1,721,132 research outputs found
Subtractive Renormalization Of The Next-to-leading Order Nn Interaction
No full textThe subtracted kernel method is implemented recursively to solve scattering equations for the 1S0 phase-shifts considering the leading and the next-to-leading order NN interaction. © 2007 Elsevier B.V. All rights reserved.79001/04/15406409Weinberg, S., (1991) Nucl. Phys. B, 363, p. 2Weinberg, S., (1992) Phys. Lett. B, 295, p. 114Bedaque, P.F., van Kolck, U., (2002) Ann. Rev. Nucl. Part. Sci., 52, p. 339Epelbaum, E., (2006) Prog. Part. Nucl. Phys., 57, p. 654Frederico, T., Timóteo, V.S., Tomio, L., (1999) Nucl. Phys. A, 653, p. 209Timóteo, V.S., Frederico, T., Tomio, L., Delfino, A., (2005) Phys. Lett. B, 621, p. 109Frederico, T., Delfino, A., Tomio, L., (2000) Phys. Lett. B, 481, p. 143Afnan, I.R., Phillips, D.R., (2004) Phys. Rev. C, 69, p. 034010Stocks, V.G.J., (1994) Phys. Rev. C, 49, p. 295
Renormalizing The Nn Interaction With Multiple Subtractions
No full textThe aim of this work is to show how to renormalize the nucleon-nucleon interaction at next-to-next-to-leading order using a systematic subtractive renormalization approach with multiple subtractions. As an example, we calculate the phase shifts for the partial waves with total angular momentum J=2. The intermediate driving terms at each recursive step as well as the renormalized T-matrix are also shown. We conclude that our method is reliable for singular potentials such as the two-pion exchange and derivative contact interactions. © 2010 Elsevier B.V.1991197202Lepage, G.P., arxiv:/nucl-th/9706029Birse, M.C., (2006) Phys. Rev. C, 74, p. 014003Nogga, A., Timmermans, R.G.E., van Kolck, U., (2005) Phys. Rev. C, 72, p. 054006Pavon Valderrama, M., Ruiz Arriola, E., (2004) Phys. Lett. B, 580, p. 149Pavon Valderrama, M., Ruiz Arriola, E., (2004) Phys. Rev. C, 70, p. 044006Pavon Valderrama, M., Ruiz Arriola, E., (2006) Phys. Rev. C, 74, p. 064004Frederico, T., Timóteo, V.S., Tomio, L., (1999) Nucl. Phys. A, 653, p. 209Frederico, T., Delfino, A., Tomio, L., (2000) Phys. Lett. B, 481, p. 143Frederico, T., Delfino, A., Tomio, L., Timóteo, V.S., (2001), arxiv:/hep-ph/0101065Timoteo, V.S., Frederico, T., Tomio, L., Delfino, A., (2005) Phys. Lett. B, 621, p. 109Timóteo, V.S., Frederico, T., Tomio, L., Delfino, A., (2007) Nucl. Phys. A, 790, pp. 406cTimóteo, V.S., Frederico, T., Tomio, L., Delfino, A., (2007) Int. J. Mod. Phys. E, 16 (9), p. 2822Yang, C.-J., Elster, C., Phillips, D.R., (2008) Phys. Rev. C, 77, p. 014002Yang, C.-J., Elster, C., Phillips, D.R., arxiv:/nucl-th/09012663Yang, C.-J., Elster, C., Phillips, D.R., arxiv:/nucl-th/09054943Epelbaum, E., Glöckle, W., Meißner, U.-G., (2005) Nucl. Phys. A, 747, p. 363Epelbaum, E., (2006) Prog. Part. Nucl. Phys., 57, p. 65
Dimensional Compactification And Two-particle Binding
No full textThe renormalization group equations (RGE) are applied to the study of two-body singular interactions at the surface of an infinite long cylinder with a radius R. A single scale, independent of R, emerges from the renormalization procedure of removing the ultraviolet momentum divergence of the original interacting Green's function. This single scale implies in a R-dependent binding energy, which is obtained from the pole of the Green's function. The binding is infinitely large in the limit R = 0, while as R goes to infinity it converges to the well- known two-dimensional (2D) result in flat space. The physical scale is controlled by the energy binding value on the 2D flat surface. 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Controlled targeting of different subcellular sites by porphyrins in tumour-bearing mice.
No full text
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Tunable spin-orbit-coupled Bose-Einstein condensates in deep optical lattices
No full textBinary mixtures of Bose-Einstein condensates (BECs) trapped in deep optical lattices and subjected to equal
contributions of Rashba and Dresselhaus spin-orbit coupling (SOC) are investigated in the presence of a periodic
time modulation of the Zeeman field. SOC tunability is explicitly demonstrated by adopting a mean-field
tight-binding model for the BEC mixture and by performing an averaging approach in the strong modulation
limit. In this case, the system can be reduced to an unmodulated vector discrete nonlinear Schr ̈odinger equation
with a rescaled SOC tuning parameter α, which depends only on the ratio between amplitude and frequency
of the applied Zeeman field. We consider the attractive interaction case and focus on the effect of the SOC
tuning on the localized ground states. The dependence of the spectrum of the linear system on α has been
analytically characterized. In particular, we show that extremal curves (ground and highest excited states) of
the linear spectrum are continuous piecewise functions (together with their derivatives) of α, which consist of a
finite number of decreasing band lobes joined by constant lines. This structure also remains in the presence of
inter- and intra-species interactions, the nonlinearity mainly introducing a number of localized states in the band
gaps. The stability of ground states in the presence of the modulating field has been demonstrated by real-time
evolutions of the original (unaveraged) system. Localization properties of the ground state induced by the SOC
tuning, and a parameter design for possible experimental observation, have also been discussed
Renomalization Of The Nn Interaction At Nnlo: Uncoupled Peripheral Waves
No full textWe apply the subtractive renormalization method to the nucleon-nucleon interaction at Next-to-Next-to-Leading order (NNLO). Here we show the results for some uncoupled peripheral waves. © World Scientific Publishing Company.16928222825Weinberg, S., (1991) Nucl. Phys. B, 363, p. 2Phys, (1992) Lett. B, 295, p. 114Bedaque, P.F., van Kolck, U., (2002) Ann. Rev. Nucl. Part. Sci, 52, p. 339Frederico, T., (1999) Nucl. Phys. A, 653, p. 209Timóteo, V.S., (2005) Phys. Lett. B, 621, p. 109Frederico, T., Delfino, A., Tomio, L., (2000) Phys. Lett. B, 481, p. 143Epelbaum, E., (2006) Prog. Part. Nucl. Phys, 57, p. 654Epelbaum, E., (2005) Nucl. Phys. A, 747, p. 36
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