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We experimentally and numerically study the precise role of geometry for the mechanics of biholar metamaterials, quasi-2D slabs of rubber patterned by circular holes of two alternating sizes. We recently showed how the response to uniaxial…

Soft Condensed Matter · Physics 2016-06-03 Bastiaan Florijn , Corentin Coulais , Martin van Hecke

We investigate several aspects of the thermodynamic geometry for a quantum fluid with square-well interactions using a third-order perturbation theory framework based on the path-integral-necklace analogy. A comparison is made between the…

Drip-line nuclei have very different properties from those of the valley of stability, as they are weakly bound and resonant. Therefore, the models devised for stable nuclei can no longer be applied therein. Hence, a new theoretical tool,…

Computational Physics · Physics 2020-02-19 Nicolas Michel , Hasan Metin Aktulga , Yannen Jaganathen

CC-OTDR signal envelope shaping is introduced to reduce the impact of non-linear signal interactions on a neighboring wavelength data channel when co-propagating the probing signal with the data signal. Joint co-directional acoustic sensing…

Signal Processing · Electrical Eng. & Systems 2025-05-27 M. Ali Allousch , André Sandmann

A relation between geometric phases and criticality of spin chains is established. As a result, we show how geometric phases can be exploited as a tool to detect regions of criticality without having to undergo a quantum phase transition.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Angelo C. M. Carollo , Jiannis K. Pachos

The remarkable temporal properties of ultra-short pulsed lasers in combination with novel beam shaping concepts enable the development of completely new material processing strategies. We demonstrate the benefit of employing focus…

Rapid advancements in machine learning (ML) are transforming materials science by significantly speeding up material property calculations. However, the proliferation of ML approaches has made it challenging for scientists to keep up with…

Machine Learning · Computer Science 2024-07-12 Ali Ramlaoui , Théo Saulus , Basile Terver , Victor Schmidt , David Rolnick , Fragkiskos D. Malliaros , Alexandre Duval

Analyzing recent ALICE data on inelastic pp scattering at the LHC energies we show that charged particle distributions exhibit geometrical scaling (GS). We show also that the inelastic cross-section is scaling as well and that in this case…

High Energy Physics - Phenomenology · Physics 2015-11-04 Michal Praszalowicz , Anna Francuz

The Gamow-Teller (GT) strength distributions of sd shell N=Z nuclei ($^{24}$Mg, $^{28}$Si, and $^{32}$S) are investigated within the framework of proton-neutron quasi particle random phase approximation (pn QRPA) using a deformed basis. The…

Nuclear Theory · Physics 2024-10-15 Jameel-Un Nabi , Abdul Kabir , Tuncay Bayram

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao , Xiaohu You , Yang Hao

Let $M$ be a compact K\"ahler manifold equipped with a pre-quantum line bundle $L$. In [9], using $T$-symmetry, we constructed a polarization $\mathcal{P}_{\mathrm{mix}}$ on $M$, which generalizes real polarizations on toric manifolds. In…

Symplectic Geometry · Mathematics 2023-01-04 Naichung Conan Leung , Dan Wang

An important operation in geometry processing is finding the correspondences between pairs of shapes. The Gromov-Hausdorff distance, a measure of dissimilarity between metric spaces, has been found to be highly useful for nonrigid shape…

Computer Vision and Pattern Recognition · Computer Science 2013-11-25 Alon Shtern , Ron Kimmel

An autoencoder is used to optimize bit-to-symbol mappings for geometric constellation shaping. The mappings allow for net rate adaptivity without additional hardware complexity, while achieving up to 300km of transmission distance compared…

Signal Processing · Electrical Eng. & Systems 2023-01-04 Ognjen Jovanovic , Metodi P. Yankov , Francesco Da Ros , Darko Zibar

A flexible semi-filterless architecture for metro DWDM networks with ring- or horseshoe topologies is presented. ROADM nodes are based on wavelength blockers. Coherent transmission enables filterless channel selection. Critical parameters…

A software-defined 2-bit Programmable Transmit Metamaterial (PTM) array surface with beam steering capabilities is proposed for indoor dynamic Wireless Power Transfer (DWPT) applications. The novel metamaterial unit cell structure is…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Eistiak Ahamed , Rasool Keshavarz , Daniel Franklin , Negin Shariati

Artificial intelligence for scientific discovery has recently generated significant interest within the machine learning and scientific communities, particularly in the domains of chemistry, biology, and material discovery. For these…

We present a method to fabricate double shell structures printed in trans-versal directions using multi-axis fused-deposition-modeling (FDM) robot-ic 3D printing. Shell structures, characterized by lightweight, thin walls, fast buildup, and…

Robotics · Computer Science 2025-01-13 Ioanna Mitropoulou , Amir Vaxman , Olga Diamanti , Benjamin Dillenburger

The modified rigorous coupled-wave analysis technique is developed to describe the optical characteristics of the plasmonic structures with the grating-gated delta-thin conductive channel in the far- and near-field zones of electromagnetic…

Mesoscale and Nanoscale Physics · Physics 2021-01-14 Yurii M. Lyaschuk , Serhii M. Kukhtaruk , Vytautas Janonis , Vadym V. Korotyeyev

We theoretically propose directional, low-threshold plasmon lasing in both the near-infrared and visible wavelengths by utilizing spatially coherent surface plasmon polaritons on a meta-surface. The gain strength required for threshold…

Optics · Physics 2011-06-16 Yang Cao , Zeyong Wei , Wei Li , Anan Fang , Hongqiang Li , Xunya Jiang , Hong Chen , C. T. Chan

This article presents an overview and analysis of spatial-to-spectral harmonic-modulated arrays (SHAs). Compared to traditional analog or digital beamforming arrays, SHAs enable concurrent multi-beamforming without requiring substantial…

Systems and Control · Electrical Eng. & Systems 2025-10-21 Jose Guajardo , Ali Niknejad