2 papers
quant-ph2019
Quantum digital cooling
Stefano Polla, Yaroslav Herasymenko, Thomas E. O'Brien
We introduce a method for digital preparation of ground states of simulated Hamiltonians, inspired by cooling in nature and adapted to leverage the capabilities of digital quantum…
quant-ph2019
A diagrammatic approach to variational quantum ansatz construction
Y. Herasymenko, T. E. O'Brien
Variational quantum eigensolvers (VQEs) are a promising class of quantum algorithms for preparing approximate ground states in near-term quantum devices. Minimizing the error in su…