HQS Qolossal

Efficiently Calculate Material and Device Properties

HQStage Module

Simulation

Large Scale Tight-Binding Solver for Non-Interacting Systems

Qolossal is an advanced solution for analyzing non-interacting systems, making it easy to calculate material and device properties. With its scalable architecture, you can analyze systems with hundreds of millions or billions of nodes, all on standard hardware configurations.

Features

  • Efficient Calculations: Qolossal provides an efficient computing environment, allowing you to analyze various properties of materials and devices accurately.

  • Scalability: Scales linearly with the size of the systems under study, enabling you to analyze complex systems with ease.

  • Versatile Property Calculations: Calculate a variety of properties including density of states, optical electrical conductivity, and more.

  • Easy Integration: Qolossal can run on any standard hardware configuration and offers easy integration into your existing workflow

Use-Case

HQS Qolossal is invaluable across materials science, device development, and research. It enables the exploration of material properties, optimization of electronic devices, and acceleration of research processes. HQS Qolossal allows for detailed analysis of specific devices, geometries, and materials, while also aiding in parameter extraction for Finite Element Method simulations.

Qolossal is our large scale tight-binding solver for non-interacting systems. It provides an efficient framework for calculating material and devices properties. In particular, Qolossal's approach scales linearly with the size of the systems studied: this allows us to treat systems with up to hundreds of millions/billions of sites.

Examples

DC conductivity of graphene at zero temperature as a function of chemical potential for different vacancy densities.

Local density of states of graphene with sparse vacancies (white triangles).

Optical conductivity of Silicon.

Local density of states of graphene with large holes (white areas).

Spectral function of Silicon with a random local potential of strength 4eV.

The HQS Modelling Assistant will assist you in the use of HQS Qolossal, see how it can simplify the application.

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