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A puppet theater group in Finland has created the world's smallest puppet theater after consulting with physicists around the world, including the Cohen Lab and other scientists at Cornell.
If “femininity” and “physicist” cannot coexist even in Barbieland, how are we ever to support their coexistence in the real world, Natasha Holmes asks.
A Cornell research team has developed a new way to design complex microscale machines, one that draws inspiration from the operation of proteins and hummingbird beaks. The group’s paper, “Bifurcation Instructed Design of Multistate Machines,” published Aug. 14 in Proceedings of the National Academy of Sciences. The lead author is Itay Griniasty, a Schmidt AI postdoctoral fellow in the lab of Itai Cohen, professor of physics in the College of Arts and Sciences.
Social phenomena occur when many individuals interact. Societies develop characters that depend on demographics, population density, and the environment. In the real Quantum Realm (as opposed to that of the Marvel movies), electrons form societies whose character depends on the interaction among constituents and the effect of their environment. The characteristics of electron communities manifest through material properties. While human activities can be easily surveilled, the fundamental laws of quantum mechanics, the uncertainty principle, forbids complete surveillance of electrons. In this talk, Kim discusses how we observe and simulate the fundamentally mystical life of electrons to understand and predict the characters of various electron societies in the real quantum realm. Kim also talks about how AI tools can help in this challenging endeavor.
Cornell researchers used magnetic imaging to obtain the first direct visualization of how electrons flow in quantum anomalous Hall insulators, and by doing so they discovered the transport current moves through the interior of the material.
Cornell researchers validate key features of a novel unconventional superconductor and a fundamentally new phase of matter has been identified in topological superconductors. The findings are published in the paper, “Detection of a Pair Density Wave State in UTe2,” published 29 June in Nature. Cooper-pair density waves are a form of electronic quantum matter in which pairs of electrons, instead of forming a conventional “superconductive” fluid where all are in the same freely moving state, freeze into a superconductive electron-pair crystal called a pair density wave state.
Like light switches, transistors control the flow of electric currents. Transistors are the fundamental building blocks of any computing device, from smartphones to the computers in cars. According to Phuong Nguyen, a PhD candidate under the direction of Kin Fai Mak, Physics, and Jie Shan, Applied Engineering and Physics, we could possibly fit billions or even trillions more transistors into a device, creating a computer that is ultrafast and consumes less energy. The key: two-dimensional materials.
A novel called "Spiral" written by Paul McEuen gets brought in with 13 other Cornell novels!
Natasha Holmes has been named Ann S. Bowers Associate Professor, and Kin Fai Mak is the inaugural Josephson Family Professor. These professorships are possible because of generous gifts from alumni, parents and friends. Those gifts allow the College to replace retiring faculty, recruit stellar new faculty and recognize and retain mid-career and senior faculty to provide leadership across the disciplines and in areas of strategic importance.
Assistant Professor Debanjan Chowdhury is one of two LASSPers to receive a 2023 A&S New Frontier grant for a project. His project, titled “Probing dynamics of electronic quantum crystals on near-term quantum computers,” will study a special class of quantum magnets using noisy intermediate-scale quantum computing (NISQ) devices.