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Physical Review Letters — Journal Summaries

AI-powered summaries of 4 videos about Physical Review Letters.

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Atomically Thin <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msub> <mml:mi>MoS</mml:mi> <mml:mn>2</mml:mn> </mml:msub> </mml:math> : A New Direct-Gap Semiconductor

Physical Review Letters · 2010 · 14,981 citations · 5 min read

This Physical Review Letters article asks a central question in two-dimensional (2D) materials science: how do the electronic and optical band...

Paper2D materialsSemiconductor physicsBand structure engineering

Restoring the Density-Gradient Expansion for Exchange in Solids and Surfaces

Physical Review Letters · 2008 · 11,450 citations · 5 min read

This paper addresses a central problem in density functional theory (DFT) for solids: common generalized gradient approximations (GGAs), especially...

PaperDensity functional theory (DFT)Exchange-correlation functionalsGeneralized gradient approximations (GGA)

Perfect Metamaterial Absorber

Physical Review Letters · 2008 · 7,353 citations · 5 min read

This paper asks how to design a metamaterial absorber that can absorb nearly all incident electromagnetic power within a single, subwavelength...

PaperMetamaterialsElectromagnetic absorbersMicrowave engineering

Well-Tempered Metadynamics: A Smoothly Converging and Tunable Free-Energy Method

Physical Review Letters · 2008 · 3,228 citations · 7 min read

This paper addresses a central problem in molecular simulation: how to compute the free-energy surface (FES) as a function of a small set of...

PaperComputational chemistryMolecular dynamicsFree-energy calculation