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Showing 2007Show all

165 papers · 1 filter

cond-mat.mes-hall2007★ 21 cited

Current-induced Spin Polarization in Two-Dimensional Hole Gas

Chao-Xing Liu, Bin Zhou, Shun-Qing Shen +1

We investigate the current-induced spin polarization in the two-dimensional hole gas (2DHG) with the structure inversion asymmetry. By using the perturbation theory, we re-derive t…

quant-ph2007★ 22 cited

Entanglement between Two Uses of a Noisy Multipartite Quantum Channel Enables Perfect Transmission of Classical Information

Runyao Duan, Yaoyun Shi

Suppose that senders want to transmit classical information to receivers with zero probability of error using a noisy multipartite communication channel. The senders are al…

hep-ex2007★ 4 cited

Direct Measurements of the Branching Fractions for Inclusive and Inclusive Semileptonic Decays of and Mesons

BES Collaboration

With singly-tagged samples selected from the data collected at and around 3.773 GeV with the BESII detector at the BEPC collider, we have measured the branching fractions…

quant-ph2007

Efficient One-way Quantum Computations for Quantum Error Correction

Wei Huang, Zhaohui Wei

We show how to explicitly construct an size and constant quantum depth circuit which encodes any given -qubit stabilizer code with generators. Our construction is de…

quant-ph2007★ 4 cited

Reply to the comment on "Stochastic local operations and classical communication invariant and the residual entanglement for n qubits"

D. Li, X. Li, H. Huang

We have reviewed the comment in [3], posted on arXiv.org concerning our recent work in [1]. We reply to the comment in this paper.

hep-ex2007★ 95 cited

New limits on spin-independent and spin-dependent couplings of low-mass WIMP dark matter with a germanium detector at a threshold of 220 eV

TEXONO Collaboration, S. T. Lin

An energy threshold of (220+-10) eV was achieved at an efficiency of 50% with a four-channel ultra-low-energy germanium detector each with an active mass of 5 g. This provides a un…

math.RT2007★ 2 cited

Cluster combinatorics of d-cluster categories

Yu Zhou, Bin Zhu

We study the cluster combinatorics of cluster tilting objects in cluster categories. By using mutations of maximal rigid objects in cluster categories which are defined…

hep-ex2007★ 135 cited

Observation of Y(2175) in

BES Collaboration, M. Ablikim

The decays of are analyzed using a sample of events collected with the BESII detector at the…

cond-mat.mtrl-sci2007★ 157 cited

Making a field effect transistor on a single graphene nanoribbon by selective doping

Bing Huang, Qimin Yan, Gang Zhou +4

Using first-principle electronic structure calculations, we show a metal- semiconductor transition of a metallic graphene nanoribbon with zigzag edges induced by substitutional dop…

cond-mat.mtrl-sci2007★ 9 cited

Systematic changes of the electronic structure of the diluted ferromagnetic oxide Li-doped NiFeO with hole doping

M. Kobayashi, J. I. Hwang, G. S. Song +11

The electronic structure of Li-doped NiFeO has been investigated using photoemission spectroscopy (PES) and x-ray absorption spectroscopy (XAS). The Ni core-level…

astro-ph2007★ 9 cited

Collisional interaction limits between dark matters and baryons in `cooling flow' clusters

Jian Hu, Yu-Qing Lou

Presuming weak collisional interactions to exchange the kinetic energy between dark matter and baryonic matter in a galaxy cluster, we re-examine the effectiveness of this process…

cond-mat.supr-con2007★ 5 cited

Asymmetric Fermi Superfluid With Two Types Of Pairings

Xuguang Huang, Xuewen Hao, Pengfei Zhuang

We investigate the phase diagram in the plane of temperature and chemical potential mismatch for an asymmetric fermion superfluid with double- and single-species pairings. There is…

quant-ph2007

Gamma Standing Wave in the Photonic Crystal of Resonant Rh Nuclei

Yao Cheng, Bing Xia

In a previous report, we have shown that the rhodium lattice consisting of resonant nuclei is an ideal photonic crystal in nature. Plenty of extraordinary observations are attribut…

nlin.SI2007★ 19 cited

On Properties of Hamiltonian Structures for a Class of Evolutionary PDEs

Si-Qi Liu, Chao-Zhong Wu, Youjin Zhang

In \cite{LZ2} it is proved that for certain class of perturbations of the hyperbolic equation , there exist changes of coordinate, called quasi-Miura transformations,…

cs.CC2007

An analysis of a random algorithm for estimating all the matchings

Jinshan Zhang, Yan Huo, Fengshan Bai

Counting the number of all the matchings on a bipartite graph has been transformed into calculating the permanent of a matrix obtained from the extended bipartite graph by Yan Huo,…

astro-ph2007★ 29 cited

Self-Similar Dynamics of a Relativistically Hot Gas

Yu-Qing Lou, Yi Cao

In the presence of self-gravity, we investigate the self-similar dynamics of a relativistically hot gas with or without shocks in astrophysical processes of stellar core collapse,…

hep-ex2007★ 3 cited

Prospects of cold dark matter searches with an ultra-low-energy germanium detector

H. T. Wong

The report describes the research program on the development of ultra-low-energy germanium detectors, with emphasis on WIMP dark matter searches. A threshold of 100 eV is achieved…

hep-ex2007★ 4 cited

Search for the decays and

BES Collaboration

Using 58 million events collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Positron Collider, the decays and are searched for,…

quant-ph2007★ 14 cited

Perfect many-to-one teleportation with stabilizer states

Guoming Wang, Mingsheng Ying

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…

quant-ph2007★ 8 cited

Deterministic distributed dense coding with stabilizer states

Guoming Wang, Mingsheng Ying

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 sta…

math.DG2007

Translating solitons to symplectic and Lagrangian mean curvature flows

Xiaoli Han, Jiayu Li

In this paper, we construct finite blow-up examples for symplectic mean curvature flows and we study properties of symplectic translating solitons. We prove that, the Kähler angle…

math.RT2007★ 1 cited

On the cluster multiplication theorem for acyclic cluster algebras

Fan Xu

In \cite{CK2005} and \cite{Hubery2005}, the authors proved the cluster multiplication theorems for finite type and affine type. We generalize their results and prove the cluster mu…

astro-ph2007★ 92 cited

The Detection of a Light Echo from the Type Ia Supernova 2006X in M100

Xiaofeng Wang, Weidong Li, Alexei V. Filippenko +3

We report the discovery of a light echo (LE) from the Type Ia supernova (SN) 2006X in the nearby galaxy M100. The presence of the LE is supported by analysis of both the Advanced C…

nlin.SI2007★ 14 cited

A new multi-component two dimensional Toda lattice hierarchy and two dimensional Toda lattice with self-consistent sources

Xiaojun Liu, Yunbo Zeng, Runliang Lin

We propose a new multi-component two-dimensional Toda lattice hierarchy (mc2dTLH) which includes two-dimensional Toda lattice equation with self-consistent sources (2dTLSCS) as the…