News/Events

Prof. Mikhail Lukin's photo

Prof. Lukin Received the OSA Charles Hard Townes Medal 

February 11, 2021

Mikhail Lukin, has been selected as the 2021 recipient of The Optical Society (OSA) Charles Hard Townes Medal in honor of his pioneering theoretical and experimental contributions to quantum nonlinear optics and quantum information science and technology, and for the development and application of nanoscale quantum systems for sensing. He joins an esteemed group of past recipients recognized for their outstanding...

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Drawing of disclination in a square lattice

Medal for Exceptional Achievement in Research: Topology and other tools in condensed matter physics

December 2, 2020

Reviews of Modern Physics published an extended version of a talk by Prof. Bertrand Halperin, given at the March 2019 meeting of the American Physical Society, upon received the 2019 APS Medal for Exceptional Achievement in Research. 

The article summarizes some of Prof. Halperin's work in areas linked to topological aspects of classical and quantum physics. Topics include quantum Hall effects, as well as the theory of melting in to dimensions and effects of vortex motion in a thin superconductor or a superfluid film.

Read APS Bertrand I. Halperin, "Medal...

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The NEXT-White detector

Guenette Awarded a 2020 Synergy Grant by European Research Council

November 5, 2020

Prof. Roxanne Guenette, with colleagues Juan José Gómez Cádenas (Donostia International Physics Center) and Fernando P. Cossío (the University of the Basque Country), have been awarded a 2020 Synergy Grant by European Research Council (ERC) for their proposal of a background-free experiment to discover the nature of neutrinos based on single Barium Atom Light Detection.

The grants, €350 million in total, are intended to support scientific projects that address some of the world’s most formidable research problems spanning multiple scientific disciplines. Out of more than 440...

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Superspreading Events Without Superspreaders

Superspreading Events Without Superspreaders

October 26, 2020

Is a study posted on medRxiv, Prof. Mara Prentiss and two former Harvard physics students, Arthur Chu and Karl Berggren (MIT), analyzed transmission of COVID-19 using five well-documented case studies: a Washington state church choir, a Korean call center, a Korean exercise class, and two different Chinese bus trips. In all cases the likely index patients were pre-symptomatic or mildly symptomatic, which is when infective patients are most likely to interact with large groups of people. An estimate of N0, the characteristic number of COVID-19 virions needed to...

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Probing light-driven quantum materials with ultrafast resonant inelastic X-ray scattering

Probing light-driven quantum materials with ultrafast resonant inelastic X-ray scattering

October 19, 2020

Ultrafast optical pulses are an increasingly important tool for controlling quantum materials and triggering novel photo-induced phase transitions. Understanding these dynamic phenomena requires a probe sensitive to spin, charge, and orbital degrees of freedom. Time-resolved resonant inelastic X-ray scattering (trRIXS) is an emerging spectroscopic method, which responds to this need by providing unprecedented access to the finite-momentum fluctuation spectrum of photoexcited solids. In the latest issue of Communication Physics, Profs. Matteo Mitrano (Harvard) and Yao Wang (...

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QSC logo

Quantum Science Center: A Partnership to Drive the the Development of New Quantum Technologies

August 26, 2020

Professors Amir Yacoby and Prineha Narang (SEAS) have partnered with 15 institutions across the national lab, academia, and private industry landscapes to realize the potential of quantum information science through the establishment of the Quantum Science Center. 

Transforming the nation’s ability to innovate and, in turn, drive its economy in the 21st century requires revolutionary approaches to computing and sensing. In order to accelerate innovation, we need new technologies to accurately predict, detect, and model the complex world around us in areas such...

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Imaging Viscous Flow of the Dirac Fluid in Graphene

Imaging Viscous Flow of the Dirac Fluid in Graphene

July 23, 2020

It sounds like pure sorcery: using diamonds to observe invisible power swirling and flowing through carefully crafted channels. But these diamonds are a reality. [Harvard Physics Associate Mark J. H. Ku, and postdoc Tony Zhou, together with other members of Prof. Amir Yacoby's group, JQI Fellow Ronald Walsworth, and colleagues from several other institutions], have developed a way to use diamonds to see the elusive details of electrical currents.

The new technique gives researchers a map of the intricate movement of electricity in the microscopic world. The...

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Fig. 1a: chematic of TDBG with a twist angle θ.

Tunable Spin-Polarized Correlated States in Twisted Double Bilayer Graphene

July 9, 2020

Reducing the energy bandwidth of electrons in a lattice below the long-range Coulomb interaction energy promotes correlation effects. Moiré superlattices—which are created by stacking van der Waals heterostructures with a controlled twist angle—enable the engineering of electron band structure. Exotic quantum phases can emerge in an engineered moiré flat band. The recent discovery of correlated insulator states, superconductivity and the quantum anomalous Hall effect in the flat band of magic-angle twisted bilayer graphene has sparked the exploration of correlated electron states in...

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