Catalysis in quantum information theory
Catalysts open up new reaction pathways that can speed up chemical reactions while not
consuming the catalyst. A similar phenomenon has been discovered in quantum information …
consuming the catalyst. A similar phenomenon has been discovered in quantum information …
General probabilistic theories: An introduction
M Plávala - Physics Reports, 2023 - Elsevier
We introduce the framework of general probabilistic theories (GPTs for short). GPTs are a
class of operational theories that generalize both finite-dimensional classical and quantum …
class of operational theories that generalize both finite-dimensional classical and quantum …
Measurement reduction in variational quantum algorithms
Variational quantum algorithms are promising applications of noisy intermediate-scale
quantum (NISQ) computers. These algorithms consist of a number of separate prepare-and …
quantum (NISQ) computers. These algorithms consist of a number of separate prepare-and …
Quantifying quantum speedups: Improved classical simulation from tighter magic monotones
Consumption of magic states promotes the stabilizer model of computation to universal
quantum computation. Here, we propose three different classical algorithms for simulating …
quantum computation. Here, we propose three different classical algorithms for simulating …
Critical behaviors of non-stabilizerness in quantum spin chains
PS Tarabunga - Quantum, 2024 - quantum-journal.org
Non-stabilizerness–commonly known as magic–measures the extent to which a quantum
state deviates from stabilizer states and is a fundamental resource for achieving universal …
state deviates from stabilizer states and is a fundamental resource for achieving universal …
One Gate Makes Distribution Learning Hard
The task of learning a probability distribution from samples is ubiquitous across the natural
sciences. The output distributions of local quantum circuits are of central importance in both …
sciences. The output distributions of local quantum circuits are of central importance in both …
Classical simulation of non-Gaussian fermionic circuits
We propose efficient algorithms for classically simulating fermionic linear optics operations
applied to non-Gaussian initial states. By gadget constructions, this provides algorithms for …
applied to non-Gaussian initial states. By gadget constructions, this provides algorithms for …
Quantifying magic for multi-qubit operations
JR Seddon, ET Campbell - Proceedings of the Royal …, 2019 - royalsocietypublishing.org
The development of a framework for quantifying 'non-stabilizerness' of quantum operations
is motivated by the magic state model of fault-tolerant quantum computation and by the need …
is motivated by the magic state model of fault-tolerant quantum computation and by the need …
Complexity phase transitions generated by entanglement
Entanglement is one of the physical properties of quantum systems responsible for the
computational hardness of simulating quantum systems. But while the runtime of specific …
computational hardness of simulating quantum systems. But while the runtime of specific …
Quantifying multiqubit magic channels with completely stabilizer-preserving operations
In this paper we extend the resource theory of magic states to the channel domain by
considering completely stabilizer-preserving operations (CSPOs) as free. We introduce and …
considering completely stabilizer-preserving operations (CSPOs) as free. We introduce and …