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| New insight into thermoelectric materials may boost green technologies Posted: 14 May 2014 12:32 PM PDT Physicists have found remarkable thermoelectric properties for a metal that may impact the search for materials useful in power generation, refrigeration or energy detection. Thermoelectric materials can turn a temperature difference into an electric voltage. |
| Quantum tunneling and the Aharonov-Bohm effect Posted: 14 May 2014 07:03 AM PDT Although quantum tunneling has been observed on large scales, no one has yet actually measured the tunneling of a single particle until now. Physicists report using an ion trap system to observe the Aharonov-Bohm effect with quantum tunneling. The AB effect demonstrates that a magnetic field inside a confined region can have a measureable impact on a charged particle which never traveled inside the region. |
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