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	1. FCNC production of t\\bar{c} in association with a neutral top-higgs at LHC in topcolor-assisted technicolor model
	Gongru Lu,Lei Wu
	Physics 07 October 2009
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	Abstract:In the framework of the topcolor-assisted technicolor (TC2) model we investigate the flavorchanging neutral-current production pp \\to t\\bar{c}h^{0}_{t}at the LHC, which proceeds through the parton level processes gg \\to t\\bar{c}h^{0}_{t}, u\\bar{u} \\to t\\bar{c}h^{0}_{t} and d \\bar{d} \\to t\\bar{c}h^{0}_{t}. We calculate the production rate and present the distributions of the transverse momenta and the invarient mass of the neutral top-higgs. We find that the cross section of pp \\to t\\bar{c}h^{0} _{t} can reach a few hundreds fb in a large part of the allowed parameter space. Considering the main decay mode of top-higgs for m_h_{t} < 2m_{t}, we find that such a production may provide copious events. In case of unobservation, the LHC can set meaningful constraints on the TC2 model.
	TO cite this article:Gongru Lu,Lei Wu. FCNC production of t\\bar{c} in association with a neutral top-higgs at LHC in topcolor-assisted technicolor model[OL].[ 7 October 2009] http://en.paper.edu.cn/en_releasepaper/content/35665


	2. MECHANICAL NON-SOLUTION PROVING OF FAKE DIRAC EQUATION
	Chen Rui
	Physics 24 September 2009
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	Abstract:It further introduces the method of using the unitary principle to test the logic of some theories of theoretical physics. As one of the important examples, the non-existence of solution of the system of recurrence relations from a fake Dirac equation is proven in this paper. Also, we use the method of mechanical proving to show the reliability of this pivotal result. It clearly denotes that the corresponding fake Dirac equation has not any real solution, and there is not any formal solution of the fake Dirac equations given in the various related literatures to satisfy the original Dirac equation. Furthermore, it shows that the formal solutions of the fake Dirac equations conceal a basic mathematical contradiction of that one equals zero. Consequently, constructing any new form of the Dirac equation requires great consideration.
	TO cite this article:Chen Rui . MECHANICAL NON-SOLUTION PROVING OF FAKE DIRAC EQUATION[OL].[24 September 2009] http://en.paper.edu.cn/en_releasepaper/content/35436

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	3. Total Energy-momentum of the Universe in Teleparallel Gravity
	Liu Yuxiao ,Zhao Zhenhua ,Yang Jie ,Duan Yishi
	Physics 16 September 2009
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	Abstract:We investigate the conservation law of energy-momentum in teleparallel gravity by using general Noether theorem. The energy-momentum current has also superpotential and is therefore identically conserved. The total energy-momentum, which includes the contributions of both matter and gravitational fields, is given by the integral of scalar densities over a three-dimensional spacelike hypersurface. As an example, the universe in teleparallel gravity is investigated. It is shown that the total energy-momentum vanishes independently of both the curvature parameter and the three dimensionless coupling constants of teleparallel gravity.
	TO cite this article:Liu Yuxiao ,Zhao Zhenhua ,Yang Jie , et al. Total Energy-momentum of the Universe in Teleparallel Gravity[OL].[16 September 2009] http://en.paper.edu.cn/en_releasepaper/content/35234


	4. Field Distribution in a Coaxial Electrostatic System with Sinusoidally Rippled Wall
	Zhang Shichang
	Physics 29 June 2009
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	Abstract:A coaxial electrostatic system is studied, where the inside surface of the outer conductor is corrugated with sinusoidal ripples and connected to a negative voltage while outside surface of the inner rod is smooth and grounded. The electrostatic potential is governed by a 2-dimensional Laplace equation in a cylindrical coordinates system with sinusoidal-ripples boundary conditions. By employing separation of variables, analytical solution of the field is derived in detail. Excellent agreement between the analytical formula and the CSTsimulation is confirmed. As an important application, it can be expected to play a role of the electrostatic wiggler in a free-electron laser.
	TO cite this article:Zhang Shichang . Field Distribution in a Coaxial Electrostatic System with Sinusoidally Rippled Wall[OL].[29 June 2009] http://en.paper.edu.cn/en_releasepaper/content/33494


	5. The relation between properties of Gentile statistics and fractional statistics of anyon
	Shen Yao ,Ai Qing ,Long Guilu
	Physics 18 June 2009
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	Abstract:In this paper, we discuss the relationship of two kinds of intermediate-statistics, since there exits real physical systems which obey intermediate statistics. One is Gentile statistics, the other is fractional statistics of anyon. To give an different point of view of anyon, the anyon winding number representation(WNR) is introduced. We construct the transformation between anyon winding number representation and the occupation number representation(ONR) of particles of Gentile statistics. We study intermediate-statistics quantum bracket and coherent state for anyons in WNR, and we demonstrate a method to simulate anyons by geometric phase of Gentile statistics.
	TO cite this article:Shen Yao ,Ai Qing ,Long Guilu . The relation between properties of Gentile statistics and fractional statistics of anyon[OL].[18 June 2009] http://en.paper.edu.cn/en_releasepaper/content/33241


	6. The Spinor Connection and its Dynamical Effects
	Gu Yingqiu
	Physics 16 April 2009
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	Abstract:The current formalisms of covariant derivatives for a spinor take compact forms, and the geometrical and dynamical effects of the spinor connection are covered under the abstract symbols. The practical calculations for the spinor connection in these formalisms are usually a tiresome and fallible task. In this paper, we divide the spinor connection into two vectors $\\Upsilon_\\mu$ and $\\Omega_\\mu$, where $\\Upsilon_\\mu$ is mainly related to the geometrical calculations, but $\\Omega_\\mu$ leads to gravimagnetic effects. The expression is valid for both the Weyl spinor and the Dirac bispinor, which is not only more convenient for calculation, but also highlights the physical meanings of the spinor connection. On this foundation, we derive the complete classical mechanics from the dynamical equation and get some interesting results. We find in the space-time with intrinsically nondiagonal metric, the orbit of a spinor deviates from the geodesic slightly, so the principle of equivalence is broken by the spinors moving at high speed.
	TO cite this article:Gu Yingqiu . The Spinor Connection and its Dynamical Effects[OL].[16 April 2009] http://en.paper.edu.cn/en_releasepaper/content/31458


	7. The Exact Solutions to the Gravitational Contraction in Comoving Coordinate System
	Ying-Qiu Gu
	Physics 01 April 2009
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	Abstract:The gravitational collapse of a star is a warmly discussed but still puzzling problem, which not only involves the dynamics of the gases, but also the subtle coordinate transformation. In this letter, we give some more detailed investigation on this problem, and reach the results: (I). The comoving coordinate system for the stellar system is only compatible with the zero-pressure free falling particles. (II). For the free falling dust, there are three kind of solutions respectively corresponding to the oscillating, the critical and the open trajectories. The solution of Oppenheimer and Snyder is the critical case. (III). All solutions are exactly derived. There is a new kind singularity in the solution, but its origin is unclear.
	TO cite this article:Ying-Qiu Gu. The Exact Solutions to the Gravitational Contraction in Comoving Coordinate System[OL].[ 1 April 2009] http://en.paper.edu.cn/en_releasepaper/content/30983


	8. Modification of energy shifts of atoms by the presence of a boundary at finite temperature and the Casimir-Polder force
	Zhu Zhi-Ying,Yu Hong-Wei
	Physics 12 March 2009
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	Abstract:We study the modification by the presence of a plane wall of energy level shifts of two-level atoms which are in multipolar coupling with quantized electromagnetic fields at the finite temperature in a formalism which separates the contributions of thermal fluctuations and radiation reaction and allows a distinct treatment to atoms in the ground and excited states. The position dependent energy shifts give rise to an induced force acting on the atoms. We are able to identify three different regimes where the force shows distinct features and examine, in all regimes, the behaviors of this force in both the low temperature limit and the high temperature limit for both the ground state and excited state atoms, thus providing some new physical insights into the atom-wall interaction at finite temperature.
	TO cite this article:Zhu Zhi-Ying,Yu Hong-Wei. Modification of energy shifts of atoms by the presence of a boundary at finite temperature and the Casimir-Polder force[OL].[12 March 2009] http://en.paper.edu.cn/en_releasepaper/content/30209


	9. Entanglement, purity, and fidelity in the anisotropy (1/2,1) mixed-spin system
	Zhe Sun,Xiaoguang Wang,Heng-Na Xiong
	Physics 09 January 2009
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	Abstract:We study entanglement, purity and fidelity in the anisotropy (1/2,1) mixed-spin Heisenberg chain. We find that negativity, as a measure of entanglement, displays a dip at the SU(2) isotropic point of the system, which is in contrast to the peak appearance of concurrence in the spin-1/2 XXZ chain. Moreover, at the isotropic point, purity gives a minimum, while the mixed-state fidelity susceptibility emerges a maximum.
	TO cite this article:Zhe Sun,Xiaoguang Wang,Heng-Na Xiong. Entanglement, purity, and fidelity in the anisotropy (1/2,1) mixed-spin system[OL].[ 9 January 2009] http://en.paper.edu.cn/en_releasepaper/content/27589


	10. Many-body Reduced Fidelity Susceptibility in the Lipkin-Meshcov-Glick Model
	Lei Xu,Jian Ma,Xiaoguang Wang
	Physics 09 January 2009
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	Abstract:We analyze the critical properties of Lipkin-Meshcov-Glick model in terms of fidelity susceptibility through -body reduced density matrix which we regard as reduced fidelity susceptibility. By computing the -body reduced density matrix, we obtain numerically the singular properties of reduced fidelity susceptibility in the vicinity of quantum transition point as well as its scaling behavior. We also make comparative study of ground-state and reduced ground-state susceptibility. We show that the -body reduced fidelity susceptibility can also be used to characterize QPTs
	TO cite this article:Lei Xu,Jian Ma,Xiaoguang Wang. Many-body Reduced Fidelity Susceptibility in the Lipkin-Meshcov-Glick Model[OL].[ 9 January 2009] http://en.paper.edu.cn/en_releasepaper/content/27585

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