QunaSys Tech Blog·Feb 9, 2024Quantum-Selected Configuration Interaction: Classical Diagonalization of Hamiltonians in Subspaces…Introduction
QunaSys Tech Blog·Feb 18, 2022Analytical gradient of energies with a sophisticated calculation method by quantum computers…Researchers at QunaSys Inc., Osaka University, and Mitsubishi Chemical Co. have developed an algorithm for calculating the gradient of…A response icon1A response icon1
QunaSys Tech Blog·Jan 13, 2022Accelerating variational quantum algorithmsA novel way to estimate expectation values on quantum computers
QunaSys Tech Blog·Mar 22, 2021Computing the Green's function on near-term quantum computersMethods to calculate an indispensable tool in quantum physics
QunaSys Tech Blog·Feb 15, 2021Quantum machine learning of quantum data with NISQ devicesLearning wavefunctions of molecules in quantum chemistry
QunaSys Tech Blog·Nov 30, 2020Calculating derivatives of molecular electronic energy on a quantum computerWhile classical computers have bits representing either 0 or 1 values, quantum computers have qubits which provide arbitrary superposition…
QunaSys Tech Blog·Nov 16, 2020Comprehensive approach for resolving energy spectrum with symmetry using a quantum computer“Symmetry” appears everywhere in modern physics, and it plays a significant role in understanding various properties of a quantum system…
QunaSys Tech Blog·Nov 2, 2020Testing important industrial problems with Honeywell’s Ion-Trap quantum computerCalculating transition amplitudes of Azobenzene isomers using Honeywell System Model HØ
QunaSys Tech Blog·Oct 19, 2020Quantum algorithm for calculating electronically excited states of moleculesSubspace-Search Variational Quantum Eigensolver
QunaSys Tech Blog·Oct 1, 2020Accelerate quantum computation from a classical approachA simple, efficient, and robust optimizer for NISQ devicesA response icon2A response icon2
