

Dale Ritter said...

Einstein's quantum and relativistic insights still bring innovations, and progress on the fundamentals of photons, electrons, and gravity. Research progress depends on the data density of the atomic topological function used to analyze the structural details of electrons, waves, energy, and force fields. Recent advancements in quantum science have produced the picoyoctometric, 3D, interactive video atomic model imaging function, in terms of chronons and spacons for exact, quantized, relativistic animation. This format returns clear numerical data for a full spectrum of variables. The atom's RQT (relative quantum topological) data point imaging function is built by combination of the relativistic Einstein-Lorenz transform functions for time, mass, and energy with the workon quantized electromagnetic wave equations for frequency and wavelength.

The atom labeled psi (Z) pulsates at the frequency {Nhu=e/h} by cycles of {e=m(c^2)} transformation of nuclear surface mass to forcons with joule values, followed by nuclear force absorption. This radiation process is limited only by spacetime boundaries of {Gravity-Time}, where gravity is the force binding space to psi, forming the GT integral atomic wavefunction. The expression is defined as the series expansion differential of nuclear output rates with quantum symmetry numbers assigned along the progression to give topology to the solutions.

Next, the correlation function for the manifold of internal heat capacity energy particle 3D functions is extracted by rearranging the total internal momentum function to the photon gain rule and integrating it for GT limits. This produces a series of 26 topological waveparticle functions of the five classes; {+Positron, Workon, Thermon, -Electromagneton, Magnemedon}, each the 3D data image of a type of energy intermedon of the 5/2 kT J internal energy cloud, accounting for all of them.

Those 26 energy data values intersect the sizes of the fundamental physical constants: h, h-bar, delta, nuclear magneton, beta magneton, k (series). They quantize atomic dynamics by acting as fulcrum particles. The result is the exact picoyoctometric, 3D, interactive video atomic model data point imaging function, responsive to software application keyboard input of virtual photon gain events by relativistic, quantized shifts of electron, force, and energy field states and positions. This system also gives a new equation for the magnetic flux variable B, which appears as a waveparticle of changeable frequency. Molecular modeling and chip design engineering application software developer features for programming flow are built-in.

Images of the h-bar magnetic energy waveparticle of ~175 picoyoctometers are available online at http://www.symmecon.com with the complete RQT atomic modeling manual titled The Crystalon Door, copyright TXu1-266-788. TCD conforms to the unopposed motion of disclosure in U.S. District (NM) Court of 04/02/2001 titled The Solution to the Equation of Schrodinger.

e1saman said...

The interpretation of the EPR thought experiment is still open.
http://e1saman.wordpress.com/blogs-on-quantum-physics-philosophy/