Challenges and opportunities in quantum optimization
Quantum computers have demonstrable ability to solve problems at a scale beyond brute-
force classical simulation. Interest in quantum algorithms has developed in many areas …
force classical simulation. Interest in quantum algorithms has developed in many areas …
Quantum-centric supercomputing for materials science: A perspective on challenges and future directions
Computational models are an essential tool for the design, characterization, and discovery
of novel materials. Computationally hard tasks in materials science stretch the limits of …
of novel materials. Computationally hard tasks in materials science stretch the limits of …
The Adjoint Is All You Need: Characterizing Barren Plateaus in Quantum Ans\" atze
Using tools from the representation theory of compact Lie groups we formulate a theory of
Barren Plateaus (BPs) for parameterized quantum circuits where the observable lies in the …
Barren Plateaus (BPs) for parameterized quantum circuits where the observable lies in the …
[PDF][PDF] Early fault-tolerant quantum computing
In recent years, research in quantum computing has largely focused on two approaches:
near-term intermediate-scale quantum (NISQ) computing and future fault-tolerant quantum …
near-term intermediate-scale quantum (NISQ) computing and future fault-tolerant quantum …
Quantum-enhanced greedy combinatorial optimization solver
Combinatorial optimization is a broadly attractive area for potential quantum advantage, but
no quantum algorithm has yet made the leap. Noise in quantum hardware remains a …
no quantum algorithm has yet made the leap. Noise in quantum hardware remains a …
Quantum optimization using a 127-qubit gate-model IBM quantum computer can outperform quantum annealers for nontrivial binary optimization problems
We introduce a comprehensive quantum solver for binary combinatorial optimization
problems on gate-model quantum computers that outperforms any published alternative and …
problems on gate-model quantum computers that outperforms any published alternative and …
[HTML][HTML] Scaling whole-chip QAOA for higher-order Ising spin glass models on heavy-hex graphs
We show that the quantum approximate optimization algorithm (QAOA) for higher-order,
random coefficient, heavy-hex compatible spin glass Ising models has strong parameter …
random coefficient, heavy-hex compatible spin glass Ising models has strong parameter …
Design and execution of quantum circuits using tens of superconducting qubits and thousands of gates for dense Ising optimization problems
We develop a hardware-efficient ansatz for variational optimization, derived from existing
ansatzes in the literature, that parametrizes subsets of all interactions in the cost Hamiltonian …
ansatzes in the literature, that parametrizes subsets of all interactions in the cost Hamiltonian …
Constrained optimization via quantum zeno dynamics
Constrained optimization problems are ubiquitous in science and industry. Quantum
algorithms have shown promise in solving optimization problems, yet none of the current …
algorithms have shown promise in solving optimization problems, yet none of the current …
Alignment between initial state and mixer improves QAOA performance for constrained optimization
Quantum alternating operator ansatz (QAOA) has a strong connection to the adiabatic
algorithm, which it can approximate with sufficient depth. However, it is unclear to what …
algorithm, which it can approximate with sufficient depth. However, it is unclear to what …