Browse Physics

A. J. Schofield, Physics 2, 93 (2009) – Published November 9, 2009

Magnetism Superconductivity

A theory of novel phase formation near quantum critical points suggests that large fluctuations lead to magnetic analogs of inhomogeneous superconductivity.

Fernando Luis, Physics 2, 75 (2009) – Published September 14, 2009

Magnetism Nanophysics Spintronics

A microscopic study of magnetic nanoislands on a surface challenges the widely held view that all atoms in a relaxing nanoparticle flip their spins in unison.

Riccardo Hertel, Physics 2, 73 (2009) – Published September 8, 2009

Optics Magnetism

Magnetic switching is typically a continuous process, where a field pulse rotates a magnet from up to down, but it is now possible to do this faster — and with all-optical methods — by first quenching the magnetization to zero and then repolarizing it in the opposite direction.

Fiona J. Burnell, Shivaji L. Sondhi, Physics 2, 49 (2009) – Published June 15, 2009

Magnetism Semiconductor Physics Mesoscopics

The fractional quantum Hall effect, thought to be special to two dimensions, may also flourish in three, providing a possible explanation for anomalies observed in certain 3D materials in high magnetic fields.

Carsten Timm, Physics 2, 35 (2009) – Published May 4, 2009

Magnetism

Transport measurements show evidence of a topologically nontrivial structure—a lattice of skyrmions—in intermetallic MnSi.

Jason R. Petta, Physics 2, 27 (2009) – Published April 6, 2009

Magnetism Semiconductor Physics

A quantum dot refrigerator that cools an electron gas close to 100 mK may allow experimentalists to better probe electron-electron interactions in quantum confined systems.

José María De Teresa, Physics 2, 13 (2009) – Published February 17, 2009

Magnetism Spintronics

Using a double spin-filter tunnel junction consisting of two magnetic insulating layers, researchers have observed a sizeable magnetoresistance without using magnetic electrodes, thus tuning the tunneling via the magnetic state of the insulating layers and by application of an electric voltage.

Mathias Kläui, Physics 1, 17 (2008) – Published September 2, 2008

Magnetism Nanophysics

Most applications based on magnetism are incompatible with domain walls, which interrupt a homogeneous magnetization. Scientists are turning this view around as they discover new ways to use an electric current to manipulate and store information in nanoscale domain walls.