Browse Physics

The so-far disappointingly short lifetime of spin-polarized currents in graphene may be the result of magnetic defects.

A strongly driven single-ion qubit offers a method for performing spectrum analysis with high resolution.

A new scheme exploiting the orbital rather than the spin degree of freedom allows for studying the Kondo effect without disturbing it.

Manganese defects in zinc oxide have been identified as a class of electrically controllable qubits.

An ultra-high-speed camera has captured the cooling of surface electrons in topological insulators.

Controlling the surface termination of a material with a large spin-orbit effect could provide a way to select a particular spin state for spintronic devices.

Terahertz radiation can control electron transport through quantum dots.

Microscopic distribution of alloy constituents explains the puzzling magnetic anisotropy in (Ga,Mn)As films.

Spin-noise spectroscopy reveals a functional transition in the spin decay of quantum dots.

The substrate turns out to have a significant effect on thermally driven spin transport in thin films.

Tweaking the bulk properties of a topological insulator reveals the behavior of its surface states.

A new technique amplifies spin waves electronically and does not rely on external microwave sources.

A detailed investigation shows that the topological Anderson insulator phase is not distinct but part of the quantum spin-Hall phase.

Surface termination is used to chemically control the state of nitrogen-vacancy centers in diamond.

A ferromagnetic semiconductor device combines memory and logic in a single architecture.

A new probe of magnetic monopoles in momentum space is proposed.

Dopant impurities may adversely affect the coherence of quantum bits in even highly purified silicon wafers.

Optical tuning of resonant NMR frequencies of nuclear spins in a single quantum dot achieves spatial resolution below the size of the dot.

In a prototype spintronics device, a magnetic island keeps electrons’ spins polarized as they traverse a semiconductor strip.

Spins in a graphene quantum dot display properties surprisingly similar to those in semiconductor dots, but with potential for longer coherence times.