Publications related to Rigid Body Mechanics

A Spectral Ansatz for The Long-Time Homogenization of The Wave Equation

Consider the wave equation with heterogeneous coefficients in the homogenization regime. At large times, the wave interacts in a nontrivial way with the heterogeneities, giving rise to effective dispersive effects. The main achievement of the present wor ...

Ecole Polytechnique2024

A modular multiple frequency inductive link to wirelessly power multiple miniaturized implants

Sandro Carrara, Diego Ghezzi, Gian Luca Barbruni

A modular multiple frequency coils inductive link system to wirelessly provide power for at least a medical implant at an output of a receiving coil, whereby the receiving coil is configured to be implanted in an organism. The modular multiple frequency co ...

2024

Mean-field transport equations and energy theorem for plasma edge turbulent transport

Reinart Andreas J. Coosemans

This paper establishes a mean-field equation set and an energy theorem to provide a theoretical basis in view of the development of self-consistent, physics-based turbulent transport models for mean-field transport codes. A rigorous averaging procedure ide ...

Cambridge Univ Press2024

Optimal sensitivity for 1H detected relayed DNP of organic solids at fast MAS

David Lyndon Emsley, Saumya Badoni, Pierrick Berruyer

Dynamic nuclear polarization (DNP) combined with high magnetic fields and fast magic angle spinning (MAS) has opened up a new avenue for the application of exceptionally sensitive 1H NMR detection schemes to study protonated solids. Recently, it has been s ...

Academic Press Inc Elsevier Science2024

Leveraging Continuous Time to Understand Momentum When Training Diagonal Linear Networks

Nicolas Henri Bernard Flammarion, Hristo Georgiev Papazov, Scott William Pesme

In this work, we investigate the effect of momentum on the optimisation trajectory of gradient descent. We leverage a continuous-time approach in the analysis of momentum gradient descent with step size

\gamma

and momentum parameter

\beta

that allows u ...

2024

Electrically tunable giant Nernst effect in two-dimensional van der Waals heterostructures

Andras Kis, Guilherme Migliato Marega, Zhe Sun, Gabriele Pasquale

The Nernst effect, a transverse thermoelectric phenomenon, has attracted significant attention for its potential in energy conversion, thermoelectrics and spintronics. However, achieving high performance and versatility at low temperatures remains elusive. ...

2024

Spin Textures in 2D Magnets

Lukas Powalla

The continuous reduction of the structural size in nanotechnology slowed down over the last decade, approaching the natural limit of single atoms as building blocks of matter. Therefore, intensive research is directed toward exploring new frontiers, in par ...

EPFL2023

Broadband spectroscopy and inelastic light scattering on the canted antiferromagnet hematite for antiferromagnetic magnonics

Mohammad Hamdi

Collective spin excitations propagating in magnetically ordered materials are called spin waves (SWs) or magnons. They are promising for low-power and beyond-CMOS information processing, which do not suffer from the ohmic losses. SWs in ferromagnets (antif ...

EPFL2023

Recent advances in magnonics

Dirk Grundler, Benedetta Flebus

Magnonics is an exciting and rapidly growing field revolving around the study and manipulation of magnons, the low-lying collective excitations of magnetically ordered systems. This field has emerged in response to both fundamental physics interests and th ...

2023

Magnetic excitations in the topological semimetal YbMnSb2

Jian Rui Soh

We report neutron scattering measurements on YbMnSb2 which shed light on the nature of the magnetic moments and their interaction with Dirac fermions. Using half-polarized neutron diffraction we measured the field-induced magnetization distribution in the ...

AMER PHYSICAL SOC2023

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A Spectral Ansatz for The Long-Time Homogenization of The Wave Equation

A modular multiple frequency inductive link to wirelessly power multiple miniaturized implants

Mean-field transport equations and energy theorem for plasma edge turbulent transport

Optimal sensitivity for 1H detected relayed DNP of organic solids at fast MAS

Leveraging Continuous Time to Understand Momentum When Training Diagonal Linear Networks

Electrically tunable giant Nernst effect in two-dimensional van der Waals heterostructures

Spin Textures in 2D Magnets

Broadband spectroscopy and inelastic light scattering on the canted antiferromagnet hematite for antiferromagnetic magnonics

Recent advances in magnonics

Magnetic excitations in the topological semimetal YbMnSb2

Optimal sensitivity for 1H detected relayed DNP of organic solids at fast MAS

Mean-field transport equations and energy theorem for plasma edge turbulent transport

A modular multiple frequency inductive link to wirelessly power multiple miniaturized implants

A Spectral Ansatz for The Long-Time Homogenization of The Wave Equation

Leveraging Continuous Time to Understand Momentum When Training Diagonal Linear Networks

Broadband spectroscopy and inelastic light scattering on the canted antiferromagnet hematite for antiferromagnetic magnonics

Electrically tunable giant Nernst effect in two-dimensional van der Waals heterostructures

Spin Textures in 2D Magnets

Recent advances in magnonics

Magnetic excitations in the topological semimetal YbMnSb2