Roads towards fault-tolerant universal quantum computation
A practical quantum computer must not merely store information, but also process it. To
prevent errors introduced by noise from multiplying and spreading, a fault-tolerant …
prevent errors introduced by noise from multiplying and spreading, a fault-tolerant …
Quantum error correction for quantum memories
BM Terhal - Reviews of Modern Physics, 2015 - APS
Active quantum error correction using qubit stabilizer codes has emerged as a promising,
but experimentally challenging, engineering program for building a universal quantum …
but experimentally challenging, engineering program for building a universal quantum …
Dynamical purification phase transition induced by quantum measurements
MJ Gullans, DA Huse - Physical Review X, 2020 - APS
Continuously monitoring the environment of a quantum many-body system reduces the
entropy of (purifies) the reduced density matrix of the system, conditional on the outcomes of …
entropy of (purifies) the reduced density matrix of the system, conditional on the outcomes of …
Entanglement phase transitions in measurement-only dynamics
Unitary circuits subject to repeated projective measurements can undergo an entanglement
phase transition (EPT) as a function of the measurement rate. This transition is generally …
phase transition (EPT) as a function of the measurement rate. This transition is generally …
Holographic quantum error-correcting codes: Toy models for the bulk/boundary correspondence
A bstract We propose a family of exactly solvable toy models for the AdS/CFT
correspondence based on a novel construction of quantum error-correcting codes with a …
correspondence based on a novel construction of quantum error-correcting codes with a …
Mixed-state long-range order and criticality from measurement and feedback
We propose a general framework for using local measurements, local unitaries, and
nonlocal classical communication to construct quantum channels, which can efficiently …
nonlocal classical communication to construct quantum channels, which can efficiently …
Quantum memory at nonzero temperature in a thermodynamically trivial system
Passive error correction protects logical information forever (in the thermodynamic limit) by
updating the system based only on local information and few-body interactions. A …
updating the system based only on local information and few-body interactions. A …
Local stabilizer codes in three dimensions without string logical operators
J Haah - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
We suggest concrete models for self-correcting quantum memory by reporting examples of
local stabilizer codes in 3D that have no string logical operators. Previously known local …
local stabilizer codes in 3D that have no string logical operators. Previously known local …
Quantum error correction for beginners
Quantum error correction (QEC) and fault-tolerant quantum computation represent one of
the most vital theoretical aspects of quantum information processing. It was well known from …
the most vital theoretical aspects of quantum information processing. It was well known from …
Low-overhead fault-tolerant quantum computing using long-range connectivity
Vast numbers of qubits will be needed for large-scale quantum computing because of the
overheads associated with error correction. We present a scheme for low-overhead fault …
overheads associated with error correction. We present a scheme for low-overhead fault …