Previously proposed quantum algorithms for solving linear systems of equations cannot be
implemented in the near term due to the required circuit depth. Here, we propose a hybrid …

We investigate the real-time dynamics of the (1+ 1)-dimensional U (1) gauge theory known
as the Schwinger model via variational quantum algorithms. Specifically, we simulate …

We propose a quantum inverse algorithm (QInverse) to directly determine general
eigenstates by repeatedly applying the inverse power of a shifted Hamiltonian to an arbitrary …

Quantum simulation, as a practical application of noisy quantum computing, has aided the
study of exotic quantum matters and the implementation of algorithms that outperform …

In this work, we utilize the framework of many-body expansion (MBE) to decompose
electronic structures into fragments by incrementing virtual orbitals, aiming to accurately …

Quantum batteries are predicted to have the potential to outperform their classical
counterparts and are therefore an important element in the development of quantum …

We introduce the framework of model space into quantum imaginary time evolution (QITE) to
enable stable estimation of ground and excited states using a quantum computer. Model …

Current quantum simulators suffer from multiple limitations such as short coherence time,
noisy operations, faulty readout and restricted qubit connectivity in some platforms …

Simulation of quantum many-body systems is a promising application of quantum
computers. However, implementing the time-evolution operator as a quantum circuit …

The time evolution of quantum many-body systems is one of the most promising applications
for near-term quantum computers. However, the utility of current quantum devices is strongly …