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Unitary collapse of Schrödinger’s cat state https://journals.aps.org/pra/abstract/10.1103/PhysRevA.110.L030202

Schrödinger’s cat, that iconic thought experiment where a cat in a box is both alive and dead until someone peeks.

The authors study a system composed of a single qubit coupled to a soft-mode quantum oscillator. They show that spontaneous unitary evolution of this system create a Schr\ odinger-cat-like state of the oscillator, which is subsequently lost in a sudden process strongly resembling the measurement-induced collapse of wave function.

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Dr. Anirban Maitra is a Professor of Pathology and Translational Molecular Pathology at MD Anderson Cancer Center. His research focuses on the early detection and treatment of pancreatic cancer.

Originally studying pediatric pathology, Dr. Maitra’s career trajectory changed upon attending a seminar on pancreatic cancer, which motivated him to address knowledge gaps in the disease’s biology. He wanted to explore the molecular and clinical aspects of the disease for the sake of improving patient prognosis. “This is a disease where there’s an opportunity to make a huge difference,” said Dr. Maitra.

Later, Dr. Maitra’s lab developed a pancreatic cancer liquid biopsy method, which is a non-invasive blood test that detects the presence of tumors. “There’s still a long way to go, but now we know what to look for and who to look in,” said Dr. Maitra regarding the future direction of pancreatic cancer detection.

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Scientists at Washington State University and Lawrence Berkeley National Laboratory have discovered a way to make ions move more than ten times faster in mixed organic ion-electronic conductors. These conductors combine the advantages of the ion signaling used by many biological systems, including the human body, with the electron signaling used by computers.

The new development, detailed in the journal Advanced Materials, speeds up ion movement in these conductors by using molecules that attract and concentrate ions into a separate nanochannel creating a type of tiny “ion superhighway.”

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#AINews #ArtificialIntelligence #MachineLearning.

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Tom Temin So what are you trying here in cyber security that hasn’t been thought of already?

Howard Shrobe Well, actually, this is a very old idea. And the analogy would help if you think about the way we build ships. The goal, of course, is for them not to fill up with water. And so we try to build them with strong hulls that are hard to penetrate. But we don’t stop there. We also build it into compartments that can isolate the flow. So the analogy to software systems or to computer systems more generally is, the attackers may get in, but we don’t want them to be able to advance from one place to the next. And so this idea of compartmentalization has a realization by breaking systems up into small pieces, each of which executes only with the privilege it really needs to do its job. And that principle goes back a long, long time in computer science. But it’s always been impractical, in fact, to enforce it because the overhead is too high. So the approach we’re taking is to use novel computer architectures, novel extensions to current conventional architectures to make the enforcement easy.

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