Search results for qubits

Quantum Physics Apr 1, 2011

14 quantum bits: Physicists go beyond the limits of what is currently possible in quantum computation

(PhysOrg.com) -- Quantum physicists from the University of Innsbruck (Austria) have set another world record: They have achieved controlled entanglement of 14 quantum bits (qubits) and, thus, realized the largest quantum ...

Quantum Physics Feb 10, 2022

System Model H1 beats classical system at game designed to test quantum mechanics

Some might view games as merely entertainment but for professor Emanuele Dalla Torre at Bar-Ilan University in Israel and his team, playing games is useful for measuring the effectiveness of today's commercial quantum computers.

Optics & Photonics Mar 3, 2021

Researchers realize quantum communications milestone using light

Few terms are more ubiquitous in the scientific arena these days than "quantum."

Quantum Physics Apr 29, 2019

Physicists set a new record of quantum memory efficiency

Like memory in conventional computers, quantum memory components are essential for quantum computers—a new generation of data processors that exploit quantum mechanics and can overcome the limitations of classical computers. ...

Quantum Physics Oct 26, 2018

Shielded quantum bits

A theoretical concept to realize quantum information processing has been developed by Professor Guido Burkard and his team of physicists at the University of Konstanz. The researchers have found ways to shield electric and ...

General Physics May 26, 2017

Three teams find a way to measure frequencies with far better precision than previous techniques

(Phys.org)—Three teams working independently have found a nearly identical way to boost the resolution of quantum magnetic sensors, allowing frequency measurements with far higher precision than previous techniques. Two ...

Quantum Physics Aug 12, 2014

Beyond six nines: Ultra-enriched silicon paves the road to quantum computing

(Phys.org) —Using a relatively straightforward technique, a team of NIST researchers has created what may be the most highly enriched silicon currently being produced. The material is more than 99.9999% pure silicon-28 ...

Quantum Physics Jun 16, 2014

Pairing up single atoms in silicon for quantum computing

(Phys.org) —Australian engineers detect in real-time the quantum spin properties of a pair of atoms inside a silicon chip, and disclose new method to perform quantum logic operations between two atoms.

Quantum Physics Mar 26, 2013

Researchers develop quantum computer algorithm for counting prime numbers

(Phys.org) —Two math and physics researchers from the University's of Barcelona and Madrid respectively have developed an algorithm to count prime numbers using a quantum computer. José Latorre and Germán Sierra describe ...

Quantum Physics Apr 27, 2011

Sensitivity of precision measurements enhanced by the environment

(PhysOrg.com) -- When it comes to quantum measurements, interaction with the environment usually limits sensitivity, since it causes decoherence. But in a new study, scientists have shown that the environment can be advantageous. ...

page 20 from 40