Adiabatic quantum computation

T Albash, DA Lidar - Reviews of Modern Physics, 2018 - APS
Adiabatic quantum computing (AQC) started as an approach to solving optimization
problems and has evolved into an important universal alternative to the standard circuit …

Colloquium: Area laws for the entanglement entropy

J Eisert, M Cramer, MB Plenio - Reviews of modern physics, 2010 - APS
Physical interactions in quantum many-body systems are typically local: Individual
constituents interact mainly with their few nearest neighbors. This locality of interactions is …

Ground-state preparation and energy estimation on early fault-tolerant quantum computers via quantum eigenvalue transformation of unitary matrices

Y Dong, L Lin, Y Tong - PRX Quantum, 2022 - APS
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 …

Even shorter quantum circuit for phase estimation on early fault-tolerant quantum computers with applications to ground-state energy estimation

Z Ding, L Lin - PRX Quantum, 2023 - APS
We develop a phase-estimation method with a distinct feature: its maximal run time (which
determines the circuit depth) is δ/ϵ, where ϵ is the target precision, and the preconstant δ …

Heisenberg-limited ground-state energy estimation for early fault-tolerant quantum computers

L Lin, Y Tong - PRX Quantum, 2022 - APS
Under suitable assumptions, the quantum-phase-estimation (QPE) algorithm is able to
achieve Heisenberg-limited precision scaling in estimating the ground-state energy …

Single-ancilla ground state preparation via Lindbladians

Z Ding, CF Chen, L Lin - Physical Review Research, 2024 - APS
We design a quantum algorithm for ground state preparation in the early fault tolerant
regime. As a Monte Carlo style quantum algorithm, our method features a Lindbladian …

Undecidability of the spectral gap

TS Cubitt, D Perez-Garcia, MM Wolf - Nature, 2015 - nature.com
The spectral gap—the energy difference between the ground state and first excited state of a
system—is central to quantum many-body physics. Many challenging open problems, such …

Near-optimal ground state preparation

L Lin, Y Tong - Quantum, 2020 - quantum-journal.org
Preparing the ground state of a given Hamiltonian and estimating its ground energy are
important but computationally hard tasks. However, given some additional information, these …

Universal computation by quantum walk

AM Childs - Physical review letters, 2009 - APS
In some of the earliest work on quantum computing, Feynman showed how to implement
universal quantum computation with a time-independent Hamiltonian. I show that this …

Adiabatic quantum computation is equivalent to standard quantum computation

D Aharonov, W Van Dam, J Kempe, Z Landau, S Lloyd… - SIAM review, 2008 - SIAM
The model of adiabatic quantum computation is a relatively recent model of quantum
computation that has attracted attention in the physics and computer science communities …