From richgauthier at gmail.com Thu Jun 13 15:05:38 2019 From: richgauthier at gmail.com (Richard Gauthier) Date: Thu, 13 Jun 2019 15:05:38 -0700 Subject: [General] new article In-Reply-To: References: <005a01d505c1$d79e9920$86dbcb60$@macken.com> <00ac01d50634$b0883440$11989cc0$@macken.com> <011601d50783$6fd0e910$4f72bb30$@macken.com> <890466CA-7838-4DF0-A510-3C2BDB4F3A6E@gmail.com> Message-ID: <7A9E4A3D-43A3-4773-BBD6-E8F482EE4375@gmail.com> Hi John W, Chip, Martin, David and all, My follow-up article on the relativistic quantum-vortex electron model is just out at http://richardgauthier.academia.edu/ It?s called Quantum-entangled superluminal double-helix photon produces a relativistic superluminal quantum-vortex zitterbewegung electron and positron, Part 2: Crossing lightspeed All the best, Richard -------------- next part -------------- An HTML attachment was scrubbed... URL: From datapacrat at gmail.com Sat Jun 29 02:56:08 2019 From: datapacrat at gmail.com (DataPacRat) Date: Sat, 29 Jun 2019 09:56:08 +0000 Subject: [General] Light with "self-torque" Message-ID: An article I believe is of interest to the members of this list: https://phys.org/news/2019-06-property.html > New property of light discovered > by Bob Yirka, Science X Network, Phys.org > > A team of researchers affiliated with several institutions in Spain and the U.S. has > announced that they have discovered a new property of light?self-torque. In their paper > published in the journal Science, the group describes how they happened to spot the new > property and possible uses for it. > > Scientists have long known about such properties of light as wavelength. More recently, > researchers have found that light can also be twisted, a property called angular > momentum. Beams with highly structured angular momentum are said to have orbital > angular momentum (OAM), and are called vortex beams. They appear as a helix > surrounding a common center, and when they strike a flat surface, they appear as > doughnut-shaped. In this new effort, the researchers were working with OAM beams > when they found the light behaving in a way that had never been seen before. > > The experiments involved firing two lasers at a cloud of argon gas?doing so forced the > beams to overlap, and they joined and were emitted as a single beam from the other side > of the argon cloud. The result was a type of vortex beam. The researchers then > wondered what would happen if the lasers had different orbital angular momentum and if > they were slightly out of sync. This resulted in a beam that looked like a corkscrew with a > gradually changing twist. And when the beam struck a flat surface, it looked like a > crescent moon. The researchers noted that looked at another way, a single photon at the > front of the beam was orbiting around its center more slowly than a photon at the back of > the beam. The researchers promptly dubbed the new property self-torque?and not only > is it a newly discovered property of light, it is also one that has never even been > predicted. > > The researchers suggest that it should be possible to use their technique to modulate the > orbital angular momentum of light in ways very similar to modulating frequencies in > communications equipment. This could lead to the development of novel devices that > make use of manipulating extremely tiny materials. The actual published article is at https://arxiv.org/ftp/arxiv/papers/1901/1901.10942.pdf . Discovered via the blog article at https://science.slashdot.org/story/19/06/29/0039231/new-property-of-light-discovered , where one comment links to https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0056086 , which includes the conclusion "In conclusion, twisted waves cannot carry information that is independent from the information contained in plane wave modes at the same frequency." Thank you for your time, -- Dan Boese, aka DataPacRat "Does a???=2c?/? ? I don't know, but wouldn't it be fascinating if it were?" From richgauthier at gmail.com Sat Jun 29 07:00:58 2019 From: richgauthier at gmail.com (Richard Gauthier) Date: Sat, 29 Jun 2019 07:00:58 -0700 Subject: [General] Light with "self-torque" In-Reply-To: References: Message-ID: Hi Dan, Thanks for your note about this discovery of a new property of light, ?self-torque" which is reminiscent of the superluminal double-helix model of the photon, though with clearly significant differences. all the best, Richard > On Jun 29, 2019, at 2:56 AM, DataPacRat wrote: > > An article I believe is of interest to the members of this list: > > https://phys.org/news/2019-06-property.html > >> New property of light discovered >> by Bob Yirka, Science X Network, Phys.org >> >> A team of researchers affiliated with several institutions in Spain and the U.S. has >> announced that they have discovered a new property of light?self-torque. In their paper >> published in the journal Science, the group describes how they happened to spot the new >> property and possible uses for it. >> >> Scientists have long known about such properties of light as wavelength. More recently, >> researchers have found that light can also be twisted, a property called angular >> momentum. Beams with highly structured angular momentum are said to have orbital >> angular momentum (OAM), and are called vortex beams. They appear as a helix >> surrounding a common center, and when they strike a flat surface, they appear as >> doughnut-shaped. In this new effort, the researchers were working with OAM beams >> when they found the light behaving in a way that had never been seen before. >> >> The experiments involved firing two lasers at a cloud of argon gas?doing so forced the >> beams to overlap, and they joined and were emitted as a single beam from the other side >> of the argon cloud. The result was a type of vortex beam. The researchers then >> wondered what would happen if the lasers had different orbital angular momentum and if >> they were slightly out of sync. This resulted in a beam that looked like a corkscrew with a >> gradually changing twist. And when the beam struck a flat surface, it looked like a >> crescent moon. The researchers noted that looked at another way, a single photon at the >> front of the beam was orbiting around its center more slowly than a photon at the back of >> the beam. The researchers promptly dubbed the new property self-torque?and not only >> is it a newly discovered property of light, it is also one that has never even been >> predicted. >> >> The researchers suggest that it should be possible to use their technique to modulate the >> orbital angular momentum of light in ways very similar to modulating frequencies in >> communications equipment. This could lead to the development of novel devices that >> make use of manipulating extremely tiny materials. > > The actual published article is at > https://arxiv.org/ftp/arxiv/papers/1901/1901.10942.pdf . Discovered > via the blog article at > https://science.slashdot.org/story/19/06/29/0039231/new-property-of-light-discovered > , where one comment links to > https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0056086 > , which includes the conclusion "In conclusion, twisted waves cannot > carry information that is independent from the information contained > in plane wave modes at the same frequency." > > > Thank you for your time, > -- > Dan Boese, aka DataPacRat > "Does a???=2c?/? ? I don't know, but wouldn't it be fascinating if it were?" > _______________________________________________ > If you no longer wish to receive communication from the Nature of Light and Particles General Discussion List at richgauthier at gmail.com > > Click here to unsubscribe > -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: Screen Shot 2019-06-29 at 6.47.22 AM.png Type: image/png Size: 608461 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: PastedGraphic-24.png Type: image/png Size: 525655 bytes Desc: not available URL: