Browse Physics

Controlling the spin and geometric phase of electrons in a semiconductor ring.

A device that efficiently transfers single electrons from one grid point to another on the surface of liquid helium could provide a scalable way to make arrays of electron qubits.

Simulating part of a perovskite heterostructure with a polarizable gel reveals the instrinsic properties of a two-dimensional electron liquid.

Photoemission performed with circular polarized light can detect the chirality of electronic wave functions in single- and double-layer graphene.

Combining operations with one and two spin qubits may lead to superior quantum computers.

Measurement of the Coulomb drag correlation in a two-dimensional electron gas provides a quantitative explanation for the movement of electron-hole packets opposite to the expected direction.

The conversion of magnons into electron spin flips via spin pumping may allow for low-power spin-based data transmission schemes.

An ingenious experiment has probed the collective response of the quantum Hall stripe phase.

Electrons join the growing technology to build integrated quantum circuits that guide matter waves on a chip.

Researchers develop a new type of superconducting quantum interference device (SQUID) with significantly enhanced sensitivity and bandwidth, which can function as a general-purpose magnetic sensor.

A line defect that seems to naturally form in graphene grown on a nickel substrate may provide additional control of transport characteristics.

Strain can be used to shift the resonant frequency of electron spin to the point where quantum processing starts looking feasible.

Ensembles of dilute spin impurities in condensed matter systems can be accessed using microelectronic circuits and therefore may offer a way for long-term storage and enhanced processing of quantum information.

Theorists and experimentalists have long been trying to explain the existence of a fractional quantum Hall effect where it is not expected.

The first experimental observation of Landau levels in the surface states of a three-dimensional topological insulator confirms the levels obey unconventional quantization rules.

The exactly quantized magneto-optical response of a topological insulator is a direct result of the Berry phase protected states on its surface.

Theory that takes into account the time-dependent nature of electronic transport through a quantum dot reveals fluctuations that could affect rapid switching of nanoscale electronic devices.

The band structure of iron-based superconductors gives rise to yet another scenario for the appearance of Dirac fermions.

The race for realizing Majorana fermions—elusive particles that act as their own antiparticles—heats up, but we still await ideal materials to work with.

A new experiment shows that entangled electron pairs can be spatially split into different arms of a carbon nanotube. Is a nanotube quantum teleporter on the horizon?