If you are interested in black hole research, I have just read how to do it with polaritons. You can produce worm holes, white holes, and black holes, even alternate universes,
http://arxiv.org/pdf/1104.3013v2.pdf Black Holes and Wormholes in spinor polariton condensates Once a polariton goes into a hot spot, it cannot come out. On Tue, Nov 25, 2014 at 2:25 AM, Axil Axil <[email protected]> wrote: > http://inspirehep.net/record/1118984/files/arXiv%3A1206.4276.pdf > > *Analog Hawking radiation from an acoustic black hole in a flowing > polariton superuid* > > We theoretically study Hawking radiation processes from an analog acoustic > black hole in a flowing superuid of exciton-polaritons in a > one-dimensional semiconductor microcavity. Polaritons are coherently > injected into the microcavity by a laser pump with a suitably tailored spot > profile. > > > An event horizon with a large analog surface gravity is created by > inserting a defect in the polariton flow along the cavity plane. > Experimentally observable signatures of the analog Hawking radiation are > identified in the scattering of phonon wavepackets of the horizon, as well > as in the spatial crelation pattern of quantum uctuations of the > polariton density. The potential of these table-top optical systems as > analog models of gravitational physics is quantitatively con rmed by > numerical calculations using realistic parameters for state-of-the-art > devices. > > > > > > > > On Tue, Nov 25, 2014 at 1:51 AM, John Berry <[email protected]> > wrote: > >> Ok, so I am not super optimistic that current physics is right about >> quite a lot... >> >> But there is a strong line of reasoning that light should create some >> degree of gravity. >> >> And as such, then enough light in a small enough space should create a >> black hole. >> >> And if that is so, then higher frequency light that has a smaller >> wavelength and a higher energy would create a stronger gravity field. >> Indeed so should a massive particle moving insanely fast. >> >> Therefore if you moved fast enough to blue shift high enough energy >> photons (gamma rays) to the point that they have enough energy to be seen >> as a relativistic black hole!!!! >> >> Therefore super high frequency photons, photons so insanely beyond gamma >> rays as to be laughable would be black hole rays. >> >> Another thought, if this gravity increased by relativistic velocity idea >> is right on, then moving at super high speed towards an almost black hole >> (or past one) would cause it to occur for you as a black hole! >> >> In much the same way that a charged object would only be seen to have a >> magnetic field to a moving observer, or apparently. >> >> BTW it only takes about twenty something micrograms to make a black hole >> if compressed into a small enough space. >> >> John >> > >
