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2,573 articles

Arbitrary quantum channel simulation for a superconducting qubit
Jan 14, 2019 (SPX)
The experimental studies on the quantum channel will not only deepen our understanding of the quantum open system, but also improve our ability to control the e...
More stable light comes from intentionally 'squashed' quantum dots
Jan 11, 2019 (SPX)
The squashed dots emit spectrally narrow light with a highly stable intensity and a non-fluctuating emission energy. New research at Los Alamos National Laborat...
Spintronics 'miracle material' put to the test
Jan 11, 2019 (SPX)
In 2017, University of Utah physicist Valy Vardeny called perovskite a "miracle material" for an emerging field of next-generation electronics, called spintroni...
Saving energy by taking a close look inside transistors
Jan 11, 2019 (SPX)
Boosting the efficiency of power electronic devices is one way to save energy in our highly technological world. It is these components which ensure that power ...
Quantum scientists demonstrate world-first 3D atomic-scale quantum chip architecture
Jan 08, 2019 (SPX)
The team of researchers, led by 2018 Australian of the Year and Director of CQC2T Professor Michelle Simmons, have demonstrated that they can extend their atomi...
Machine learning and quantum mechanics team up to understand water at the atomic level
Jan 08, 2019 (SPX)
But there is a catch. As the number of electrons and nuclei increases, the complexity involved soon become intractable even with the fastest supercomputers, and...
Excitons pave the way to more efficient electronics
Jan 07, 2019 (SPX)
This can lead to a new generation of electronic devices with transistors that undergo less energy loss and heat dissipation. The scientists' discovery forms par...
Quantum chemistry on quantum computers
Jan 03, 2019 (SPX)
Researchers from Osaka City University (OCU) in Japan, Dr. K. Sugisaki, Profs. K. Sato and T. Takui and coworkers have found a novel quantum algorithm enabling ...
Physicists record 'lifetime' of graphene qubits
Jan 01, 2019 (SPX)
Superconducting quantum bits (simply, qubits) are artificial atoms that use various methods to produce bits of quantum information, the fundamental component of...
Russian researchers explore the prospects for creating photonic integrated circuits
Jan 01, 2019 (SPX)
Photonic integrated circuits (PICs) are already used today for transmitting and processing signals in optical networks and communication systems, including, for...
Electronics of the future: A new energy-efficient mechanism using the Rashba effect
Dec 28, 2018 (SPX)
Conventional electronics is based on the movement of electrons and mainly concerns their electric charge; unfortunately, we are close to reaching the physical l...
Quantum Maxwell's demon 'teleports' entropy out of a qubit
Dec 27, 2018 (SPX)
The second law says that the entropy - that is, the degree of disorder or randomness - of an isolated system never decreases. "Our demon causes a device called ...
Technique allows integration of single-crystal hybrid perovskites into electronics
Dec 19, 2018 (SPX)
Hybrid perovskite materials contain both organic and inorganic components and can be synthesized from inks, making them amenable to large-area roll-to-roll fabr...
Studying how unconventional metals behave, with an eye on high-temperature superconductors
Dec 17, 2018 (SPX)
The results may help explain how certain types of superconductors made from copper oxides are able to conduct electricity so efficiently. The research was publi...
Quantum chemical calculations on quantum computers
Dec 17, 2018 (SPX)
SE is "First Principle" of non-relativistic quantum mechanics, whose solutions termed wave-functions can afford any information of electrons within atoms and mo...
When heat ceases to be a mystery, spintronics becomes more real
Dec 14, 2018 (SPX)
Spintronics has been proposed as a successor of the omnipresent electronics. In spintronic devices, electric currents are being replaced by spin currents. One p...
Electronic evidence of non-Fermi liquid behaviors in an iron-based superconductor
Dec 13, 2018 (SPX)
In the normal state, there is a well-defined Fermi surface and well-defined quasiparticles on the Fermi surface. Superconductivity is realized by the instabilit...
Copper compound as promising quantum computing unit
Dec 13, 2018 (SPX)
This has not kept researchers around the world away from developing and optimising new ideas for individual components. Chemists at Friedrich Schiller Universit...
Two-dimensional materials skip the energy barrier by growing one row at a time
Dec 12, 2018 (SPX)
Just as children follow a rule to line up single file after recess, some materials use an underlying rule to assemble on surfaces one row at a time, according t...
Harnessing the power of 'spin orbit' coupling in silicon: Scaling up quantum computation
Dec 12, 2018 (SPX)
Spin-orbit coupling, the coupling of the qubits' orbital and spin degree of freedom, allows the manipulation of the qubit via electric, rather than magnetic-fie...
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