Qiskit Global Summer School 2024 (Free Course Review)
IBM Quantum Research Team
VQE
7 courses · 16 tutorials
Courses
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PennyLane Quantum Machine Learning Demos
Xanadu / Community
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A Practical Introduction to Quantum Computing (CERN)
Prof. Elias Fernandez-Combarro Alvarez, University of Oviedo
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Quantum Computing for Natural Sciences with IBM Quantum (openHPI)
Hasso Plattner Institute / IBM Quantum
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Quantum Optimization with IBM Quantum (openHPI)
Hasso Plattner Institute / IBM Quantum
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InQuanto: Quantum Chemistry Simulation Tutorials (Quantinuum)
Quantinuum
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Introduction to Quantum Programming (IonQ Lecture Series)
IonQ Researchers
Free Tutorials
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- advanced
- 20 min read
Hybrid Quantum-Classical Optimization: A Deep Dive into VQE
A comprehensive guide to the Variational Quantum Eigensolver: ansatz design, optimizer selection, barren plateaus, and a complete H2 ground state calculation using Qiskit's Estimator primitive.
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- advanced
- 16 min read
Quantum Chemistry with OpenFermion
Set up molecular Hamiltonians in OpenFermion, apply Jordan-Wigner mapping to convert fermionic operators to Pauli strings, and build a VQE circuit in Cirq.
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- intermediate
- 14 min read
Quantum-Classical Hybrid Jobs on Amazon Braket
Run variational quantum algorithms using Amazon Braket Hybrid Jobs: managed classical compute + quantum access in one job, with checkpointing and cost tracking.
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- advanced
- 18 min read
Molecular Simulation with OpenFermion and Qiskit
Build a complete quantum chemistry pipeline: encode the H2 Hamiltonian with OpenFermion, transform it to qubits via Jordan-Wigner, then find the ground state energy using VQE on Qiskit's statevector simulator.
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- intermediate
- 30 min
Quantum Chemistry on Quantum Computers: The Basics
How quantum computers simulate molecular systems: from second quantization and fermion-to-qubit mappings to VQE and the active space approximation.
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- advanced
- 30 min read
VQE Implementation in PyQuil
Implement the Variational Quantum Eigensolver (VQE) in PyQuil to find the ground state energy of molecular hydrogen. Build the Hamiltonian, parameterized ansatz, and classical optimization loop.
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- intermediate
- 40 min
VQE for H2 Molecule: Complete Worked Example in Qiskit
A complete walkthrough of VQE for the hydrogen molecule in Qiskit Nature, from PySCF driver and Jordan-Wigner mapping through UCCSD ansatz and classical optimization.
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- advanced
- 18 min read
VQE with Cirq and OpenFermion
Build a complete VQE implementation for H2 using Cirq's parametric gates, OpenFermion for the qubit Hamiltonian, scipy for classical optimization, and the parameter shift rule for exact gradients.
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- intermediate
- 25 min read
Variational Quantum Eigensolver with PennyLane
Implement the Variational Quantum Eigensolver to find the ground state energy of a hydrogen molecule using PennyLane and gradient-based optimization.
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- advanced
- 30 min read
Quantum Chemistry Simulation with Q#
Use Q# and the Microsoft.Quantum.Chemistry library to simulate molecular ground state energies, covering Jordan-Wigner encoding, Broombridge data, and phase estimation.
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- advanced
- 70 minutes
Lithium Hydride VQE with PennyLane: From Molecule to Energy
Full VQE for LiH using PennyLane's qchem module: molecular Hamiltonian, Hartree-Fock initial state, UCCSD ansatz, optimization, and potential energy surface scan.
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- advanced
- 16 min read
Quantum Chemistry in PennyLane: H2 Ground State via VQE
Walk through a real VQE simulation in PennyLane: build the H2 Hamiltonian, construct a UCCSD ansatz, and converge to the ground state energy in under 50 iterations.
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- advanced
- 70 minutes
Water Molecule Simulation with Qiskit Nature and VQE
A complete end-to-end VQE simulation of the water molecule using Qiskit Nature: PySCFDriver setup, active space reduction from 10 electrons in 7 orbitals to 4 electrons in 4 orbitals, Jordan-Wigner mapping, UCCSD ansatz, and comparison with Hartree-Fock and CCSD references.
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- intermediate
- 15 min read
Variational Quantum Eigensolver (VQE) Explained
How VQE works: the variational principle, ansatz design, classical optimizer loop, and a complete Qiskit implementation for finding the ground state of a simple Hamiltonian.
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- advanced
- 18 min read
Molecular Simulation with Qiskit Nature
Set up and run a molecular ground state energy calculation in Qiskit Nature: driver setup, active space selection, Jordan-Wigner mapping, and VQE optimization.
- →
- intermediate
- 16 min read
Variational Quantum Algorithms with tket
How to implement the Variational Quantum Eigensolver (VQE) using tket's parameterized circuits and scipy optimization.