
Robert Egan
Articles
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12 hours ago |
techxplore.com | Ingrid Fadelli |Stephanie Baum |Robert Egan
Intensity interferometry is a promising technique that enables the precise measurement of spatial properties (i.e., distances, shapes and light properties) by probing fluctuations in the intensity (i.e., brightness) of light, as opposed to the exact timing and phase of light waves probed by amplitude (phase) interferometry. Intensity interferometry could overcome some of the limitations of amplitude interferometry, as it is less sensitive to atmospheric factors and optical imperfections.
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12 hours ago |
phys.org | Ingrid Fadelli |Gaby Clark |Robert Egan
When placed under a powerful laser field (i.e., under strong-field ionization), electrons can temporarily cross the so-called quantum tunneling barrier, an energy barrier that they would typically be unable to overcome. This quantum mechanics phenomenon, known as quantum tunneling, has been the focus of numerous research studies.
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1 day ago |
phys.org | Ingrid Fadelli |Lisa Lock |Robert Egan
Multiferroics are materials that exhibit more than one ferroic property, typically ferroelectricity (i.e., a spontaneous electric polarization that can be reversed by electric fields) and ferromagnetism (i.e., the spontaneous magnetic ordering of electron spins). These materials have proved promising for the development of various new technologies, including spintronics, devices that exploit the spin of electrons to process and store information.
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2 days ago |
phys.org | Ingrid Fadelli |Sadie Harley |Robert Egan
The extraction of work (i.e., usable energy) from quantum processes is a key focus of quantum thermodynamics research, which explores the application of thermodynamics laws to quantum systems. Meanwhile, other quantum physics research has been investigating the non-Markovian dynamics of open quantum systems, which entail the influence of past states on the systems' future evolution.
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2 days ago |
phys.org | Tomasz Nowakowski |Stephanie Baum |Robert Egan
An international team of astronomers reports the discovery of a new ultracompact binary of the AM CVn type exhibiting infrequent outbursts. The detection of the newfound system, designated TCP J07222683+6220548, was detailed in a paper published May 27 on the arXiv preprint server.
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