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Quantum

Toward optical quantum computing

Ordinarily, light particles — photons — don’t interact. If two photons collide in a vacuum, they simply pass through each...

Toward mass-producible quantum computers

Quantum computers are experimental devices that offer large speedups on some computational problems. One promising approach to building them involves...

Sandwiched between superconductors, graphene adopts exotic electronic states

In normal conductive materials such as silver and copper, electric current flows with varying degrees of resistance, in the form...

All-optical band engineering of gapped Dirac materials

We demonstrate theoretically that the interaction of electrons in gapped Dirac materials (gapped graphene and transition-metal dichalchogenide monolayers) with a strong off-resonant electromagnetic...

From football to physics

Zachary Hulcher was once set on becoming a lawyer. In high school, he took part in mock trials and competed...

Robust Two-Dimensional Electronic Properties in Three-Dimensional Microstructures of Rotationally Stacked Turbostratic Graphene

Nils Richter1,2, Yenny R. Hernandez1,3,4, Sebastian Schweitzer5, June-Seo Kim1,5,6, Ajit Kumar Patra5,7, Jan Englert8, Ingo Lieberwirth3, Andrea Liscio9,10, Vincenzo Palermo9, Xinliang Feng3,11, Andreas Hirsch8,...

General Green’s function formalism for layered systems: Wave function approach

The single-particle Green's function (GF) of mesoscopic structures plays a central role in mesoscopic quantum transport. The recursive GF technique is a standard...

Interaction effects in a chaotic graphene quantum billiard

We investigate the local electronic structure of a Sinai-like, quadrilateral graphene quantum billiard with zigzag and armchair edges using scanning tunneling microscopy (STM)...

Publisher’s Note: Interpenetrating graphene networks: Three-dimensional node-line semimetals with massive negative linear compressibilities [Phys. Rev. B 94, 245422 (2016)]

Publisher's Note: Interpenetrating graphene networks: Three-dimensional node-line semimetals with massive negative linear compressibilities Yangzheng Lin, Zhisheng Zhao, Timothy A. Strobel, and R. E....

Ultrafast Multiphoton Thermionic Photoemission from Graphite

Graphene, a two-dimensional sheet of carbon atoms, is a remarkable material. It is strong, transparent, flexible, and an excellent conductor of electricity. These...

Deviation from the Normal Mode Expansion in a Coupled Graphene-Nanomechanical System

A significant deviation from the normal mode expansion is observed in the optomechanically measured thermal noise of a graphene membrane suspended on a...

Interpenetrating graphene networks: Three-dimensional node-line semimetals with massive negative linear compressibilities

We investigated the stability and mechanical and electronic properties of 15 metastable mixed sp2−sp3 carbon allotropes in the family of interpenetrating graphene networks...

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