Resources

Publications

  • Green Bank and Effelsberg Radio Telescope Searches for Axion Dark Matter Conversion in Neutron Star Magnetospheres

    Author(s): Joshua W. Foster, Yonatan Kahn, Oscar Macias, Zhiquan Sun, Ralph P. Eatough, Vladislav I. Kondratiev, Wendy M. Peters, Christoph Weniger, and Benjamin R. Safdi Radio observations of neutron stars demonstrate a way to search for axions through their expected conversion to electromagnetic waves in a star’s magnetic field. [Phys. Rev. Lett. 125, 171301] Published Tue Oct 20, 2020

  • SENSEI: Direct-Detection Results on sub-GeV Dark Matter from a New Skipper CCD

    Author(s): Liron Barak, Itay M. Bloch, Mariano Cababie, Gustavo Cancelo, Luke Chaplinsky, Fernando Chierchie, Michael Crisler, Alex Drlica-Wagner, Rouven Essig, Juan Estrada, Erez Etzion, Guillermo Fernandez Moroni, Daniel Gift, Sravan Munagavalasa, Aviv Orly, Dario Rodrigues, Aman Singal, Miguel Sofo Haro, Leandro Stefanazzi, Javier Tiffenberg, Sho Uemura, Tomer Volansky, and Tien-Tien Yu (SENSEI Collaboration) A new sensor provides world-leading...

  • Overdoping Graphene Beyond the van Hove Singularity

    Author(s): Philipp Rosenzweig, Hrag Karakachian, Dmitry Marchenko, Kathrin Küster, and Ulrich Starke New experiments with doped graphene take the two-dimensional material beyond its “Van Hove singularity” to regions that may host exotic states of matter. [Phys. Rev. Lett. 125, 176403] Published Mon Oct 19, 2020

  • Why Two-Dimensional Semiconductors Generally Have Low Electron Mobility

    Author(s): Long Cheng, Chenmu Zhang, and Yuanyue Liu The density of scattering determines why electron mobility at room temperature in two-dimensional semiconductors is typically lower than that in silicon. [Phys. Rev. Lett. 125, 177701] Published Mon Oct 19, 2020

  • Cluster Frustration in the Breathing Pyrochlore Magnet ${\mathrm{LiGaCr}}_{4}{\mathrm{S}}_{8}$

    Author(s): Ganesh Pokharel, Hasitha Suriya Arachchige, Travis J. Williams, Andrew F. May, Randy S. Fishman, Gabriele Sala, Stuart Calder, Georg Ehlers, David S. Parker, Tao Hong, Andrew Wildes, David Mandrus, Joseph A. M. Paddison, and Andrew D. Christianson A frustrated magnetic phase of ferromagnetic clusters in the breathing pyrochlore material LiGaCr4S8 is revealed by inelastic neutron scattering. [Phys. Rev. Lett. 125, 167201] Published...

  • Demonstration of Muon-Beam Transverse Phase-Space Compression

    Author(s): A. Antognini, N. J. Ayres, I. Belosevic, V. Bondar, A. Eggenberger, M. Hildebrandt, R. Iwai, D. M. Kaplan, K. S. Khaw, K. Kirch, A. Knecht, A. Papa, C. Petitjean, T. J. Phillips, F. M. Piegsa, N. Ritjoho, A. Stoykov, D. Taqqu, and G. Wichmann (muCool Collaboration) An important step towards a high brightness, low energy, muon beam is achieved by compressing a positive muon beam from a vertical spread of 10 mm to 0.7 mm within a few...

  • Topological Phase Transitions in Disordered Electric Quadrupole Insulators

    Author(s): Chang-An Li, Bo Fu, Zi-Ang Hu, Jian Li, and Shun-Qing Shen The quantization of electric quadrupole moments is protected by chiral symmetry even in the presence of strong disorder. [Phys. Rev. Lett. 125, 166801] Published Thu Oct 15, 2020
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