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Showing 2014Show all

83 papers · 1 filter

cs.IT2014★ 196 cited

Wireless Information and Energy Transfer for Two-Hop Non-Regenerative MIMO-OFDM Relay Networks

Ke Xiong, Pingyi Fan, Chuang Zhang +1

This paper investigates the simultaneous wireless information and energy transfer for the non-regenerative multipleinput multiple-output orthogonal frequency-division multiplexing…

hep-ph2014★ 24 cited

Nonlinear susceptibilities under the framework of Dyson-Schwinger equations

A-Meng Zhao, Zhu-Fang Cui, Yu Jiang +1

Since the baryon-number susceptibilities are correlated with the cumulant of baryon-number fluctuations in experiments, we do calculations of the susceptibilities and compare them…

cs.IT2014★ 340 cited

Energy-Efficient Resource Assignment and Power Allocation in Heterogeneous Cloud Radio Access Networks

Mugen Peng, Kecheng Zhang, Jiamo Jiang +2

Taking full advantages of both heterogeneous networks (HetNets) and cloud access radio access networks (CRANs), heterogeneous cloud radio access networks (H-CRANs) are presented to…

quant-ph2014★ 16 cited

Linear optical demonstration of quantum speed-up with a single qudit

Xiang Zhan, Jian Li, Hao Qin +2

Though quantum algorithm acts as an important role in quantum computation science, not only for providing a great vision for solving classically unsolvable problems, but also due t…

cond-mat.supr-con2014★ 49 cited

Unabridged phase diagram for single-phased FeSexTe1-x thin films

Jincheng Zhuang, Wai Kong Yeoh, Xiangyuan Cui +6

A complete phase diagram and its corresponding physical properties are essential prerequisites to understand the underlying mechanism of iron based superconductivity. For the struc…

cond-mat.mtrl-sci2014★ 16 cited

Unveiling the Structural Origin of the High Carrier Mobility of a Molecular Monolayer on Boron Nitride

Rui Xu, Daowei He, Yuhan Zhang +10

Very recently, it was demonstrated that the carrier mobility of a molecular monolayer dioctylbenzothienobenzothiophene (C8-BTBT) on boron nitride can reach 10 cm2/Vs, the highest a…

nucl-ex2014★ 44 cited

Probe Spin-Velocity Dependent New Interactions by Spin Relaxation Times of Polarized Gas

H. Yan, G. A. Sun, S. M. Peng +4

We have constrained possible new interactions which produce nonrelativistic potentials between polarized neutrons and unpolarized matter proportional to where…

hep-ph2014★ 11 cited

Double Spin Asymmetries and in semi-inclusive DIS

Wenjuan Mao, Zhun Lu, Bo-Qiang Ma +1

We investigate the double spin asymmetries of pion production in semi-inclusive deep inelastic scattering with a longitudinal polarized beam off a transversely polarized proton tar…

physics.optics2014★ 15 cited

Non-reciprocal mu-near-zero mode in PT-symmetric magnetic domains

Jin Wang, Hui Yuan Dong, Chi Wai Ling +2

We find that a new type of non-reciprocal modes exist at an interface between two \emph{parity-time} () symmetric magnetic domains (MDs) near the frequency of zero ef…

math.RA2014

The Moore-Penrose inverse of differences and products of projectors in a ring with involution

Huihui Zhu, Jianlong Chen, Pedro Patricio

In this paper, we study the Moore-Penrose inverses of differences and products of projectors in a ring with involution. Also, some necessary and sufficient conditions for the exist…

cs.DS2014★ 2 cited

A New Exact Algorithm for Traveling Salesman Problem with Time Complexity Interval (O(n^4), O(n^3*2^n))

Yunpeng Li

Traveling salesman problem is a NP-hard problem. Until now, researchers have not found a polynomial time algorithm for traveling salesman problem. Among the existing algorithms, dy…

math.OC2014★ 4 cited

A Majorized ADMM with Indefinite Proximal Terms for Linearly Constrained Convex Composite Optimization

Min Li, Defeng Sun, Kim-Chuan Toh

This paper presents a majorized alternating direction method of multipliers (ADMM) with indefinite proximal terms for solving linearly constrained -block convex composite optimi…

math.RA2014★ 4 cited

Relative Hom-Hopf modules and total integrals

Shuangjian Guo, Xiaohui Zhang, Shengxiang Wang

Let $(H, \a)$ be a monoidal Hom-Hopf algebra and $(A, \b)$ a right $(H, \a)$-Hom-comodule algebra. We first investigate the criterion for the existence of a total integral of $(A,…

math.RA2014

A Maschke type theorem for relative Hom-Hopf modules

Shuang-jian Guo, Xiu-li Chen

In this paper, we prove a Maschke type theorem for the category of relative Hom-Hopf modules. In fact, we give necessary and sufficient conditions for the functor that forgets the…

cond-mat.supr-con2014★ 36 cited

Significant contribution of As 4p orbitals to the low-lying electronic structure of 112-type iron-based superconductor Ca0.9La0.1FeAs2

M. Y. Li, Z. T. Liu, W. Zhou +12

We report a systematic polarization-dependent angle-resolved photoemission spectroscopy study of the three-dimensional electronic structure of the recently discovered 112-type iron…

cond-mat.quant-gas2014★ 3 cited

Conserving Approximation of Pairing theories in Fermionic superfluid phase

Yan He, Hao Guo

Respecting the conservation laws of momentum and energy in a many body theory is very important for understanding the transport phenomena. The previous conserving approximation req…

cond-mat.mtrl-sci2014★ 89 cited

Tuning the catalytic activity of graphene nanosheets for oxygen reduction reaction via size and thickness reduction

John Benson, Qian Xu, Peng Wang +5

Currently, the fundamental factors that control the oxygen reduction reaction (ORR) activity of graphene itself, in particular the dependence of the ORR activity on the number of e…

math.SP2014★ 8 cited

New Classes of Positive Semi-Definite Hankel Tensors

Qun Wang, Guoyin Li, Liqun Qi +1

A Hankel tensor is called a strong Hankel tensor if the Hankel matrix generated by its generating vector is positive semi-definite. It is known that an even order strong Hankel ten…

math.OC2014★ 68 cited

A Convergent -Block Semi-Proximal ADMM for Convex Minimization Problems with One Strongly Convex Block

Min Li, Defeng Sun, Kim-Chuan Toh

In this paper, we present a semi-proximal alternating direction method of multipliers (ADMM) for solving -block separable convex minimization problems with the second block in t…

cond-mat.mtrl-sci2014★ 7 cited

Magnetism and electronic structure of ()- and ()-oriented LaTiO bilayers sandwiched in LaScO barriers

Yakui Weng, Shuai Dong

In this study, the magnetism and electronic structure of LaTiO bilayers along both the () and () orientations are calculated using the density functional theory. The…

hep-ph2014★ 12 cited

Influence of gauge boson mass on the staggered spin susceptibility

Jian-Feng Li, Feng-Yao Hou, Zhu-Fang Cui +3

Based on the study of the linear response of the fermion propagator in the presence of an external scalar field, we calculate the staggered spin susceptibility in the low energy li…

cs.IT2014★ 777 cited

Low-Complexity Hybrid Precoding in Massive Multiuser MIMO Systems

Le Liang, Wei Xu, Xiaodai Dong

Massive multiple-input multiple-output (MIMO) is envisioned to offer considerable capacity improvement, but at the cost of high complexity of the hardware. In this paper, we propos…

cond-mat.mtrl-sci2014★ 4 cited

Orientation-dependent magnetism and orbital structure of strained YTiO films on LaAlO substrates

Xin Huang, Qingyu Xu, Shuai Dong

The strain tuned magnetism of YTiO film grown on the LaAlO () substrate is studied by the method of the first principles, and compared with that of the ()-oriente…

cs.IT2014★ 77 cited

Linear Precoding for the MIMO Multiple Access Channel with Finite Alphabet Inputs and Statistical CSI

Yongpeng Wu, Chao-Kai Wen, Chengshan Xiao +2

In this paper, we investigate the design of linear precoders for the multiple-input multiple-output (MIMO) multiple access channel (MAC). We assume that statistical channel state i…