Overview

This page summarizes the guides that are available. All guides are written to focus on specific aspects of the package. Examples of end-to-end workflows can be found in the tutorials hosted on the IBM Quantum Platform.

Getting started

These simple guides help you to get started quickly with the package.

• Quickstart

Beyond the basics

These guides provide a deeper explanation of specific concepts and components from this package.

General

• How to choose the subspace dimension from its impact on eigenvalue estimation accuracy
• Understand this package’s support for multi-process and multi-threaded acceleration

Fermionic systems

• Scale SQD workflows for Fermionic systems with the Dice solver
• Improve an SQD estimate with orbital optimization
• Understand open- and closed-shell options and their effect on subspace construction
• Augment the pool of electronic configurations using Fermionic transition operators to improve energy estimations and compute energies of excited states

Spin systems

• Build a projected Hamiltonian matrix for qubit Hamiltonians
• Benchmark performance of subspace projection for qubit Hamiltonians