http://en.redtram.com/ News on "Physics"  everywhere Copyright (c) 2009 RedTram. All rights reserved. webmaster@redtram.com (RedTram) en Thu, 17 Dec 2009 04:15:13 GMT 300 100 50 http://en.redtram.com/ http://img.en.redtram.com/rsslogo.gif 6847 | Solution of self-consistent equations for the N3LO nuclear energy density functional in spherical symmetry. The program HOSPHE (v1.00). http://en.redtram.com/go/236316784/top100/ 236316784 We present solution of self-consistent equations for the N3LO nuclear energydensity functional. We derive general expressions for the mean fields expressedas differential operators depending on densities and for the densitiesexpressed in terms of derivatives of wave functions. These expressions are Thu, 17 Dec 2009 03:48:17 GMT http://en.redtram.com/go/236316784/top100/ 6847 | Nuclear energy density functional from chiral pion-nucleon dynamics revisited. (arXiv:0912.3207v1 [nucl-th]) http://en.redtram.com/go/236316780/top100/ 236316780 We use a recently improved density-matrix expansion to calculate the nuclearenergy density functional in the framework of in-medium chiral perturbationtheory. Our calculation treats systematically the effects from $1\pi$-exchange,iterated $1\pi$-exchange, and irreducible $2\pi$-exchange with intermediate$\Delta$-isobar excitations, including Pauli-blocking corrections up tothree-loop Thu, 17 Dec 2009 03:47:57 GMT http://en.redtram.com/go/236316780/top100/ 6847 | The Coulomb phase shift revisited. (arXiv:0912.3189v1 [math-ph]) http://en.redtram.com/go/236316774/top100/ 236316774 We investigate the Coulomb phase shift, present some exact expansions for itand analyze its asymptotic behavior. We consider next to leading order terms tothe Stirling approximation, and show that they are important at small values ofthe angular momentum $l$ and Thu, 17 Dec 2009 03:47:37 GMT http://en.redtram.com/go/236316774/top100/ 6847 | Deeply Bound Kaonic Clusters. (arXiv:0912.3145v1 [nucl-th]) http://en.redtram.com/go/236316771/top100/ 236316771 In this talk I make a review on the theoretical and experimental situationaround the deeply bound kaon clusters, the possible bound kaonic states ofnuclear, rather than atomic nature. At the same time I discuss noveldevelopments around other kind of bound Thu, 17 Dec 2009 03:47:27 GMT http://en.redtram.com/go/236316771/top100/ 6847 | Dileptons Get Nearly "Blind" to Mass-Scaling Effects In Hot and/or Dense Matter. (arXiv:0912.3116v1 [nucl-th]) http://en.redtram.com/go/236316766/top100/ 236316766 Based on BHHRS \cite{BHHRS} and further sharpened by discussions with GerryBrown that I had in October 2008, we \cite{footnote-we-i} arrive at the presentassessment of the dilepton saga, namely, that dileptons become "blind" tochanges in the vacuum structure of chiral symmetry Thu, 17 Dec 2009 03:47:14 GMT http://en.redtram.com/go/236316766/top100/ 6847 | Effective interactions for light nuclei: an effective (field theory) approach. (arXiv:0912.3015v1 [nucl-th]) http://en.redtram.com/go/236316760/top100/ 236316760 One of the central open problems in nuclear physics is the construction ofeffective interactions suitable for many-body calculations. We discuss arecently developed approach to this problem, where one starts with an effectivefield theory containing only fermion fields and formulated directly Thu, 17 Dec 2009 03:46:46 GMT http://en.redtram.com/go/236316760/top100/ 6847 | Linear response strength functions with iterative Arnoldi diagonalization. (arXiv:0912.3234v1 [nucl-th]) http://en.redtram.com/go/236316756/top100/ 236316756 We report on an implementation of a new method to calculate RPA strengthfunctions with iterative non-hermitian Arnoldi diagonalization method, whichdoes not explicitly calculate and store the RPA matrix. We discuss thetreatment of spurious modes, numerical stability, and how the method Thu, 17 Dec 2009 03:46:12 GMT http://en.redtram.com/go/236316756/top100/ 6847 | An improved density matrix expansion for spin-unsaturated nuclei. (arXiv:0910.4979v2 [nucl-th] UPDATED) http://en.redtram.com/go/236316750/top100/ 236316750 A current objective of low-energy nuclear theory is to build non-empiricalnuclear energy density functionals (EDFs) from underlying inter-nucleoninteractions and many-body perturbation theory (MBPT). The density matrixexpansion (DME) of Negele and Vautherin is a convenient method to map highlynon-local Hartree-Fock expressions Thu, 17 Dec 2009 03:45:41 GMT http://en.redtram.com/go/236316750/top100/ 6847 | Neutrino Emissivity of Non-equilibrium beta processes With Nucleon Superfluidity. (arXiv:0912.2884v1 [astro-ph.HE] CROSS LISTED) http://en.redtram.com/go/236316742/top100/ 236316742 We investigate the influence of nucleon superfluidity on the neutrinoemissivity of non-equilibrium beta processes. Calculations are performed of thereduction factors for direct and modified Urca processes with three types ofnucleon superfluidity in $npe$ matter. The numerical results are given sincethe Thu, 17 Dec 2009 03:44:58 GMT http://en.redtram.com/go/236316742/top100/ 6846 | The calibration of the Sudbury Neutrino Observatory using uniformly distributed radioactive sources. (arXiv:0912.2991v1 [nucl-ex]) http://en.redtram.com/go/236316740/top100/ 236316740 The production and analysis of distributed sources of 24Na and 222Rn in theSudbury Neutrino Observatory (SNO) are described. These unique sources providedaccurate calibrations of the response to neutrons, produced throughphotodisintegration of the deuterons in the heavy water target, and to Thu, 17 Dec 2009 03:44:51 GMT http://en.redtram.com/go/236316740/top100/ 6846 | Charmed hadrons in nuclear medium. (arXiv:0912.2953v1 [nucl-th] CROSS LISTED) http://en.redtram.com/go/236316735/top100/ 236316735 We study the properties of charmed hadrons in dense matter within acoupled-channel approach which accounts for Pauli blocking effects and mesonself-energies in a self-consistent manner. We analyze the behaviour in thisdense environment of dynamically-generated baryonic resonances as well as theopen-charm Thu, 17 Dec 2009 03:44:35 GMT http://en.redtram.com/go/236316735/top100/ 6985 | Education and Research in the SEENET-MTP Regional Framework for Higher Education in Physics. (arXiv:0912.3236v1 [physics.ed-ph]) http://en.redtram.com/go/236315720/top100/ 236315720 Southeastern European countries undergo significant changes in thedemand/supply ratio on the labour market and in the structure of professionalcompetences that are necessary for undertaking a professional activity. Inaddition, brain-drain process and decrease of interest for a career in basicsciences put Thu, 17 Dec 2009 01:45:19 GMT http://en.redtram.com/go/236315720/top100/ 6985 | Maps on the basis of the Arts & Humanities Citation Index: The journals Leonardo and Art Journal versus "Digital Humanities" http://en.redtram.com/go/236315710/top100/ 236315710 The possibilities of using the Arts & Humanities Citation Index (A&HCI) forjournal mapping have not been sufficiently recognized because of the absence ofa Journal Citations Report (JCR) for this database. A quasi-JCR for the A&HCI(2008) was constructed from the data Thu, 17 Dec 2009 01:44:51 GMT http://en.redtram.com/go/236315710/top100/ 6985 | Symbolic computation of the Hartree-Fock energy from a chiral EFT three-nucleon interaction at N$^2$LO. (arXiv:0912.3086v1 [physics.comp-ph]) http://en.redtram.com/go/236315701/top100/ 236315701 We present the first of a two-part Mathematica notebook collection thatimplements a symbolic approach for the application of the density matrixexpansion (DME) to the Hartree-Fock (HF) energy from a chiral effective fieldtheory (EFT) three-nucleon interaction at N$^2$LO. The final output Thu, 17 Dec 2009 01:44:14 GMT http://en.redtram.com/go/236315701/top100/ 6985 | What the Right Handed Neutrino Really is?. (arXiv:0912.3077v1 [physics.gen-ph]) http://en.redtram.com/go/236315692/top100/ 236315692 We look into the concept of electric charge quantization in the StandardModel. The role of the vector nature of electromagnetism and that of massgeneration by Yukawa coupling is studied. We show how the baryon and the leptonnumbers arise naturally in Thu, 17 Dec 2009 01:43:51 GMT http://en.redtram.com/go/236315692/top100/ 6985 | Recent Interests on Positron, Positronium and Antimatters. (arXiv:0912.3076v1 [physics.pop-ph]) http://en.redtram.com/go/236315686/top100/ 236315686 A brief survey is made to highlight the recent interests in positron,positronium and antimatter physics. Positron is the first antiparticle observedwhich was predicted by Dirac. Positronium is itself its antiparticle andbi-positronium molecule is recently observed in laboratory which was predictedby Thu, 17 Dec 2009 01:43:38 GMT http://en.redtram.com/go/236315686/top100/ 6985 | Supporting abstract relational space-time as fundamental without doctrinism against emergence. (arXiv:0912.3069v1 [physics.hist-ph]) http://en.redtram.com/go/236315679/top100/ 236315679 The present paper aims to contribute to the substantivalism versusrelationalism debate and to defend general relativity (GR) againstpseudoscientific attacks in a novel, especially inclusive way. This work wasinitially motivated by the desire to establish the incompatibility of any ethertheories with Thu, 17 Dec 2009 01:42:55 GMT http://en.redtram.com/go/236315679/top100/ 6985 | Distorted Born Diffraction Tomography: limits and applications to inverse the ultrasonic field scattered by an non-circular infinite elastic tube. http://en.redtram.com/go/236315673/top100/ 236315673 This study focuses on the application of ultra sonic diffrac tion tomographyto noncircular 2D-cylindri - cal ob jects im mersed in an in fi nite fluid. Thedis torted Born it er a tive method used to solve the in verse Thu, 17 Dec 2009 01:42:32 GMT http://en.redtram.com/go/236315673/top100/ 6985 | A bubble-powered micro-rotor: conception, manufacturing, assembly, and characterization. (arXiv:0912.3035v1 [physics.flu-dyn]) http://en.redtram.com/go/236315663/top100/ 236315663 A steady fluid flow, called microstreaming, can be generated in the vicinityof a micro-bubble excited by ultrasound. In this article, we use thisphenomenon to assemble and power a microfabricated rotor at rotation speeds ashigh as 625 rpm. The extractible power Thu, 17 Dec 2009 01:42:18 GMT http://en.redtram.com/go/236315663/top100/ 6985 | Longitudinal Trends in Networks of University-Industry-Government Relations in South Korea: The Role of Programmatic Incentives. (arXiv:0912.3100v1 http://en.redtram.com/go/236315656/top100/ 236315656 This study examines the longitudinal trend of systemness in networkedresearch relations in South Korea using a triple-helix (TH) indicator ofuniversity-industry-government (UIG) relations. The data were harvested fromthe Science Citation Index (SCI) and its counterparts in the social sciences(SSCI) and the Thu, 17 Dec 2009 01:42:08 GMT http://en.redtram.com/go/236315656/top100/