Einstein's famous mass-energy equation E = mc2 suggests unified nature of mass and energy. Mass is converted into energy for us is very common, but it has been difficult to see the transition from pure energy into the quality process. In 1934 physicist George? Brett (Gregory Breit) and John? Wheeler (John A. Wheeler) predicted a physical process, the pair of photons can generate a pair of positive and negative electrons by polarized pulsed electromagnetic field, this process is called Brett - Wheeler process. Simply put, this process can be pure energy form of light into matter.
So far, only 1997 saw Brett excess photon participation at Stanford Linear Accelerator (SLAC) on - Wheeler process. May 19, Imperial College of Oliver Pike and his colleagues in the "natural", "Photonics" sub Journal published a paper (doi: 10.1038 / nphoton.2014.95), proposes a method of producing Bright - Hui new method of Le process. Accordingly, we expect to soon see the light can be directly converted into new material evidence, which allows mass-energy equation draw a perfect end.
At present, the theory predicts that the physical process by photons, electrons and positrons and nuclear auxiliary participation in seven (as shown in the following Feynman diagrams), in addition to Bright - Wheeler electron pairs are produced solely by the energy conversion process into particles , the rest is often seen in nature and laboratory. SLAC in 1997 on the first observation of Brett - Wheeler pair production, but the middle of this process involves a complex mixture of particles and photons.
Oliver Pike and his colleagues during the coffee realize their program for fusion under discussion may be used to generate Brett - Wheeler electron pair, and that the program to be more direct than the original process on the SLAC. Pike they designed the program as shown below. First, high-energy electron bombardment gold plate, producing a bunch of billion times stronger than the sun's beam, and then collimated to a file called "annulus" (hohlraum) Hollow Circle, the inner surface of the ring beam of light in empty generates thermal radiation field, similar to supernovae generate the light beam emitted, which seems to be the same as the bottle supernova. Then, let the photons from two light sources in the annulus collide and produce Brett - Wheeler electron-positron pair.
Pike and his colleagues are trying to find high-energy laser beam to carry out the experiment. There seems to be two laboratories have this capability, a small town in the United Kingdom Berkshire's Aldermaston, another in New York Rochester. If all goes well, maybe this year will see the corresponding experimental results. (Compiled: Heart spider)
Reference material
1. http://arstechnica.com/science/2014/05/supernova-in-a-bottle-could-help-create-matter-from-light/
2. Supernova in a bottle "could help create matter from light
3. by Akshat Rathi - May 20 2014, 2:10 am +0800
4. arsTechnica
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