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We investigate interaction-induced valley domain walls in bilayer graphene in the $\nu=0$ quantum Hall state, subject to a perpendicular electric field that is antisymmetric across a line in the sample. Such a state can be realized in a…

Strongly Correlated Electrons · Physics 2012-05-10 Chia-Wei Huang , Efrat Shimshoni , H. A. Fertig

We present an analytical framework capable of describing spin-waves dynamic in magnetic hetero-structures composed of a pair of exchange-decoupled magnetic layers separated by a nonmagnetic spacer, focusing in particular on garnet-based…

Applied Physics · Physics 2026-05-12 A. Del Giacco , L. Menna , M. J. Gross , O. Wojewoda , V. Levati , M. Urbanek , S. Kurdi , E. Albisetti , D. Petti , C. A. Ross

Low-dimensional electronic systems have traditionally been obtained by electrostatically confining electrons, either in heterostructures or in intrinsically nanoscale materials such as single molecules, nanowires, and graphene. Recently, a…

Mesoscale and Nanoscale Physics · Physics 2014-02-12 A. F. Young , J. D. Sanchez-Yamagishi , B. Hunt , S. H. Choi , K. Watanabe , T. Taniguchi , R. C. Ashoori , P. Jarillo-Herrero

Within the field of spintronics major efforts are directed towards developing applications for spin-based transport devices made fully out of two-dimensional (2D) materials. In this work we present an experimental realization of a…

Mesoscale and Nanoscale Physics · Physics 2022-07-13 Alexey A. Kaverzin , Talieh S. Ghiasi , Avalon H. Dismukes , Xavier Roy , Bart J. van Wees

The study of interacting topological bands with a tunable bandwidth offers a unique platform to study the interplay of intertwined orders and emergent non-electronic excitations. Here we design a time-reversal symmetric and…

Strongly Correlated Electrons · Physics 2025-08-01 Xuepeng Wang , J. F. Mendez-Valderrama , Johannes S. Hofmann , Debanjan Chowdhury

The introduction of 'twist' or relative rotation between two atomically thin van der Waals (vdW) membranes gives rise to periodic Moire potential, leading to a substantial altercation of the band structure of the planar assembly. While most…

Mesoscale and Nanoscale Physics · Physics 2020-12-30 Phanibhusan S Mahapatra , Bhaskar Ghawri , Kenji Watanabe , Takashi Taniguchi , Subroto Mukerjee , Arindam Ghosh

Spin dependent electron transport measurements on graphene are of high importance to explore possible spintronic applications. Up to date all spin transport experiments on graphene were done in a semi-classical regime, disregarding quantum…

Mesoscale and Nanoscale Physics · Physics 2014-05-01 M. H. D. Guimaraes , P. J. Zomer , I. J. Vera-Marun , B. J. van Wees

We investigate collective spin excitations of graphene electrons with short-ranged interactions and subject to the external Zeeman magnetic field. We find that in addition to the familiar Silin spin wave, a collective spin-flip excitation…

Mesoscale and Nanoscale Physics · Physics 2024-08-23 M. Agarwal , O. A. Starykh , D. A. Pesin , E. G. Mishchenko

The state with a spontaneous interlayer phase coherence in a graphene based bilayer quantum Hall system is studied. This state can be considered as a gas of superfluid electron-hole pairs with the components of the pair belonging to…

Superconductivity · Physics 2009-12-23 D. V. Fil , L. Yu. Kravchenko

We present the exact solution of a one-dimensional model of a spin-gapped correlated electron system with hybridization impurities exhibiting both magnetic and mixed-valence properties. The host supports superconducting fluctuations, with a…

Strongly Correlated Electrons · Physics 2009-10-31 A. A. Zvyagin , H. Johannesson

We use a van-der-Waals pickup technique to fabricate different heterostructures containing WSe$_2$(WS$_2$) and graphene. The heterostructures were structured by plasma etching, contacted by one-dimensional edge contacts and a topgate was…

Mesoscale and Nanoscale Physics · Physics 2017-09-14 Tobias Völkl , Tobias Rockinger , Martin Drienovsky , Kenji Watanabe , Takashi Taniguchi , Dieter Weiss , Jonathan Eroms

Using the continuum model for low energy non-interacting electronic structure of moir\'e van der Waals heterostructures developed by Bistritzer and MacDonald [1], we study the competition between spin, charge, and superconducting order in…

Strongly Correlated Electrons · Physics 2018-08-16 Evan Laksono , Jia Ning Leaw , Alexander Reaves , Manraaj Singh , Xinyun Wang , Shaffique Adam , Xingyu Gu

Correlation effects in CuO$_2$ layers give rise to a complicated landscape of collective excitations in high-T$_{\rm c}$ cuprates. Their description requires an accurate account for electronic fluctuations at a very broad energy range and…

Strongly Correlated Electrons · Physics 2018-11-09 E. A. Stepanov , L. Peters , I. S. Krivenko , A. I. Lichtenstein , M. I. Katsnelson , A. N. Rubtsov

Recent experimental discovery of flavor symmetry breaking metallic phases in Bernal-stacked bilayer graphene points to the strongly interacting nature of electrons near the top (bottom) of its valence (conduction) band. Superconductivity…

Strongly Correlated Electrons · Physics 2023-06-23 Ming Xie , Sankar Das Sarma

Weak-coupling phenomena of the two-dimensional Hubbard model is gaining momentum as a new interesting research field due to its extraordinarily rich behavior as a function of the carrier density and model parameters. Salmhofer [{\it Commun.…

Mesoscale and Nanoscale Physics · Physics 2021-06-16 Sushant Kumar Behera , Madhavi Ahalawat , Subrata Jana , Prasanjit Samal , Pritam Deb

Topological non-collinear magnetic phases of matter are at the heart of many proposals for future information nanotechnology, with novel device concepts based on ultra-thin films and nanowires. Their operation requires understanding and…

Mesoscale and Nanoscale Physics · Physics 2018-04-20 Flaviano José dos Santos , Manuel dos Santos Dias , Filipe Souza Mendes Guimarães , Juba Bouaziz , Samir Lounis

We study the intravalley spin-polarized superconductivity in rhombohedral tetralayer graphene, which has been discovered experimentally in Han $et$ $al$ arXiv:2408.15233. We construct a minimal model for the intravalley spin-polarized…

Superconductivity · Physics 2025-05-20 Yang-Zhi Chou , Jihang Zhu , Sankar Das Sarma

The emergence of two-dimensional (2D) layered magnetic materials has opened an exciting playground for both fundamental studies of magnetism in 2D and explorations of spinbased applications. Remarkable properties, including spin filtering…

Mesoscale and Nanoscale Physics · Physics 2021-02-02 Xiao-Xiao Zhang , Lizhong Li , Daniel Weber , Joshua Goldberger , Kin Fai Mak , Jie Shan

We study proximity-induced spin-orbit coupling (SOC) in bilayer graphene/few-layer WSe2 heterostructure devices. Contact mode atomic force microscopy (AFM) cleaning yields ultra-clean interfaces and high-mobility devices. In a perpendicular…

Mesoscale and Nanoscale Physics · Physics 2019-09-25 Dongying Wang , Shi Che , Guixin Cao , Rui Lyu , Kenji Watanabe , Takashi Taniguchi , Chun Ning Lau , Marc Bockrath

The quest for gravitational waves from coalescing binaries is customarily performed by the LIGO-Virgo collaboration via matched filtering, which requires a detailed knowledge of the signal. Complete analytical coalescence waveforms are…

General Relativity and Quantum Cosmology · Physics 2010-11-04 R. Sturani , S. Fischetti , L. Cadonati , G. M. Guidi , J. Healy , D. Shoemaker , A. Viceré
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