Local excitations in amorphous solids

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The local undercut defects at the weld toe provide a potential initiation site for fatigue cracks and significantly impact the structure's fatigue strength. The influence of continuous undercut depth on fatigue performance is widely studied, but the resear ...

Mechanical resonators are widely used in sensors, transducers and optomechanical systems, where mechanical dissipation sets the ultimate limit to performance. Over the past 15 years, the quality factors in strained mechanical resonators have increased by f ...

We study the statistical mechanics and the equilibrium dynamics of a system of classical Heisenberg spins with frustrated interactions on a d -dimensional simple hypercubic lattice, in the limit of infinite dimensionality d -> infinity . In the analysis we ...

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Mechanical oscillators can exhibit modes with ultra-low energy dissipation and compact form factors due to the slow velocity of acoustic waves, and are already used in applications ranging from timing to wireless filters. Over the past decade, novel ways i ...

Suspended epitaxial gallium nitride (GaN) on silicon (Si) photonic crystal devices suffer from large residual tensile strain, especially for long waveguides, because fine structures tend to crack due to large stress. By introducing spring-like tethers, des ...

We have performed electrochemical treatment of the van der Waals antiferromagnetic materials FePS3 and NiPS3 with the ionic liquid EMIM-BF4, achieving significant molecular intercalation. Mass analysis of the intercalated compounds, EMIMx-FePS3 and EMIMx-N ...

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Which phenomenon slows down the dynamics in supercooled liquids and turns them into glasses is a long-standing question of condensed matter. Most popular theories posit that as the temperature decreases, many events must occur in a coordinated fashion on a ...

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The time-honored Allen -Feldman theory of heat transport in glasses is generally assumed to predict a finite value for the thermal conductivity, even if it neglects the anharmonic broadening of vibrational normal modes. We demonstrate that the harmonic app ...

This data package supports the publication 'Complexity of crack front geometry enhances toughness of brittle solids' by Xinyue Wei, Chenzhuo Li, Cían McCarthy, and John M. Kolinski Nature physics (2024) - https://doi.org/10.1038/s41567-024-02435-x DOI: 1 ...

Quantum sensors and qubits are usually two-level systems (TLS), the quantum analogues of classical bits assuming binary values 0 or 1. They are useful to the extent to which superpositions of 0 and 1 persist despite a noisy environment. The standard prescr ...

Local excitations in amorphous solids

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Strain-based analysis on the influence of local undercut geometry on fatigue crack initiation life

Ultrahigh-quality-factor micro- and nanomechanical resonators using dissipation dilution

Frustrated magnets in the limit of infinite dimensions: Dynamics and disorder-free glass transition

A novel fatigue life prediction methodology based on energy dissipation in viscoelastic materials, synergistic effects of stress level, stress ratio, and temperature

A method and system for optimizing design, implantation, and stimulation protocols of electrodes stimulating the nervous system

Towards Scalable Electronics: Synthetic 2D Materials for Large-Area 2D Circuit Integration

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Modeling friction and wear using an adaptive discrete-continuum coupling

Ultra-high quantum coherent and scalable superconducting circuit optomechanics, from topological lattices to quantum storage

Strain engineering and strain measurement by spring tethers on suspended epitaxial GaN-on-Si photonic crystal devices

Molecular intercalation in the van der Waals antiferromagnets FePS3 and NiPS3

Pyroresistive response of percolating conductive polymer composites

FENNECS: a novel particle-in-cell code for simulating the formation of magnetized non-neutral plasmas trapped by electrodes of complex geometries

Mechanically induced correlated errors on superconducting qubits with relaxation times exceeding 0.4 ms

Local vs. cooperative: Unraveling glass transition mechanisms with SEER

Organic matters, but inorganic matters too: column examination of elevated mercury sorption on low organic matter aquifer material using concentrations and stable isotope ratios

Geometric Learning: Leveraging differential geometry for learning and control

Unearthing the foundational role of anharmonicity in heat transport in glasses

Dataset for "Complexity of crack front geometry enhances toughness of brittle solids"

Emergence of highly coherent two-level systems in a noisy and dense quantum network