Experimental demonstration of input-output indefiniteness in a single quantum device
Quantum theory allows information to flow through a single device in a coherent
superposition of two opposite directions, resulting into situations where the input-output …
superposition of two opposite directions, resulting into situations where the input-output …
Quantum switch instabilities with an open control
The superposition of causal orders shows promise in various quantum technologies.
However, the fragility of quantum systems arising from environmental interactions, leading to …
However, the fragility of quantum systems arising from environmental interactions, leading to …
Quantum causal inference with extremely light touch
X Liu, Y Qiu, O Dahlsten, V Vedral - ar**s between
particular affine/linear spaces. This structure includes basic quantum elements such as …
particular affine/linear spaces. This structure includes basic quantum elements such as …
Towards a general framework of Randomized Benchmarking incorporating non-Markovian Noise
The rapid progress in the development of quantum devices is in large part due to the
availability of a wide range of characterization techniques allowing to probe, test and adjust …
availability of a wide range of characterization techniques allowing to probe, test and adjust …
Incompatibility as a resource for programmable quantum instruments
K Ji, E Chitambar - PRX Quantum, 2024 - APS
Quantum instruments represent the most general type of quantum measurement, as they
incorporate processes with both classical and quantum outputs. In many scenarios, it may …
incorporate processes with both classical and quantum outputs. In many scenarios, it may …
Strategies for single-shot discrimination of process matrices
The topic of causality has recently gained traction quantum information research. This work
examines the problem of single-shot discrimination between process matrices which are an …
examines the problem of single-shot discrimination between process matrices which are an …
Coherent activation of a steerability-breaking channel
The inevitable noise within one-sided device-independent quantum information tasks may
completely break any steering resources. These noisy effects are characterized by the …
completely break any steering resources. These noisy effects are characterized by the …
Transformations between arbitrary (quantum) objects and the emergence of indefinite causality
S Milz, MT Quintino - ar**s between
particular affine/linear spaces. This structure includes basic quantum elements such as …
particular affine/linear spaces. This structure includes basic quantum elements such as …
Relations between Markovian and non-Markovian correlations in multitime quantum processes
G Zambon, DO Soares-Pinto - Physical Review A, 2024 - APS
In the dynamics of open quantum systems, information may propagate in time through either
the system or the environment, giving rise to Markovian and non-Markovian temporal …
the system or the environment, giving rise to Markovian and non-Markovian temporal …