Quantum simulation for high-energy physics
It is for the first time that quantum simulation for high-energy physics (HEP) is studied in the
US decadal particle-physics community planning, and in fact until recently, this was not …
US decadal particle-physics community planning, and in fact until recently, this was not …
Exponential error suppression for near-term quantum devices
B Koczor - Physical Review X, 2021 - APS
Suppressing noise in physical systems is of fundamental importance. As quantum
computers mature, quantum error correcting codes (QECs) will be adopted in order to …
computers mature, quantum error correcting codes (QECs) will be adopted in order to …
Ground-state preparation and energy estimation on early fault-tolerant quantum computers via quantum eigenvalue transformation of unitary matrices
Under suitable assumptions, some recently developed quantum algorithms can estimate the
ground-state energy and prepare the ground state of a quantum Hamiltonian with near …
ground-state energy and prepare the ground state of a quantum Hamiltonian with near …
Quantum computing: an overview across the system stack
Quantum computers, if fully realized, promise to be a revolutionary technology. As a result,
quantum computing has become one of the hottest areas of research in the last few years …
quantum computing has become one of the hottest areas of research in the last few years …
Mitigating depolarizing noise on quantum computers with noise-estimation circuits
A significant problem for current quantum computers is noise. While there are many distinct
noise channels, the depolarizing noise model often appropriately describes average noise …
noise channels, the depolarizing noise model often appropriately describes average noise …
Efficient measure for the expressivity of variational quantum algorithms
The superiority of variational quantum algorithms (VQAs) such as quantum neural networks
(QNNs) and variational quantum eigensolvers (VQEs) heavily depends on the expressivity …
(QNNs) and variational quantum eigensolvers (VQEs) heavily depends on the expressivity …
Randomized compiling for scalable quantum computing on a noisy superconducting quantum processor
The successful implementation of algorithms on quantum processors relies on the accurate
control of quantum bits (qubits) to perform logic gate operations. In this era of noisy …
control of quantum bits (qubits) to perform logic gate operations. In this era of noisy …
Optimized SWAP networks with equivalent circuit averaging for QAOA
The SWAP network is a qubit routing sequence that can be used to efficiently execute the
Quantum Approximate Optimization Algorithm (QAOA). Even with a minimally connected …
Quantum Approximate Optimization Algorithm (QAOA). Even with a minimally connected …
First-order phase transition of the Schwinger model with a quantum computer
We explore the first-order phase transition in the lattice Schwinger model in the presence of
a topological θ-term by means of the variational quantum eigensolver (VQE). Using two …
a topological θ-term by means of the variational quantum eigensolver (VQE). Using two …
Resource estimation for quantum variational simulations of the Hubbard model
Z Cai - Physical Review Applied, 2020 - APS
As the advances in quantum hardware bring us into the noisy intermediate-scale quantum
(NISQ) era, one possible task we can perform without quantum error correction using NISQ …
(NISQ) era, one possible task we can perform without quantum error correction using NISQ …