Efficient and Robust Parameter Optimization of the Unitary Coupled-Cluster Ansatz
The variational quantum eigensolver (VQE) framework has been instrumental in advancing
near-term quantum algorithms. However, parameter optimization remains a significant …
near-term quantum algorithms. However, parameter optimization remains a significant …
Oscillatory dissipative tunneling in an asymmetric double-well potential
Dissipative tunneling remains a cornerstone effect in quantum mechanics. In chemistry, it
plays a crucial role in governing the rates of chemical reactions, often modeled as the …
plays a crucial role in governing the rates of chemical reactions, often modeled as the …
Quantum Machine Learning of Molecular Energies with Hybrid Quantum-Neural Wavefunction
Quantum computational chemistry holds great promise for simulating molecular systems
more efficiently than classical methods by leveraging quantum bits to represent molecular …
more efficiently than classical methods by leveraging quantum bits to represent molecular …
Stabilizer ground states: theory, algorithms and applications
Stabilizer states have been commonly utilized in quantum information, quantum error
correction, and quantum circuit simulation due to their simple mathematical structure. In this …
correction, and quantum circuit simulation due to their simple mathematical structure. In this …
L2O-: Learning to Optimize Parameterized Quantum Circuits with Fubini-Study Metric Tensor
Before the advent of fault-tolerant quantum computers, variational quantum algorithms
(VQAs) play a crucial role in noisy intermediate-scale quantum (NISQ) machines …
(VQAs) play a crucial role in noisy intermediate-scale quantum (NISQ) machines …
Multi-Reference UCCSD Variational Quantum Algorithm for Molecular Ground State Energies
D Wu, CL Bai, H Sagawa, HQ Zhang - arxiv preprint arxiv:2408.16523, 2024 - arxiv.org
We implement the Multi-Reference Unitary Coupled Cluster Singles and Doubles (MR-
UCCSD) model with a quantum circuit that conserves the particle number to study the …
UCCSD) model with a quantum circuit that conserves the particle number to study the …
Reducing PEC Overhead by Pauli Error Propagation
T Scheiber, P Haubenwallner, M Heller - arxiv preprint arxiv:2412.01311, 2024 - arxiv.org
Quantum error mitigation is regarded as a possible path to near-term quantum utility. The
methods under the quantum error mitigation umbrella term, such as probabilistic error …
methods under the quantum error mitigation umbrella term, such as probabilistic error …