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Physics

Condensed matter

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Displaying 151 - 175 of 2290

Distinct Contact Scaling Effects in MoS2 Transistors Revealed with Asymmetrical Contact Measurements

February 27, 2023
Author(s)
Zhihui Cheng, Curt A. Richter, Hattan Abuzaid, Jonathan Backman, Mathieu Luisier, Huairuo Zhang, Albert Davydov, Guoqing Li, Yifei Yu, Linyou Cao, Aaron Franklin
Two-dimensional (2D) materials have great potential for use in future electronics due to their atomic thin nature which withstands short channel effects and thus enables better scalability. Since improved scalability is the core advantage, both the channel

Self-dual quasiperiodic percolation

February 27, 2023
Author(s)
Grace Sommers, Michael Gullans, David Huse
How does the percolation transition behave in the absence of quenched randomness? To address this question, we study a nonrandom self-dual quasiperiodic model of square-lattice bond percolation. Through a numerical study of cluster sizes and wrapping

Topological charge pumping with subwavelength Raman lattices

February 15, 2023
Author(s)
Ian Spielman, Gediminas Juzeliunas, Domantas Burba, mantas Raciunas
Recent experiments demonstrated deeply subwavelength lattices using atoms with $N$ internal states Raman-coupled with lasers of wavelength $\lambda$. The resulting unit cell was $\lambda/2N$ in extent, an $N$-fold reduction compared to the usual $\lambda/2

All optical operation of a superconducting photonic interface

February 2, 2023
Author(s)
Frederik Thiele, Thomas Hummel, Adam McCaughan, Julian Brockmeier, Maximilian Protte, Victor Quiring, Sebastian Lengeling, Christof Eigner, Christine Silberhorn, Tim Bartley
Advanced electro-optic processing combines electrical control with optical modulation and detection. For quan-tum photonic applications these processes need to be carried out at the single photon level with high efficiencyand low decoherence. Integrated

Ubiquitous Spin Freezing in the Superconducting State of UTe2

February 1, 2023
Author(s)
Shyam Sundar, Nasrin Azari, Mariah Goeks, Shayan Gheidi, Mae Abedi, Michael Yakovlev, Sarah Dunsiger, John Wilkinson, Stephen Blundell, Tristin Metz, Ian Hayes, Shanta Saha, Sangyun Lee, Andrew Woods, Roman Movshovich, Sean Thomas, Nicholas Butch, Priscila Rosa, Johnpierre Paglione, Jeff Sonier

Geometrical Frustration Versus Kitaev Interactions in BaCo 2 (AsO 4 ) 2

January 10, 2023
Author(s)
Thomas Halloran, Felix Desrochers, Emily Zhang, Tong Chen, Li E. Chern, Zhijun Xu, Barry Winn, Melissa Graves-Brook, M. B. Stone, Alexander I. Kolesnikov, Yiming Qiu, Ruidan Zhong, Robert Cava, Yong Kim, Collin L. Broholm
Recently, Co-based honeycomb magnets have been proposed as promising candidate materials to host the Kitaev spin liquid state. One of the front-runners is BaCo 2(AsO 4) 2 (BCAO), where it was suggested that the exchange processes between Co 2+ ions via the

Tailoring the Magnetic Exchange Interaction in MnBi2Te4 Superlattices via the Intercalation of Ferromagnetic Layers

January 1, 2023
Author(s)
Peng Chen, Qi Yao, Junqi Xu, Qiang Sun, Alexander Grutter, Patrick Quarterman, Purnima P. Balakrishnan, Christy J. Kinane, Andrew J. Caruana, Sean Langridge, Ang Li, Barat Achinuq, Emily Heppell, Yuchen Ji, Shanshan Liu, Baoshan Cui, Jiuming Liu, Puyang Huang, Zhongkai Liu, Guoqiang Yu, Faxian Xiu, Thorsten Hesjedal, Jin Zou, Xiaodong Han, Haijun Zhang, Yumeng Yang, Xufeng Kou
The intrinsic magnetic topological insulator MnBi 2Te 4 (MBT) has provided a platform for the successful realization of exotic quantum phenomena. To broaden the horizons of MBT-based material systems, we intercalate ferromagnetic MnTe layers to construct

Symmetry-dependent ultrafast manipulation of nanoscale magnetic domains

December 23, 2022
Author(s)
Nanna Hagstrom, Rahul Jangid, F. N. U. Meera, Diego Turenne, Jeffrey Brock, Erik Lamb, Boyan Stoychev, Justine Schlappa, Natalia Gerasimova, Benjamin Van Kuiken, Rafael Gort, Laurent Mercadier, Loic Le Guyader, Andrey Samartsev, Andreas Scherz, Giuseppe Mercurio, Hermann Durr, Alexander Reid, Monika Arora, Hans Nembach, Justin Shaw, Emmanuelle Jal, Eric Fullerton, Mark Keller, Roopali Kukreja, Stefano Bonetti, Thomas J. Silva, Ezio Iacocca
Symmetry is a powerful concept in physics, but its applicability to far-from-equilibrium states is still being understood. Recent attention has focused on how far-from-equilibrium states lead to spontaneous symmetry breaking. Conversely, ultrafast optical

Room-temperature valence transition in a strain-tuned perovskite oxide

December 15, 2022
Author(s)
Vipul Chaturvedi, Supriya Ghosh, Dominique Gautreau, William M. Postiglione, John E. Dewey, Patrick Quarterman, Purnima P. Balakrishnan, Brian Kirby, Hua Zhou, Huikui Cheng, Amanda Huon, Timothy Charlton, Michael R. Fitzsimmons, Caroline Korostynski, Andrew Jacobson, Lucca Figari, Javier Garcia Barriocanal, T. Birol, K. A. Mkhoyan, Chris Leighton
Cobalt oxides have long been understood to display intriguing phenomena known as spin-state crossovers, where the cobalt ion spin changes vs. temperature, pressure, etc. A very different situation was recently uncovered in praseodymium-containing cobalt
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