Towards adiabatic quantum computing using compressed quantum circuits

C Mc Keever, M Lubasch - PRX Quantum, 2024 - APS
We describe tensor network algorithms to optimize quantum circuits for adiabatic quantum
computing. To suppress diabatic transitions, we include counterdiabatic driving in the …

FOCQS: Feedback Optimally Controlled Quantum States

LT Brady, S Hadfield - arXiv preprint arXiv:2409.15426, 2024 - arxiv.org
Quantum optimization, both for classical and quantum functions, is one of the most well-
studied applications of quantum computing, but recent trends have relied on hybrid methods …

Feedback-based quantum algorithm for excited states calculation

SA Rahman, Ö Karabacak, R Wisniewski - arXiv preprint arXiv …, 2024 - arxiv.org
Recently, feedback-based quantum algorithms have been introduced to calculate the
ground states of Hamiltonians, inspired by quantum Lyapunov control theory. This paper …

Scalable circuit depth reduction in feedback-based quantum optimization with a quadratic approximation

D Arai, KN Okada, Y Nakano, K Mitarai… - arXiv preprint arXiv …, 2024 - arxiv.org
Combinatorial optimization problems are one of the areas where near-term noisy quantum
computers may have practical advantage against classical computers. Recently a novel …

Fighting Exponentially Small Gaps by Counterdiabatic Driving

F Balducci, A Grabarits, A del Campo - arXiv preprint arXiv:2410.02520, 2024 - arxiv.org
We investigate the efficiency of approximate counterdiabatic driving (CD) in accelerating
adiabatic passage through a first-order quantum phase transition. Specifically, we analyze a …

Non-Variational ADAPT algorithm for quantum simulations

HL Tang, Y Chen, P Biswas, AB Magann… - arXiv preprint arXiv …, 2024 - arxiv.org
We explore a non-variational quantum state preparation approach combined with the
ADAPT operator selection strategy in the application of preparing the ground state of a …

Hybrid quantum-classical approach for combinatorial problems at hadron colliders

JL Scott, Z Dong, T Kim, K Kong, M Park - arXiv preprint arXiv:2410.22417, 2024 - arxiv.org
In recent years, quantum computing has drawn significant interest within the field of high-
energy physics. We explore the potential of quantum algorithms to resolve the combinatorial …

Feedback-Based Quantum Algorithm for Constrained Optimization Problems

SA Rahman, Ö Karabacak, R Wisniewski - arXiv preprint arXiv …, 2024 - arxiv.org
The feedback-based algorithm for quantum optimization\\(FALQON) has recently been
proposed to solve quadratic unconstrained binary optimization problems. This paper …