Browsing Artículos (Física Atómica, Molecular y Nuclear) by Author 

Browsing Artículos (Física Atómica, Molecular y Nuclear) by Author "Pène, Olivier"  

Now showing items 1-9 of 9

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      An instanton picture O.P.E. (A2) condensate? 

      Rodríguez Quintero, José; Pène, Olivier; Moutarde, H.; Micheli, J.; Le Yaouanc, A.; Leroy, J. P.; Donini, A.; Boucaud, Ph.; Soto Borrero, Feliciano Carlos de (Elsevier, 2003)
      Gluon two- and three-point Green Functions computed in Landau gauge from the lattice show the existence of power corrections ...
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      Artifacts and ⟨A2⟩ power corrections: Reexamining Zψ(p2) and ZV in the momentum-subtraction scheme 

      Boucaud, Ph.; Soto, F. de; Leroy, J. P.; Le Yaouanc, A.; Micheli, J,; Moutarde, H.; Pène, Olivier; Rodríguez Quintero, J. (American Physical Society, 2006-08-17)
      The next-to-leading-order (NLO) term in the operator product expansion (OPE) of the quark propagator vector part Zψ and ...
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      Finite-size effects on multibody neutrino exchange 

      Abada, A.; Pène, Olivier; Rodríguez Quintero, J. (American Physical Society, 1998-10-01)
      We use an effective Lagrangian to study the multibody massless neutrino exchange inside a finite neutron star. Following ...
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      Instantons and the ⟨A2⟩ condensate 

      Boucaud, Ph.; Leroy, J. P.; Le Yaouanc, A.; Micheli, A.; Pène, Olivier; Soto, F. de; Donini, A.; Moutarde, H.; Rodríguez Quintero, J. (American Physical Society, 2002-12-01)
      We argue that the ⟨A2OPE⟩ condensate found in the Landau gauge on lattices, when an operator product expansion of Green’s ...
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      Modified instanton profile effects from lattice Green functions 

      Boucaud, Ph.; Soto, F. de; Le Yaouanc, A.; Leroy, J. P.; Micheli, J.; Pène, Olivier; Rodríguez Quintero, J. (American Physical Society, 2004-12-01)
      We trace here instantons through the analysis of pure Yang-Mills gluon Green functions in the Landau gauge for a window ...
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      Multibody neutrino exchange in a neutron star: neutrino sea and border effects 

      Rodríguez Quintero, José; Pène, Olivier; Abada, A. (Elsevier, 1997)
      The interaction due to the exchange of massless neutrinos between neutrons is a long-range force. Border effects on this ...
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      Relativistic Quantum Scattering of High Energy Fermions in the Presence of Phase Transition 

      Rodríguez Quintero, José; Lozano Leyva, Manuel Luis; Pène, Olivier (Elsevier, 1996)
      We study the high energy behaviour of fermions hitting a general wall caused by a first-order phase transition. The wall ...
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      The strong coupling constant at small momentum as an instanton detector 

      Boucaud, Ph.; Soto, F. de; Le Yaouanc, A.; Leroy, J. P.; Micheli, J.; Moutarde, H.; Pène, Olivier; Rodríguez Quintero, J. (Springer Verlag, 2003)
      We present a study of αMOM(p) at small p computed from the lattice in the quenched approximation (nf = 0). It shows a ...
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      Transparent expression of the A2 condensate’s renormalization 

      Boucaud, Ph.; Soto, F. de; Le Yaouanc, A.; Leroy, J. P.; Micheli, J.; Moutarde, H.; Pène, Olivier; Rodríguez Quintero, J. (American Physical Society, 2003-12-01)
      We give a more transparent understanding of the vacuum expectation value of the renormalized local operator A2 by relating ...