FYI, Here is the paper that goes with the abstract. http://arxiv.org/ftp/arxiv/papers/1204/1204.3564.pdf
On Sat, Jul 19, 2014 at 4:15 PM, Axil Axil <[email protected]> wrote: > *http://www.nature.com/nphys/journal/v8/n10/full/nphys2406.html > <http://www.nature.com/nphys/journal/v8/n10/full/nphys2406.html>* > > > > *Half-solitons in a polariton quantum fluid behave like magnetic monopoles* > > *This is old ground but recapitulation never hurts.* > > *This states that polaritons formed by nanowires or cracks (defect > potential in a semiconductor microcavity) can form a Bose Einstein > condensate of spinners (solitons). This also says that the polariton > spinner of magnetic monopole can for a anti spinner. This means that this > magnetic monopole can extract mass from the Higgs field. That is, IMHO, a > condensate of polariton spinners could be dark matter.* > > *<Snip>* > > *Magnetic monopoles are point-like sources of magnetic field, never > observed as fundamental particles. This has triggered the search for > monopole analogues in the form of emergent particles in the solid state, > with recent observations in spin-ice crystals and one-dimensional > ferromagnetic nanowires. Alternatively, topological excitations of spinor > Bose–Einstein condensates have been predicted to demonstrate monopole > textures. Here we show the formation of monopole analogues in an > exciton–polariton spinor condensate hitting a defect potential in a > semiconductor microcavity. Oblique dark solitons are nucleated in the wake > of the defect in the presence of an effective magnetic field acting on the > polariton pseudo-spin. The field splits the integer soliton into a pair of > oblique half-solitons of opposite magnetic charge, subject to opposite > effective magnetic forces. These mixed spin-phase excitations thus behave > like one-dimensional monopoles. Our results open the way to the generation > of stable magnetic currents in photonic quantum fluids.* > > *<EndSnip>* > > >
