Researchers engineer electrically tunable graphene devices to study rare physics

Journal Reference: M. Said Ergoktas, Sina Soleymani, Nurbek Kakenov, Kaiyuan Wang, Thomas B. Smith, Gokhan Bakan, Sinan Balci, Alessandro Principi, Kostya S. Novoselov, Sahin K. Ozdemir, Coskun Kocabas. Topological engineering of terahertz light using electrically tunable exceptional point singularities. Science, 2022; 376 (6589): 184 DOI: 10.1126/science.abn6528 The work could advance optoelectronic technologies to better generate, … Read more

Lottery luck in the light of physics: Researchers present theory on the dynamics of many-particle systems

Journal Reference: Matthias Schmidt. Power functional theory for many-body dynamics. Reviews of Modern Physics, 2022; 94 (1) DOI: 10.1103/RevModPhys.94.015007 A many-particle system is in thermal equilibrium when the temperature in its interior is balanced and no heat flows take place. This does not necessarily mean that the system is in a rigid state of rest. … Read more

Making physics instruction more equitable

Journal Reference: Clausell Mathis, Sherry Southerland. Our Shifting Understandings of Culturally Relevant Pedagogy in Physics. The Physics Teacher, 2022; 60 (4): 260 DOI: 10.1119/5.0027583 In The Physics Teacher, copublished by AIP Publishing and American Association of Physics Teachers, researchers from the University of Washington and Florida State University explore the goal of culturally relevant pedagogy, … Read more

Quantum physics sets a speed limit to electronics

Journal Reference: M. Ossiander, K. Golyari, K. Scharl, L. Lehnert, F. Siegrist, J. P. Bürger, D. Zimin, J. A. Gessner, M. Weidman, I. Floss, V. Smejkal, S. Donsa, C. Lemell, F. Libisch, N. Karpowicz, J. Burgdörfer, F. Krausz, M. Schultze. The speed limit of optoelectronics. Nature Communications, 2022; 13 (1) DOI: 10.1038/s41467-022-29252-1 How fast can … Read more

Physics race pits Usain Bolt against Jurassic Park dinosaur

Journal Reference: Scott A. Lee. Would Usain Bolt Beat the Dinosaur Dilophosaurus Wetherilli in a 100-Meter Race. The Physics Teacher, 2022; 60 (3): 169 DOI: 10.1119/5.0041057 Scott Lee is a physics professor at the University of Toledo who has developed numerous learning activities to help intro-level students get enthusiastic about the topic. His latest innovative … Read more

Making range, fairness, inclusion integral part of physics education

Journal Reference: Martha-Elizabeth Baylor, Jessica R. Hoehn, Noah Finkelstein. Infusing Equity, Diversity, and Inclusion Throughout Our Physics Curriculum: (Re)defining What It Means to Be a Physicist. The Physics Teacher, 2022; 60 (3): 172 DOI: 10.1119/5.0032998 In The Physics Teacher, by AIP Publishing, scientists from Carleton College and the University of Colorado Boulder are helping to … Read more

Ultraprecise atomic clock poised for new physics discoveries

Journal Reference: Zheng, X., Dolde, J., Lochab, V. et al. Differential clock comparisons with a multiplexed optical lattice clock. Nature, 2022 DOI: 10.1038/s41586-021-04344-y Their instrument, known as an optical lattice atomic clock, can measure differences in time to a precision equivalent to losing just one second every 300 billion years and is the first example … Read more

Scientists develop ‘distinctive’ surface to explore exotic physics

Journal Reference: S. Soleymani, Q. Zhong, M. Mokim, S. Rotter, R. El-Ganainy, Ş. K. Özdemir. Chiral and degenerate perfect absorption on exceptional surfaces. Nature Communications, 2022; 13 (1) DOI: 10.1038/s41467-022-27990-w Reported in Nature Communications, the Penn State, Michigan Technological University and Vienna University of Technology researchers created a stable surface of ‘exceptional’ points — notoriously … Read more

Ocean physics explain cyclones on Jupiter

Journal Reference: Siegelman, L., Klein, P., Ingersoll, A.P. et al. Moist convection drives an upscale energy transfer at Jovian high latitudes. Nat. Phys., 2022 DOI: 10.1038/s41567-021-01458-y Lead author Lia Siegelman, a physical oceanographer and postdoctoral scholar at Scripps Institution of Oceanography at the University of California San Diego, decided to pursue the research after noticing … Read more

Sensor based on quantum physics could detect SARS-CoV-2 virus

Journal Reference: Changhao Li, Rouhollah Soleyman, Mohammad Kohandel, Paola Cappellaro. SARS-CoV-2 Quantum Sensor Based on Nitrogen-Vacancy Centers in Diamond. Nano Letters, 2021; DOI: 10.1021/acs.nanolett.1c02868 The new approach is described in a paper published in the journal Nano Letters, by Changhao Li, an MIT doctoral student; Paola Cappellaro, a professor of nuclear science and engineering and … Read more