Results 81 to 90 of about 1,059,392 (308)

QUANTUM INFORMATION AND COMPUTATION [PDF]

, 2007
This article deals with theoretical developments in the subject of quantum information and quantum computation, and includes an overview of classical information and some relevant quantum mechanics. The discussion covers topics in quantum communication, quantum cryptography, and quantum computation, and concludes by considering whether a perspective in
openaire   +3 more sources

Determining the Continuous Family of Quantum Fisher Information from Linear Response Theory

, 2016
The quantum Fisher information represents the continuous family of metrics on the space of quantum states and places the fundamental limit on the accuracy of quantum state estimation.
Shitara, Tomohiro, Ueda, Masahito
core   +1 more source

Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO2‐to‐Formate Conversion

Advanced Functional Materials, EarlyView.
A coordination polymer [Pb(tadt)]n prepared by a microwave‐assisted solvothermal method selectively reduces CO2 into formate under visible light with a high apparent quantum yield of ≈25% at 400 nm. It can function as a pre‐catalyst, along with conductive Ketjen Black, to form an active PbCO3/Pb3(CO3)2(OH)2 mixture that exhibits a high Faradaic ...
Chomponoot Suppaso, Ryosuke Nakazato, Shoko Nakahata, Yoshinobu Kamakura, Fumitaka Ishiwari, Akinori Saeki, Daisuke Tanaka, Kazuhide Kamiya, Kazuhiko Maeda   +8 more
wiley   +1 more source

Characterizing noise correlation and enhancing coherence via qubit motion

Fundamental Research, 2021
The identification of spacial noise correlation is of critical importance in developing error-corrected quantum devices, but it has barely been studied so far. In this work, we utilize an effective method called qubit motion, to efficiently determine the
Jiaxiu Han, Zhiyuan Li, Jingning Zhang, Huikai Xu, Kehuan Linghu, Yongchao Li, Chengyao Li, Mo Chen, Zhen Yang, Junhua Wang, Teng Ma, Guangming Xue, Yirong Jin, Haifeng Yu   +13 more
doaj  

Quantum Information Processing with Quantum Optics

Annales Henri Poincaré, 2003
We review theoretical proposals for implementation of quantum computing and quantum communication with quantum optical methods.
Cirac, J, Duan, L, Jaksch, D, Zoller, P
openaire   +2 more sources

Matter as Information. Quantum Information as Matter [PDF]

, 2016
Quantum information is discussed as the universal substance of the world. It is interpreted as that generalization of classical information, which includes both finite and transfinite ordinal numbers.
Penchev, Vasil
core  

Deciphering the Origin of Higher Shell Coordination on Single Iron Catalysts for Resilient Modulating Persulfate Oxidation Into Singlet Oxygen Pathway

Advanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
This study reveals that higher shell S coordination can effectively modulate the spin state of FeN4 site via long‐range electronic interactions, giving rise to the oriented generation of singlet oxygen from peroxymonosulfate activation. Abstract Precise manipulation of coordination structure of single‐atom sites and establishment of schematic ...
Liang Zhang, Kai Cheng, Zhizhi Yang, Ye Zhang, Shiro Kubuki, Paul A. Bingham, Yang‐Chun Yong, Bofan Zhang, Xiaoguang Duan   +8 more
wiley   +1 more source

Individually addressed entangling gates in a two-dimensional ion crystal

Nature Communications
Two-dimensional (2D) ion crystals may represent a promising path to scale up qubit numbers for ion trap quantum information processing. However, to realize universal quantum computing in this system, individually addressed high-fidelity two-qubit ...
Y.-H. Hou, Y.-J. Yi, Y.-K. Wu, Y.-Y. Chen, L. Zhang, Y. Wang, Y.-L. Xu, C. Zhang, Q.-X. Mei, H.-X. Yang, J.-Y. Ma, S.-A. Guo, J. Ye, B.-X. Qi, Z.-C. Zhou, P.-Y. Hou, L.-M. Duan   +16 more
doaj   +1 more source

Heisenberg-limited single-mode quantum metrology in a superconducting circuit

Nature Communications, 2019
Reaching a quantum advantage in metrology usually requires hard-to-prepare two-mode entangled states such as NOON states. Here, instead, the authors demonstrate single-mode phase estimation using Fock states superpositions in a superconducting qubit ...
W. Wang, Y. Wu, Y. Ma, W. Cai, L. Hu, X. Mu, Y. Xu, Zi-Jie Chen, H. Wang, Y. P. Song, H. Yuan, C.-L. Zou, L.-M. Duan, L. Sun   +13 more
doaj   +1 more source

The Symmetries of Quantum and Classical Information. The Ressurected “Ether" of Quantum Information

SSRN Electronic Journal, 2021
The paper considers the symmetries of a bit of information corresponding to one, two or three qubits of quantum information and identifiable as the three basic symmetries of the Standard model, U(1), SU(2), and SU(3) accordingly. They refer to “empty qubits” (or the free variable of quantum information), i.e. those in which no point
openaire   +5 more sources