QUROPE Quantum Information Processing and Communication in Europe

Nanomechanical resonators probe helium-4 at record low temperatures in a proof-of-concept experiment demonstrating the potential to explore fundamental properties of quantum fluids.

[Physics] Published Wed Jul 17, 2019

The motion of hovering nanoparticles might reveal that quantum wave functions collapse spontaneously, but three common measurement methods are not ready for prime time.

[Physics] Published Tue Jul 16, 2019

Author(s): Pierre Dubé

An aluminum ion clock has a fractional-frequency uncertainty of less than one part in 1018, a four-decades-long goal in precision.

[Physics 12, 79] Published Mon Jul 15, 2019

Author(s): David Ehrenstein

Liquid droplets bouncing on a vibrating liquid surface can execute a surprising cycle, alternating between moving and standing still.

[Physics 12, 80] Published Fri Jul 12, 2019

Physicists develop a theory to make the seemingly random, thermally driven motion of particles in fluids predictable.

[Physics] Published Thu Jul 11, 2019

Author(s): Eric Armengaud

An interpretation of the black hole image taken by the Event Horizon Telescope hints of new constraints on the mass of dark matter.

[Physics 12, 78] Published Wed Jul 10, 2019

3D-printed acoustic lenses can improve the performance of ultrasound beams targeting the brain by correcting for the effect of the skull.

[Physics] Published Wed Jul 10, 2019

Using ideas from topological materials, researchers propose a way to quantize work.

[Physics] Published Tue Jul 09, 2019

Researchers say they are close to simulating high-temperature superconductivity using a lattice of ultracold atoms, a step toward explaining this perfectly conducting state.

[Physics 12, 76] Published Mon Jul 08, 2019

Author(s): Michael Schirber

A new way of probing molecules with handedness involves a light pulse in which the polarization changes in the middle of a single wave cycle.

[Physics 12, 77] Published Mon Jul 08, 2019

When particles such as cells or a biological molecules leave chemical trails, a variety of clustering behaviors result, according to simulations.

[Physics] Published Wed Jul 03, 2019

Calculations show that the number of white filaments springing from the top of a dandelion seed is optimized for steady flight, allowing the seeds to cruise long distances through the air.

[Physics] Published Tue Jul 02, 2019

Researchers synchronize the motion of two nanosized photonic crystals, showing that their “swings” match those seen for larger oscillators, such as the pendulums in grandfather clocks.

[Physics] Published Mon Jul 01, 2019

Author(s): Maria Schuld, Ilya Sinayskiy, and Francesco Petruccione

Simulating a quantum system that exchanges energy with the outside world is notoriously hard, but the necessary computations might be easier with the help of neural networks.

[Physics 12, 74] Published Fri Jun 28, 2019

Author(s): Philip Ball

A spacecraft solar cell design uses a temperature-sensitive polymer to expand the panel’s surface area by 10 times in 40 seconds.

[Physics 12, 75] Published Fri Jun 28, 2019

Physicist Pupa Gilbert explains her fascination with the patterns and structures that form in the minerals made by living organisms.

[Physics 12, 73] Published Thu Jun 27, 2019

Author(s): Jaka Tušek and Nini Pryds

A newly designed alloy exhibits a “colossal” elastocaloric effect—a temperature change under strain—making it a good candidate for an environmentally friendly type of cooling.

[Physics 12, 72] Published Wed Jun 26, 2019

Bending a stack of metal oxide sheets can alter the electrical resistance of a 2D electron gas that resides within.

[Physics] Published Wed Jun 26, 2019

A theoretical study suggests that “continuous variable” quantum key distribution—an approach to quantum cryptography compatible with telecom networks—could be made absolutely secure against hacking.

[Physics] Published Tue Jun 25, 2019

Author(s): Eva Kanso and Alecia N. Septer

Fluid flows induced by nutrient gradients in the vicinity of microbial colonies help direct the expansion of those microbes into new territory.

[Physics 12, 71] Published Mon Jun 24, 2019