Controlling magnetism with light in a zero orbital angular momentum antiferromagnet

Kavli Affiliate: Andrea D. Caviglia | First 5 Authors: Mattias Matthiesen, Jorrit R. Hortensius, Samuel Mañas-Valero, Makars Šiškins, Boris A. Ivanov | Summary: Antiferromagnetic materials feature intrinsic ultrafast spin dynamics, making them ideal candidates for future magnonic devices operating at THz frequencies. A major focus of current research is the investigation of optical methods for […]


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Symmetry-Breaking and Self-Sorting in Block Copolymer-based Multicomponent Nanocomposites

Kavli Affiliate: Ting Xu | First 5 Authors: Le Ma, Hejin Huang, Peter Ercius, Alfredo Alexander-Katz, Ting Xu | Summary: Co-assembly of inorganic nanoparticles (NPs) and nanostructured polymer matrix represents an intricate interplay of enthalpic or entropic forces. Particle size largely affects the phase behavior of the nanocomposite. Theoretical studies indicate that new morphologies would […]


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Steering self-organisation through confinement

Kavli Affiliate: Gijsje H. Koenderink | First 5 Authors: Nuno A. M. Araújo, Liesbeth M. C. Janssen, Thomas Barois, Guido Boffetta, Itai Cohen | Summary: Self-organisation is the spontaneous emergence of spatio-temporal structures and patterns from the interaction of smaller individual units. Examples are found across many scales in very different systems and scientific disciplines, […]


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Multi-scale Knowledge Distillation for Unsupervised Person Re-Identification

Kavli Affiliate: Xiang Zhang | First 5 Authors: Long Lan, Xiao Teng, Haoang Chi, Xiang Zhang, | Summary: Unsupervised person re-identification is a challenging and promising task in the computer vision. Nowadays unsupervised person re-identification methods have achieved great improvements by training with pseudo labels. However, the appearance and label noise are less explicitly studied […]


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Learning to Purification for Unsupervised Person Re-identification

Kavli Affiliate: Xiang Zhang | First 5 Authors: Long Lan, Xiao Teng, Jing Zhang, Xiang Zhang, Dacheng Tao | Summary: Unsupervised person re-identification is a challenging and promising task in computer vision. Nowadays unsupervised person re-identification methods have achieved great progress by training with pseudo labels. However, how to purify feature and label noise is […]


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Normalization procedure for obtaining the local density of states from high-bias scanning tunneling spectroscopy

Kavli Affiliate: Sander Otte | First 5 Authors: Rasa Rejali, Laëtitia Farinacci, Sander Otte, , | Summary: Differential conductance spectroscopy performed in the high bias regime — in which the applied voltage exceeds the sample work function — is a poor measure of the local density of states due to the effects of the changing […]


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Energy transfer and vortex structures: Visualizing the incompressible turbulent energy cascade

Kavli Affiliate: Michael P. Brenner | First 5 Authors: Ryan McKeown, Alain Pumir, Shmuel M. Rubinstein, Michael P. Brenner, Rodolfo Ostilla-Mónico | Summary: The transfer of kinetic energy from large to small scales is a hallmark of turbulent flows. Yet, a precise mechanistic description of this transfer, which is expected to occur via an energy […]


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Self-Supervised Arbitrary-Scale Point Clouds Upsampling via Implicit Neural Representation

Kavli Affiliate: Wei Gao | First 5 Authors: Wenbo Zhao, Xianming Liu, Zhiwei Zhong, Junjun Jiang, Wei Gao | Summary: Point clouds upsampling is a challenging issue to generate dense and uniform point clouds from the given sparse input. Most existing methods either take the end-to-end supervised learning based manner, where large amounts of pairs […]


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Deep Learning Coherent Diffractive Imaging

Kavli Affiliate: Alex Zettl | First 5 Authors: Dillan J. Chang, Colum M. O’Leary, Cong Su, Salman Kahn, Alex Zettl | Summary: We report the development of deep learning coherent electron diffractive imaging at sub-angstrom resolution using convolutional neural networks (CNNs) trained with only simulated data. We experimentally demonstrate this method by applying the trained […]


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Frustrated magnetic interactions in a Wigner-Mott insulator

Kavli Affiliate: Jie Shan | First 5 Authors: Yanhao Tang, Kaixiang Su, Lizhong Li, Yang Xu, Song Liu | Summary: Two-dimensional semiconductor moir’e materials have emerged as a highly controllable platform to simulate and explore quantum condensed matter. Compared to real solids, electrons in semiconductor moir’e materials are less strongly attracted to the moir’e lattice […]


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