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... person believes that every photon has a certain, hidden polarization vector, while each photon individually however behaves quantum ...

Article - Sascha Vongehr - Nov 13 2013 - 10:35am - 0 attachments

... assumed that additional properties such as spin and polarization do not have a non-trivial impact on interference. We decided to ... at the same time. In each arm, researchers altered the polarization of the photon (the plane of vibration of its electrical field) by ...

Article - News Staff - Oct 28 2013 - 1:15pm - 0 attachments

... middle.  They measure some property to do with the polarization direction of the light, namely Alice can either obtain measurement ... polarized, or channel “0”, which leads to vertical polarization (relative to the crystal’s internal axis).  The measurement ...

Article - Sascha Vongehr - Oct 25 2013 - 12:53pm - 0 attachments

... found there were different kinds of mixed states when the polarization of the photons changed. Their findings suggest that it's ... to a semiconductor — just by changing the laser beam's polarization. Normally, to produce such dramatic changes in a material's ...

Article - News Staff - Oct 25 2013 - 9:16am - 0 attachments

... of the experiment the same, and only reversing the polarization direction of the electron beam, scientists can use the difference or "asymmetry" of the measurements between two polarization directions to isolate the effect of the weak interaction. The ...

Article - News Staff - Sep 17 2013 - 7:50pm - 0 attachments

... a free particle, and e.g. spoil our ability to detect its polarization at production by examining the angular distributions of its decay ...

Article - Tommaso Dorigo - Aug 6 2013 - 10:44am - 0 attachments

... polarized. Measurements of the rotation of the plane of polarization caused by an external magnetic field (the Faraday effect) can be ...

Article - News Staff - Aug 15 2013 - 9:51am - 0 attachments

... energy physics. "New experiments for measuring CMB polarization that are already underway, such as the POLARBEAR and SPTpol ...

Article - News Staff - Aug 12 2013 - 12:49pm - 0 attachments

Around The Arctic June 2013 The Arctic is currently primed for rapid and extensive ice loss, unless we see some very unusual weather conditions this Summer. The state of the ice can be seen in the following series of satellite images from NASA ...

Article - Patrick Lockerby - Jun 20 2013 - 12:02pm - 0 attachments

Western Europe is a major net importer of food averaging 59 million metric tons during the years 2001 to 2010. That amount is similar to the net imports of all of Africa - a region with 2.5 times as many people. On a per capita basis tha ...

Article - Steve Savage - May 31 2013 - 8:59am - 0 attachments