A variational hybrid qubit-oscillator algorithm evolves frozen Gaussian wavepackets for nuclear dynamics, converging to exact results on harmonic and Morse potentials and showing partial success on double-well bifurcation.
Loosely speaking, an ansatz is said to have high expressivity if, by changing its parameters, it can generate diverse quantum states throughout the Hilbert space
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A variational hybrid continuous-variable discrete-variable quantum algorithm for adiabatic nuclear dynamics
A variational hybrid qubit-oscillator algorithm evolves frozen Gaussian wavepackets for nuclear dynamics, converging to exact results on harmonic and Morse potentials and showing partial success on double-well bifurcation.