Physical sciences topic list of research papers
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A note on composite operators in N=4 SYM
Abstract We discuss composite operators in N=4 super Yang–Mills theory and their realisations as superfields on different superspaces. The superfields that realise various operators on analytic superspace may be different in the free, interacting...
2002 / P.J. Heslop, P.S. Howe -
Fermion masses and mixing angles from SU(3) family symmetry
Abstract We propose a model based on SU(3) family symmetry which leads to a successful description of quark and lepton masses and mixing angles including approximate bi-maximal mixing in the neutrino sector suitable for the LOW or quasi-vacuum solar ...
2002 / S.F. King, G.G. Ross -
A model for the pion structure function
Abstract The pion structure function is investigated in a simple model, where pion and constituent quark fields are coupled through the simplest pseudoscalar coupling. The imaginary part of the forward γ ★ ...
2002 / F Bissey, J.R Cudell, J Cugnon, M Jaminon, J.P Lansberg, et al. -
Classical integrability of two-dimensional non-linear sigma models
Abstract The conditions under which a general two-dimensional non-linear sigma model is classically integrable are given. These requirements are found by demanding that the equations of motion of the theory are expressible as a zero curvature...
2002 / N. Mohammedi -
Further evidence for the conformal structure of a Schwarzschild black hole in an algebraic approach
Abstract We study the excitations of a massive Schwarzschild black hole of mass M resulting from the capture of infalling matter described by a massless scalar field. The near-horizon dynamics of this system is governed by a Hamiltonian which is...
2002 / Kumar S Gupta, Siddhartha Sen -
Density perturbations in warm inflation and COBE normalization
Abstract Starting from a gauge invariant treatment of perturbations an analytical expression for the spectrum of long wavelength density perturbations in warm inflation is derived. The adiabatic and entropy modes are exhibited explicitly. As an...
2002 / H.P. de Oliveira -
Path integral measure in Regge calculus from the functional Fourier transform
Abstract The problem of fixing measure in the path integral for the Regge-discretised gravity is considered from the viewpoint of it is “best approximation” to the already known formal continuum general relativity (GR) measure. A rigorous...
2002 / V.M. Khatsymovsky -
Existence of nuclei with unusual neutron excess?
Abstract A realistic model is suggested based on the quasiparticle Lagrange version of the self-consistent Finite Fermi Systems theory supplemented with the microscopically calculated surface parameters of the Landau–Migdal interaction amplitude....
2002 / M. Baldo, U. Lombardo, E.E. Saperstein, M.V. Zverev -
Dirac equation on coordinate dependent noncommutative space–time
Abstract In this paper we discuss classical aspects of spinor field theory on the coordinate dependent noncommutative space–time. The noncommutative Dirac equation describing spinning particle in an external vector field and the corresponding action ...
2014 / V.G. Kupriyanov -
A proposal for fs-electron microscopy experiments on high-energy excitations in solids
Abstract Recent advances in ultrafast technology enable both the study and the control of materials properties thanks to the ability to record high temporal resolution movies of their transformations, or the ability to generate new states of matter...
2014 / L. Piazza, P. Musumeci, O.J. Luiten, Fabrizio Carbone -
Thin disk of co-rotating dwarfs: A fingerprint of dissipative (mirror) dark matter?
Abstract Recent observations indicate that about half of the dwarf satellite galaxies around M31 orbit in a thin plane approximately aligned with the Milky Way. It has been argued that this observation along with several other features can be...
2013 / R. Foot, Z.K. Silagadze -
Heating of ions with a Kappa velocity distribution by a non-resonant Alfvén wave
Abstract In this study, the heating of ions with a Kappa (κ) velocity distribution by an Alfvén wave propagating along an external magnetic field via non-resonant wave–particle interactions in low-beta plasmas is investigated by means of both...
2013 / Hai-Feng Liu, Shi-Qing Wang, Ke-Hua Li, Ming Yin, Wen-Zhong Li, et al. -
Preliminary Results of a Full Hauser-feshbach Simulation of the Prompt Neutron and Gamma Emission from Fission Fragments
Abstract The prompt neutron and gamma emission from fission fragments are investigated through the Monte Carlo code FIFRELIN which is developed at the CEA Cadarache research center. In a previous release of the code, the de-excitation of the...
2013 / D. Regniera, O. Litaizea, O. Serota -
Modern problems of meteoric astronomy and possible ways of their solutions
Abstract The article gives an overview of the most important problems of modern meteoric astronomy and briefly describes ways and methods of their solutions. Particular attention is paid to the construction and arrangement of meteoric video cameras...
2014 / A.V. Bagrov, V.A. Leonov, G.F. Attia, R. Ghoneim -
Runaway electrons from a ‘beam-bulk’ model of streamer: application to TGFs2014 / O Chanrion, Z Bonaventura, D Çinar, A Bourdon, T Neubert
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Dual conformal symmetry on the light cone
Abstract We study the properties of conformal operators in the SL ( 2 ) ...
2014 / S.É. Derkachov, G.P. Korchemsky, A.N. Manashov -
Quantifying the reheating temperature of the universe
Abstract The aim of this paper is to determine an exact definition of the reheat temperature for a generic perturbative decay of the inflaton. In order to estimate the reheat temperature, there are two important conditions one needs to satisfy: (a)...
2014 / Anupam Mazumdar, Bryan Zaldívar -
Toward tripartite hybrid entanglement in quantum dot molecules2014 / M Khoshnegar, A Jafari-Salim, M H Ansari, A H Majedi
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Three-Stage Quantum Cryptography Protocol under Collective-Rotation Noise2015 / Linsen Wu, Yuhua Chen
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Anisotropy study of multiferroicity in the pyroxene NaFeGe 2 O 62015 / M Ackermann, L Andersen, T Lorenz, L Bohatý, P Becker