Search results for auxiliary particle

Environment Oct 22, 2020

Waste-to-energy plants add to Delhi's pollution woes

An official report admitting to toxic emissions being generated by three waste-to-energy (WtE) plants operating in the Indian capital has thrown a question mark on the future of WtE incinerators as a way to deal with the ...

General Physics Sep 14, 2020

Infinite chains of hydrogen atoms have surprising properties, including a metallic phase

An infinite chain of hydrogen atoms is just about the simplest bulk material imaginable—a never-ending single-file line of protons surrounded by electrons. Yet a new computational study combining four cutting-edge methods ...

Quantum Physics Aug 10, 2020

Time-reversal of an unknown quantum state

Physicists have long sought to understand the irreversibility of the surrounding world and have credited its emergence to the time-symmetric, fundamental laws of physics. According to quantum mechanics, the final irreversibility ...

Quantum Physics Mar 13, 2020

Initialization of quantum simulators by sympathetic cooling

Simulating computationally complex many-body problems on a quantum simulator has great potential to deliver insights into physical, chemical and biological systems. Physicists had previously implemented Hamiltonian dynamics ...

Quantum Physics Mar 12, 2020

Perturbation-free studies of single molecules

Researchers of the University of Basel have developed a new method with which individual isolated molecules can be studied precisely—without destroying the molecule or even influencing its quantum state. This highly sensitive ...

Quantum Physics Feb 20, 2020

10,000 times faster calculations of many-body quantum dynamics possible

How an electron behaves in an atom, or how it moves in a solid, can be predicted precisely with the equations of quantum mechanics. These theoretical calculations agree fully with the results obtained from experiments. But ...

Materials Science Jan 28, 2020

The most beautiful solar cells are inspired by nature

Organic solar cells are usually less effective than silicon solar cells. But there is still a market for them—and they're beautiful and exciting.

Quantum Physics Aug 23, 2019

Complex quantum teleportation achieved for the first time

Austrian and Chinese scientists have succeeded in teleporting three-dimensional quantum states for the first time. High-dimensional teleportation could play an important role in future quantum computers.

General Physics Aug 20, 2019

Toward an 'orrery' for quantum gauge theory

Physicists at ETH Zurich have developed a new approach to couple quantized gauge fields to ultracold matter. The method might be the basis for a versatile platform to tackle problems ranging from condensed-matter to high-energy ...

Social Sciences Aug 8, 2019

Great Scots! 'it's' a unique linguistic phenomenon

A new study reveals that in a number of varieties of English spoken in Scotland, the rules of contraction (it's for it is) seem to differ unexpectedly, and asserts that such differences may shed new light on our understanding ...

page 3 from 6