Inducing a Tunable Skyrmion-Antiskyrmion System through Ion Beam Modification of FeGe Films

Kavli Affiliate: David Muller | First 5 Authors: M. B. Venuti, Xiyue S. Zhang, Eric J Lang, Sadhvikas J. Addamane, Hanjong Paik | Summary: Skyrmions and antiskyrmions are nanoscale swirling textures of magnetic moments formed by chiral interactions between atomic spins in magnetic non-centrosymmetric materials and multilayer films with broken inversion symmetry. These quasiparticles are […]


Continue.. Inducing a Tunable Skyrmion-Antiskyrmion System through Ion Beam Modification of FeGe Films

Nonlinear Quantum Photonics with a Tin-Vacancy Center Coupled to a One-Dimensional Diamond Waveguide

Kavli Affiliate: Ronald Hanson | First 5 Authors: Matteo Pasini, Nina Codreanu, Tim Turan, Adrià Riera Moral, Christian F. Primavera | Summary: Color-centers integrated with nanophotonic devices have emerged as a compelling platform for quantum science and technology. Here we integrate tin-vacancy centers in a diamond waveguide and investigate the interaction with light at the […]


Continue.. Nonlinear Quantum Photonics with a Tin-Vacancy Center Coupled to a One-Dimensional Diamond Waveguide

Growth, catalysis and faceting of $α$-Ga$_2$O$_3$ and $α$-(In$_x$Ga$_{1-x}$)$_2$O$_3$ on $m$-plane $α$-Al$_2$O$_3$ by molecular beam epitaxy

Kavli Affiliate: Debdeep Jena | First 5 Authors: Martin S. Williams, Manuel Alonso-Orts, Marco Schowalter, Alexander Karg, Sushma Raghuvansy | Summary: The growth of $alpha$-Ga$_2$O$_3$ and $alpha$-(In$_x$Ga$_{1-x}$)$_2$O$_3$ on $m$-plane $alpha$-Al$_2$O$_3$(10$bar{1}$0) by molecular beam epitaxy (MBE) and metal-oxide-catalyzed epitaxy (MOCATAXY) is investigated. By systematically exploring the parameter space accessed by MBE and MOCATAXY, phase-pure $alpha$-Ga$_2$O$_3$(10$bar{1}$0) and […]


Continue.. Growth, catalysis and faceting of $α$-Ga$_2$O$_3$ and $α$-(In$_x$Ga$_{1-x}$)$_2$O$_3$ on $m$-plane $α$-Al$_2$O$_3$ by molecular beam epitaxy

Comparing self-consistent GW and vertex corrected G0W0 (G0W0Γ) accuracy for molecular ionization potentials

Kavli Affiliate: Birgitta Whaley | First 5 Authors: Ming Wen, Vibin Abraham, Gaurav Harsha, Avijit Shee, Birgitta Whaley | Summary: We test the performance of self-consistent GW and several representative implementations of vertex corrected G0W0 (G0W0{Gamma}). These approaches are tested on benchmark data sets covering full valence spectra (first ionization potentials and some inner valence […]


Continue.. Comparing self-consistent GW and vertex corrected G0W0 (G0W0Γ) accuracy for molecular ionization potentials

Comparing self-consistent GW and vertex corrected G0W0 (G0W0Γ) accuracy for molecular ionization potentials

Kavli Affiliate: Birgitta Whaley | First 5 Authors: Ming Wen, Vibin Abraham, Gaurav Harsha, Avijit Shee, K. Birgitta Whaley | Summary: We test the performance of self-consistent GW and several representative implementations of vertex corrected G0W0 (G0W0{Gamma}). These approaches are tested on benchmark data sets covering full valence spectra (first ionization potentials and some inner […]


Continue.. Comparing self-consistent GW and vertex corrected G0W0 (G0W0Γ) accuracy for molecular ionization potentials

Third harmonic generation enhancement and wavefront control using a local high-Q metasurface

Kavli Affiliate: Harry A. Atwater | First 5 Authors: Claudio U. Hail, Lior Michaeli, Harry A. Atwater, , | Summary: High quality factor optical nanostructures provide great opportunity to enhance nonlinear optical processes such as third harmonic generation. However, the field enhancement in these high quality factor structures is typically accompanied by optical mode nonlocality. […]


Continue.. Third harmonic generation enhancement and wavefront control using a local high-Q metasurface

Gene expression in growing cells: A biophysical primer

Kavli Affiliate: Ariel Amir | First 5 Authors: Ido Golding, Ariel Amir, , , | Summary: Cell growth and gene expression, essential elements of all living systems, have long been the focus of biophysical interrogation. Advances in single-cell methods have invigorated theoretical studies into these processes. However, until recently, there was little dialog between the […]


Continue.. Gene expression in growing cells: A biophysical primer

Heralded initialization of charge state and optical transition frequency of diamond tin-vacancy centers

Kavli Affiliate: Ronald Hanson | First 5 Authors: Julia M. Brevoord, Lorenzo De Santis, Takashi Yamamoto, Matteo Pasini, Nina Codreanu | Summary: Diamond Tin-Vacancy centers have emerged as a promising platform for quantum information science and technology. A key challenge for their use in more complex quantum experiments and scalable applications is the ability to […]


Continue.. Heralded initialization of charge state and optical transition frequency of diamond tin-vacancy centers

Robust Network Slicing: Multi-Agent Policies, Adversarial Attacks, and Defensive Strategies

Kavli Affiliate: Feng Wang | First 5 Authors: Feng Wang, M. Cenk Gursoy, Senem Velipasalar, , | Summary: In this paper, we present a multi-agent deep reinforcement learning (deep RL) framework for network slicing in a dynamic environment with multiple base stations and multiple users. In particular, we propose a novel deep RL framework with […]


Continue.. Robust Network Slicing: Multi-Agent Policies, Adversarial Attacks, and Defensive Strategies

FOAL: Fine-grained Contrastive Learning for Cross-domain Aspect Sentiment Triplet Extraction

Kavli Affiliate: Ting Xu | First 5 Authors: Ting Xu, Zhen Wu, Huiyun Yang, Xinyu Dai, | Summary: Aspect Sentiment Triplet Extraction (ASTE) has achieved promising results while relying on sufficient annotation data in a specific domain. However, it is infeasible to annotate data for each individual domain. We propose to explore ASTE in the […]


Continue.. FOAL: Fine-grained Contrastive Learning for Cross-domain Aspect Sentiment Triplet Extraction