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Extracting information about dynamic processes in the picosecond (ps) requires extensive modification and optimal control of the operation conditions. This research, published in Ultramicroscopy surpasses these shortcomings by combining a delay line detector with continuous illumination in a transmission electron microscope.
Emory studying mind-body interventions for trauma-related dissociation Emory University is part of a $3.8 million grant from the NIH’s National Center for Complementary and Integrative Health awarded to both Emory and University of Pittsburgh. The funding will support a clinical trial to test the mechanisms of new mind-body interventions for trauma-related dissociation. Dissociation is a disconnection between a person’s thoughts, memories, feelings, actions or sense of who he or she is. Emory will serve as the trial’s primary site led by clinical neuropsychologist Negar Fani, assistan...
E-Mail IMAGE: An observer (Wigner's friend) performs a quantum measurement on a spin system. Later, Wigner measures the friend and spin in an entangled basis. As a consequence of this measurement, not... view more Credit: © Aloop, IQOQI-Wien, Österreichische Akademie der Wissenschaften In 1961, the Nobel prize winning theoretical physicist Eugene Wigner proposed what is now known as the Wigner's friend thought experiment as an extension of the notorious Schroedinger's cat experiment. In the latter, a cat is trapped in a box with poison that will be released if a radioactive atom...
Credit: Osaka University Osaka, Japan --Straight-line constant-speed propagation in free space is a basic characteristic of light. In a recent study published in Communications Physics, researchers from Osaka University discovered the phenomenon of reciprocating propagation of laser pulse intensity in free space. Spatiotemporal couplings have been recently used to produce light with tunable group-velocity, direction, and trajectory in free space. For example, the flying focus (a moving laser pulse intensity in the extended Rayleigh length), where longitudinal chromatism and temporal chirp ar...
Share Aalto researchers have used an IBM quantum computer to explore an overlooked area of physics, and have challenged 100 year old cherished notions about information at the quantum level. The rules of quantum physics – which govern how very small things behave – use mathematical operators called Hermitian Hamiltonians. Hermitian operators have underpinned quantum physics for nearly 100 years but recently, theorists have realized that it is possible to extend its fundamental equations to making use of operators that are not Hermitian. The new equations describe a universe with its own p...