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 …
Benchmarking one-shot distillation in general quantum resource theories
We study the one-shot distillation of general quantum resources, providing a unified
quantitative description of the maximal fidelity achievable in this task, and revealing …
quantitative description of the maximal fidelity achievable in this task, and revealing …
Correlation in catalysts enables arbitrary manipulation of quantum coherence
R Takagi, N Shiraishi - Physical Review Letters, 2022 - APS
Quantum resource manipulation may include an ancillary state called a catalyst, which aids
the transformation while restoring its original form at the end, and characterizing the …
the transformation while restoring its original form at the end, and characterizing the …
Application of the resource theory of channels to communication scenarios
We introduce a resource theory of channels relevant to communication via quantum
channels, in which the set of constant channels—useless channels for communication tasks …
channels, in which the set of constant channels—useless channels for communication tasks …
Operational quantification of continuous-variable quantum resources
The diverse range of resources which underlie the utility of quantum states in practical tasks
motivates the development of universally applicable methods to measure and compare …
motivates the development of universally applicable methods to measure and compare …
Wigner-Araki-Yanase theorem for continuous and unbounded conserved observables
Y Kuramochi, H Tajima - Physical review letters, 2023 - APS
The Wigner-Araki-Yanase (WAY) theorem states that additive conservation laws imply the
commutativity of exactly implementable projective measurements and the conserved …
commutativity of exactly implementable projective measurements and the conserved …
Universal fault-tolerant quantum computing with stabilizer codes
The quantum logic gates used in the design of a quantum computer should be both
universal, meaning arbitrary quantum computations can be performed, and fault-tolerant …
universal, meaning arbitrary quantum computations can be performed, and fault-tolerant …
Universal limitation of quantum information recovery: symmetry versus coherence
Quantum information is scrambled via chaotic time evolution in many-body systems. The
recovery of initial information embedded locally in the system from the scrambled quantum …
recovery of initial information embedded locally in the system from the scrambled quantum …
One-shot manipulation of dynamical quantum resources
We develop a unified framework to characterize one-shot transformations of dynamical
quantum resources in terms of resource quantifiers, establishing universal conditions for …
quantum resources in terms of resource quantifiers, establishing universal conditions for …
Robustness of controlled Hamiltonian approaches to unitary quantum gates
We examine the effectiveness and resilience of achieving quantum gates employing three
approaches stemming from quantum control methods: counterdiabatic driving, Floquet …
approaches stemming from quantum control methods: counterdiabatic driving, Floquet …