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Browsing by Author "Wang Gehong"

Now showing items 1-13 of 13

Deterministic Distributed Dense Coding With Stabilizer States

Wang Gehong; Ying Mingsheng (Amer Physical Soc, 2008)

We consider the possibility of using stabilizer states to perform deterministic dense coding among multiple senders and a single receiver. In the model we studied, the utilized stabilizer state is partitioned into several ...
Discrimination Between Pure States And Mixed States

Zhang Chengqi; Wang Gehong; Ying Mingsheng (American Physical Soc, 2007)

In this paper, we discuss the problem of determining whether a quantum system is in a pure state, or in a mixed state. We apply two strategies to settle this problem: the unambiguous discrimination and the maximum confidence ...
Effect Of Topological Defects On Buckling Behavior Of Single-Walled Carbon Nanotube

Ranjbartoreh Ali Rezah; Wang Gehong (Springer, 2011)

Molecular dynamic simulation method has been employed to consider the critical buckling force, pressure, and strain of pristine and defected single-walled carbon nanotube (SWCNT) under axial compression.
Highly Ordered Mesoporous Cobalt Oxide Nanostructures: Synthesis, Characterisation, Magnetic Properties, And Applications For Electrochemical Energy Devices

Wang Gehong; Liu Hua-Kun; Horvat Josip; Wang Bing; Qiao Sz; Park J; Ahn Hyojun (Wiley-V C H Verlag Gmbh, 2010)

Highly ordered mesoporous Co3O4 nanostructures were prepared using KIT-6 and SBA-15 silica as hard templates. The structures were confirmed by small angle X-ray diffraction, high resolution transmission electron microscopy, ...
Hydrothermally Processed Oxide Nanostructures And Their Lithium-Ion Storage Properties

Ahn Jung; Kim Youn Sik; Wang Gehong (Springer, 2010)

Y- and Si-based oxide nanopowders were synthesized by a hydrothermal reaction of Y or Si powders with NaOH or LiOH aqueous solution. Nanoparticles with different morphology such as elongated nanospheres, flower-like ...
Mn3O4 Nanoparticles Embedded Into Graphene Nanosheets: Preparation, Characterization, And Electrochemical Properties For Supercapacitors

Wang Bing; Park J; Wang Changxin; Ahn Hyojun; Wang Gehong (Pergamon-Elsevier Science Ltd, 2010)

Mn3O4/graphene nanocomposites were synthesized by mixing graphene suspension in ethylene glycol with MnO2 organosol, followed by subsequent ultrasonication processing and heat treatment. The as-prepared product consists ...
Multipartite Unlockable Bound Entanglement In The Stabilizer Formalism

Wang Gehong; Ying Mingsheng (American Physical Soc, 2007)

We find an interesting relationship between multipartite bound entangled states and the stabilizer formalism. We prove that, if a set of commuting operators from the generalized Pauli group on n qudits satisfy certain ...
Ni@Pt Core-Shell Nanoparticles With Enhanced Catalytic Activity For Oxygen Reduction Reaction

Wang Gehong; Wu Helen; Wexler D.; Liu Hua-Kun; Savadogo O (Elsevier Science Sa, 2010)

Ni@Pt core-shell nanoparticles were synthesized by chemical reduction and sequential chemical deposition. The as-prepared nanoparticles were characterized by X-ray diffraction and high resolution transmission electron ...
Perfect Many-To-One Teleportation With Stabilizer States

Wang Gehong; Ying Mingsheng (Amer Physical Soc, 2008)

We study the possibility of performing perfect teleportation of unknown quantum states from multiple senders to a single receiver with a previously shared stabilizer state. In the model we considered, the utilized stabilizer ...
Pt1-Xcox Nanoparticles As Cathode Catalyst For Proton Exchange Membrane Fuel Cells With Enhanced Catalytic Activity

Wu Helen; Wexler D.; Liu Hua-Kun; Savadogo O; Ahn Jung; Wang Gehong (Elsevier Science Sa, 2010)

Nanosize carbon-supported Pt1-xCox (x = 0.2, 0.3, and 0.45) electrocatalysts were prepared by a chemical reduction method using sodium borohydride (NaBH4) as the reduction agent. Transmission electron microscopy examination ...
Synthesis Of Mesoporous Alpha-Fe2O3 Nanostructures For Highly Sensitive Gas Sensors And High Capacity Anode Materials In Lithium Ion Batteries

Sun Bh; Horvat Josip; Kim Hyo-Jeong; Kim Woo-Jin; Ahn Jung; Wang Gehong (Amer Chemical Soc, 2010)

Mesoporous alpha-Fe2O3 materials were prepared in large quantity by the soft template synthesis method using the triblock copolymer surfactant F127 as the template. Nitrogen adsorption desorption isothermal measurements ...
Unambiguous Discrimination Among Quantum Operations

Wang Gehong; Ying Mingsheng (American Physical Soc, 2006)

We address the problem of unambiguous discrimination among a given set of quantum operations. The necessary and sufficient condition for them to be unambiguously distinguishable is derived in the cases of single use and ...
Using synthetic data to evaluate the imapct of RTGS on systemic risk in the Australian payments system

Docherty Peter; Wang Gehong (Elsevier, 2010)

This paper develops a new methodology for allowing researchers outside central banks to test the extent of payment system risk, and applies this methodology to an investigation of the impact that the introduction of real ...

Now showing items 1-13 of 13

Browsing by Author "Wang Gehong"

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Browsing by Author "Wang Gehong"