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检索条件"主题词=superdense coding"
48 条 记 录,以下是41-50 订阅
排序:
Quantum information processing through a genuine five-qubit entangled state in cavity QED
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QUANTUM INFORMATION PROCESSING 2010年 第5期9卷 643-662页
作者: Qiu, Liang China Univ Min & Technol Dept Phys Xuzhou 221116 Peoples R China
The utility of a five-qubit entangled state for quantum teleportation, quantum state sharing and superdense coding is investigated. The state can be utilized for perfect teleportation and quantum state sharing of an a... 详细信息
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Optimal superdense coding of entangled states
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IEEE TRANSACTIONS ON INFORMATION THEORY 2006年 第8期52卷 3635-3641页
作者: Abeyesinghe, Anura Hayden, Patrick Smith, Graeme Winter, Andreas J. CALTECH Inst Quantum Informat Pasadena CA 91125 USA McGill Univ Sch Comp Sci Montreal PQ H2A 3A7 Canada Univ Bristol Dept Math Bristol BS8 1UB Avon England
In this paper, we present a one-shot method for preparing pure entangled states between a sender and a receiver at a minimal cost of entanglement and quantum communication. In the case of preparing unentangled states,... 详细信息
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ANCILLA-ASSISTED DISCRIMINATION OF QUANTUM GATES
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QUANTUM INFORMATION & COMPUTATION 2010年 第1-2期10卷 160-177页
作者: Chen, Jianxin Ying, Mingsheng Tsinghua Univ State Key Lab Intelligent Technol & Syst Dept Comp Sci & Technol Beijing 100084 Peoples R China Univ Technol Sydney Fac Engn & Informat Technol Ctr Quantum Computat & Intelligent Syst Sydney NSW 2007 Australia
The intrinsic idea of superdense coding is to find as many gates as possible such that they can be perfectly discriminated. In this paper, we consider a basic scheme of discrimination of quantum gates, called ancilla-... 详细信息
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Simple schemes for quantum information processing with W-type entanglement
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QUANTUM INFORMATION PROCESSING 2009年 第5期8卷 431-442页
作者: Wang, Xin-Wen Yang, Guo-Jian Su, Yu-Huan Xie, Min Beijing Normal Univ Dept Phys Beijing 100875 Peoples R China Beijing Normal Univ Appl Opt Beijing Area Major Lab Beijing 100875 Peoples R China
Simple schemes are proposed for implementing deterministic teleportation, superdense coding, and quantum information splitting with W-type entangled states. The physical realization of these schemes should be much sim... 详细信息
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superdense coding via Hot Trapped Ions
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Communications in Theoretical Physics 2004年 第6期41卷 871-874页
作者: QINTao FENGMang GAOKe-Lin Mathema-tics TheChineseAcademyofSciencesWuhan430071China
superdense coding plays an important role in quantum information and can be performed with trapped ions. By confining the ions in a linear trap or a trap-cavity setup, we propose schemes to implement a reliable superd... 详细信息
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Limits on the ability of quantum states to convey classical messages
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JOURNAL OF THE ACM 2006年 第1期53卷 184-206页
作者: Nayak, A Salzman, J Univ Waterloo Dept Combinator & Optimizat Waterloo ON N2L 3G1 Canada Perimeter Inst Theoret Phys Waterloo ON Canada Stanford Univ Dept Stat Stanford CA 94305 USA
We revisit the problem of conveying classical messages by transmitting quantum states, and derive new, optimal bounds on the number of quantum bits required for this task. Much of the previous work on this problem, an... 详细信息
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Quantum entanglement and its application
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NEC RESEARCH & DEVELOPMENT 2003年 第3期44卷 297-301页
作者: Ishizaka, S Hiroshima, T Fundamental Research Laboratories Tsukuba Japan
Quantum entanglement is the most striking feature of quantum mechanics and is considered an important and valuable resource in quantum information processing. Intensive challenges to harness the power of the quantum e... 详细信息
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CLASSICAL CAPACITY OF A NOISELESS QUANTUM CHANNEL ASSISTED BY NOISY ENTANGLEMENT
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QUANTUM INFORMATION & COMPUTATION 2001年 第3期1卷 70-78页
作者: Horodecki, Michal Horodecki, Pawel Horodecki, Ryszard Leung, Debbie W. Terhal, Barbara M. Univ Gdansk Inst Theoret Phys & Astrophys PL-80952 Gdansk Poland Gdansk Univ Technol Fac Appl Phys & Math PL-80952 Gdansk Poland IBM Corp TJ Watson Res Ctr New York NY 10598 USA
We derive the general formula for the capacity of a noiseless quantum channel assisted by an arbitrary amount of noisy entanglement. In this capacity formula, the ratio of the quantum mutual information and the von Ne... 详细信息
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