New class of quantum error-correcting codes for a bosonic mode
We construct a new class of quantum error-correcting codes for a bosonic mode, which are
advantageous for applications in quantum memories, communication, and scalable …
advantageous for applications in quantum memories, communication, and scalable …
HASM quantum machine learning
T Yue, C Wu, Y Liu, Z Du, N Zhao, Y Jiao, Z Xu… - Science China Earth …, 2023 - Springer
The miniaturization of transistors led to advances in computers mainly to speed up their
computation. Such miniaturization has approached its fundamental limits. However, many …
computation. Such miniaturization has approached its fundamental limits. However, many …
Quantum error correction using squeezed Schrödinger cat states
Bosonic quantum codes redundantly encode quantum information in the states of a quantum
harmonic oscillator, making it possible to detect and correct errors. Schrödinger cat codes …
harmonic oscillator, making it possible to detect and correct errors. Schrödinger cat codes …
Quantum error correction: Noise-adapted techniques and applications
A Jayashankar, P Mandayam - Journal of the Indian Institute of Science, 2023 - Springer
The quantum computing devices of today have tens to hundreds of qubits that are highly
susceptible to noise due to unwanted interactions with their environment. The theory of …
susceptible to noise due to unwanted interactions with their environment. The theory of …
Universal recovery maps and approximate sufficiency of quantum relative entropy
The data processing inequality states that the quantum relative entropy between two states ρ
ρ and σ σ can never increase by applying the same quantum channel NN to both states. This …
ρ and σ σ can never increase by applying the same quantum channel NN to both states. This …
Quantum algorithm for Petz recovery channels and pretty good measurements
The Petz recovery channel plays an important role in quantum information science as an
operation that approximately reverses the effect of a quantum channel. The pretty good …
operation that approximately reverses the effect of a quantum channel. The pretty good …
Recoverability in quantum information theory
MM Wilde - Proceedings of the Royal Society A …, 2015 - royalsocietypublishing.org
The fact that the quantum relative entropy is non-increasing with respect to quantum
physical evolutions lies at the core of many optimality theorems in quantum information …
physical evolutions lies at the core of many optimality theorems in quantum information …
Quantum channel construction with circuit quantum electrodynamics
Quantum channels can describe all transformations allowed by quantum mechanics. We
adapt two existing works [S. Lloyd and L. Viola, Phys. Rev. A 65, 010101 (2001) PLRAAN …
adapt two existing works [S. Lloyd and L. Viola, Phys. Rev. A 65, 010101 (2001) PLRAAN …
Quantum non-Markovianity: Overview and recent developments
In the current era of noisy intermediate-scale quantum (NISQ) devices, research on the
theory of open system dynamics has a crucial role to play. In particular, understanding and …
theory of open system dynamics has a crucial role to play. In particular, understanding and …
Time-symmetric correlations for open quantum systems
Two-time expectation values of sequential measurements of dichotomic observables are
known to be time symmetric for closed quantum systems. Namely, if a system evolves …
known to be time symmetric for closed quantum systems. Namely, if a system evolves …