BEEMs

  • Level of openness 3 ★★★
  • Document quality 2 ★★☆

BEEMs is a Bayesian optimization tool of Effective Models (BEEMs). In BEEMs, the quantum lattice model solver HΦ is used as a forward problem solver to compute the magnetisation curve based on the given Hamiltonian. The deviation between the obtained magnetisation curve and the target magnetisation curve is used as a cost function, and the Bayesian optimization library PHYSBO is used to propose the next candidate point of the Hamiltonian for searching the minimum cost function

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FermiSurfer

  • Level of openness 3 ★★★
  • Document quality 1 ★☆☆

An application for visualization of Fermi surfaces.
This application displays Fermi surfaces colored as a function of an arbitrary scalar quantities such as magnitude of Fermi velocities and superconducting gap. It only requires a minimum set of data to draw Fermi surfaces. FermiSurfer provides a simple graphical user interface; the user can smoothly turn on/off the stereogram, nodal-lines, etc.

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LibTetraBZ

  • Level of openness 3 ★★★
  • Document quality 2 ★★☆

Libtetrabz is a library which perform efficiently the Brillouin-zone integration in the electronic structure calculation in a solid by using the tetrahedron method.

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MultiPie

  • Level of openness 3 ★★★
  • Document quality 2 ★★☆

A Python library for manipulating  symmetry operations and automatically generating symmetry-adapted multipole basis (SAMB) based on crystallographic point and space groups. By using QtDraw, users can also visualize the output of this library.

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QtDraw

  • Level of openness 3 ★★★
  • Document quality 1 ★☆☆

3D drawing software for molecules and crystals. QtDraw supports drawings of 3D objects such as atomic orbitals, polygons and spline curves. By installing MultiPie, users can draw the above objects with the help of symmetry operations and irreducible representations. These functionalities can be called by Python code.

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TC++

  • Level of openness 3 ★★★
  • Document quality 2 ★★☆

TC++ is open-source software for ab initio calculations using the transcorrelated (TC) method. In TC++, users can take account of electron correlations in a Jastrow correlation factor based on the TC method. Electronic structures obtained by Quantum ESPRESSO can be used as an initial state of TC++.

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OQMD: The Open Quantum Materials Database

  • Level of openness 3 ★★★
  • Document quality 2 ★★☆

A database for thermodynamic properties and crystal structures calculated based on the density functional theory by a research group in Northwestern University. OQMD provides over one million data generated by using not only experimental crystal structures provided by ICSD but also those obtained by calculations. Users can search data in OQMD by using Python API.

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qmpy

  • Level of openness 3 ★★★
  • Document quality 2 ★★☆

Python library for the Open Quantum Materials Database, a first-principles computational database. qmpy supports several analysis tools such as crystal structures and phase diagrams. Users can perform automatic calculations using VASP.

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ChemSpider

  • Level of openness 3 ★★★
  • Document quality 3 ★★★

ChemSpider is a free chemical structure database that provides fast access to over 100 million structures, properties, and related information, and is operated by the Royal Society of Chemistry.

By integrating and linking compounds from hundreds of high-quality data sources, ChemSpider makes it easy to find chemical data from diverse data sources that are freely available for online searching. Users can also add and manage data in a wikipedia-like fashion. Meanwhile, manual curation by the Royal Society of Chemistry continuously improves data quality.

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PubChem

  • Level of openness 3 ★★★
  • Document quality 2 ★★☆

Open Chemistry database that has been in operation since 2004 under the National Institutes of Health (NIH) in the United States. It mainly targets data for small molecules, but information on large molecules such as lipids and peptides are also collected. The database can be accessed via web browser or PUG REST API. The data can be also downloaded from an FTP site.

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