NISQNoisy Intermediate-Scale Quantum - current era of quantum computing
VQEVariational Quantum Eigensolver - algorithm for chemistry
QAOAQuantum Approximate Optimization Algorithm
AnsatzParameterized trial wavefunction/circuit
VariationalApproach using adjustable parameters optimized classically
BarrenPlateauRegion where gradients become vanishingly small
HamiltonianMathematical operator representing system energy
GroundStateLowest energy state of a quantum system
ExpectationValueAverage measurement outcome
QubitQuantum bit - basic unit of quantum information