Exploring the design of efficient quantum emitters using defects in wide-bandgap semiconductors, specifically silicon carbide (SiC) and diamond.
It highlights how these defects can be engineered to emit single photons, which are crucial for quantum technologies like secure communication and quantum…
Computers benefit greatly from being connected to the internet, so we might ask: What good is a quantum computer without a quantum internet?
It’s easy to think of bacteria as one of the greatest scourges on Earth for the diseases and deaths they cause, and how they repeatedly thwart our best antibiotics, evolving into drug-resistant superbugs.
But really, bacteria are just doing what they’ve always done – finding new ways to survive.
While the search for new antibiotics continues, combination therapies are increasingly being tested to try to clamp down on multiple bacterial escape pathways at once, and limit the chances of microbes developing resistance with successive biological hacks.
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Emerging technologies of today have the power to reshape industries, achieve significant scale, and shift the economic landscape.
From AI-driven advancements in disease detection to carbon-capturing microbes, these technologies stand to improve future society. Meanwhile, greater efficiencies in wireless connectivity allow networks to drive higher data rates and enhance robust communications across 6G networks and the industrial internet-of-things.
Researchers from Tokyo Metropolitan University have created sheets of transition metal chalcogenide “cubes” connected by chlorine atoms. While sheets of atoms have been widely studied e.g. graphene, the team’s work breaks new ground by using clusters instead. The team succeeded in forming nanoribbons inside carbon nanotubes for structural characterization, while also forming microscale sheets of cubes which could be exfoliated and probed. These were shown to be an excellent catalyst for generating hydrogen.
The findings have been published in Advanced Materials (“Superatomic layer of cubic Mo 4 S 4 clusters connected by Cl cross-linking”).
„ and show the arrangement of the nanosheet when viewed from different directions, respectively. (Image: Tokyo Metropolitan University)
Given an open bounded subset Ω of $mathbbR^n$$ R n, which is convex and satisfies an interior sphere condition, we consider the pde $-\Delta_infty u = 1$$ — Δ ∞ u = 1 in Ω, subject to the homogeneous boundary condition u = 0 on ∂Ω. We prove that the unique solution to this Dirichlet problem is power-concave (precisely, 3/4 concave) and it is of class C 1(Ω).
We consider an infinite series, due to Ramanujan, which converges to a simple expression involving the natural logarithm. We show that Ramanujan’s series represents a completely monotone function, and explore some of its consequences, including a non-trivial family of inequalities satisfied by the natural logarithm, some formulas for the Euler–Mascheroni constant, and a recurrence satisfied by the Bernoulli numbers. We also provide a one-parameter generalization of Ramanujan’s series, which includes as a special case another related infinite series evaluation due to Ramanujan.
