Search results for qubits

Quantum Physics Nov 9, 2021

Using new quantum computing architectures to create time crystals

UC Berkeley physicist Norman Yao first described five years ago how to make a time crystal—a new form of matter whose patterns repeat in time instead of space. Unlike crystals of emerald or ruby, however, those time crystals ...

Quantum Physics Oct 28, 2021

Researchers develop a new way to control and measure energy levels in a diamond crystal

Physicists and engineers have long been interested in creating new forms of matter, those not typically found in nature. Such materials might find use someday in, for example, novel computer chips. Beyond applications, they ...

Quantum Physics Aug 13, 2021

A complete platform for quantum computing

In a new groundbreaking work, researchers from DTU have now realized the complete platform for an optical quantum computer. The platform is universal and scalable, it all takes place at room temperature, and the technology ...

Quantum Physics Jul 1, 2021

Scientists advance the understanding of potential topological quantum bits

Quantum computers promise great advances in many fields—from cryptography to the simulation of protein folding. Yet, which physical system works best to build the underlying quantum bits is still an open question. Unlike ...

Quantum Physics Jun 1, 2021

Researchers demonstrate a quantum advantage

Quantum computing and quantum sensing have the potential to be vastly more powerful than their classical counterparts. Not only could a fully realized quantum computer take just seconds to solve equations that would take ...

General Physics Mar 10, 2021

Creating a new type of computing that's 'naturally probabilistic'

"You see, nature is unpredictable. How do you expect to predict it with a computer?" said American physicist Richard Feynman before computer scientists at a conference in 1981.

Quantum Physics Dec 17, 2020

Tiny quantum computer solves real optimization problem

Quantum computers have already managed to surpass ordinary computers in solving certain tasks—unfortunately, totally useless ones. The next milestone is to get them to do useful things. Researchers at Chalmers University ...

Quantum Physics Jul 29, 2020

Simulating quantum 'time travel' disproves butterfly effect in quantum realm

Using a quantum computer to simulate time travel, researchers have demonstrated that, in the quantum realm, there is no "butterfly effect." In the research, information—qubits, or quantum bits—'time travel' into the simulated ...

Quantum Physics Mar 3, 2020

Less is more for Maxwell's Demon in quantum heat engines

Over 150 years after the famous Scottish scientist James Clerk Maxwell first introduced the idea, the concept of Maxwell's demon continues to perplex physicists and information scientists. The demon he dreamed up in a thought ...

Quantum Physics Feb 4, 2020

Quantum computers flip the script on spin chemistry

To build cheaper and more efficient sustainable energy options, we need to know a lot more than we currently do about the chemical reactions that convert solar energy into electricity. One of the best ways to do that is through ...

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