News tagged with quantum systems

Quantum oscillator responds to pressure

In the far future, superconducting quantum bits might serve as components of high-performance computers. Today already do they help better understand the structure of solids, as is reported by researchers ...

Oct 14, 2012
5 / 5 (2) 0 | with audio podcast

Qubits in the quantum sea

(Phys.org)—"Quantum weirdness," a phrase related to the power and the un-intuitive nature of quantum reality, is expected to facilitate speeded-up computation—quantum computing—for performing certain ...

Sep 10, 2012
4.5 / 5 (6) 0 | with audio podcast

Measuring quantum dimensions

(Phys.org) -- A new study from the ICFO (Institute of Photonic Sciences) in Barcelona and the University of Bristol has demonstrated how the dimension of an unknown quantum system can be assessed from measurement data alone. ...

Jun 18, 2012
4.6 / 5 (11) 0 | with audio podcast

A magnetic approach to lattices

(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...

May 22, 2012
5 / 5 (4) 0 | with audio podcast

Simplicity and quantum complexity

Simulations of reality would require less memory on a quantum computer than on a classical computer, new research from scientists at the University of Bristol, published in Nature Communications, has shown.

May 04, 2012
4.5 / 5 (8) 11 | with audio podcast

Quantum copies do new tricks

One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...

Mar 22, 2012
4.2 / 5 (13) 22 | with audio podcast

Electrical circuits talk to single atoms

(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...

Mar 06, 2012
5 / 5 (4) 2 | with audio podcast

Argon cleaning helps trapped ions chill out

(PhysOrg.com) -- The reliability of trapped-ion quantum information systems – a promising candidate technology for an eventual quantum computer – can be dramatically improved by giving the trap electrodes ...

Feb 28, 2012
not rated yet 0 | with audio podcast