MYPAPERS.bib
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@ARTICLE{correia2001lpm,
AUTHOR = {S. Correia},
TITLE = {Corrections to the Boltzmann mean free path in
disordered systems with finite size scatterers},
JOURNAL = {J. Phys. A: Math. Gen.},
YEAR = {2001},
VOLUME = {34},
NUMBER = {44},
PAGES = {9349-9356},
MONTH = {November},
URL = {http://xxx.lpthe.jussieu.fr/abs/cond-mat/0103131},
PDF = {/sci_docs/physics/papers/JPhysA/correia2001lpm.pdf},
ROPSECTIONS = {MYPAPERS},
ABSTRACT = {The mean free path is an essential characteristic
length in disordered systems. In microscopic
calculations, it is usually approximated by the
classical value of the elastic mean free path. It
corresponds to the Boltzmann mean free path when
only isotropic scattering is considered, but it is
different for anisotropic scattering. In this paper,
we work out the corrections to the so called
Boltzmann mean free path due to multiple scattering
effects on finite size scatterers, in the $s$-wave
approximation, i.e. when the elastic mean free path
is equivalent to the Boltzmann mean free path. The
main result is the expression for the mean free path
expanded in powers of the perturbative parameter
given by the scatterer density.}
}
@MISC{correia2000modelling,
AUTHOR = {Sebastiao Correia and Janos Polonyi and Jean
Richert},
TITLE = {Modelling static impurities},
URL = {http://fr.arxiv.org/abs/cond-mat/0010370},
PS = {/sci_docs/physics/papers/arxiv/correia2000modelling.ps.gz},
ROPSECTIONS = {MYPAPERS},
ABSTRACT = {A simple model is presented for the calculation of
the quenched average over impurities which are
rendered static by setting their mass equal to
infinity. The path integral formalism of the second
quantized theory contains annealed averages
only. The similarity with the Gaussian quenched
potential model is discussed. }
}
@MISC{correia2000effective,
AUTHOR = {Sebastiao Correia and Janos Polonyi and Jean
Richert},
TITLE = {An effective theory for conductance by symmetry
breaking},
HOWPUBLISHED = {\textnormal{\texttt{cond-mat/0001053}}},
YEAR = {2000},
URL = {http://fr.arxiv.org/abs/cond-mat/0001053},
PS = {/sci_docs/physics/papers/arxiv/correia2000effective.ps.gz},
ROPSECTIONS = {MYPAPERS},
ABSTRACT = {An effective theory is suggested for the
particle-anti particle and the particle-particle
modes of strongly disordered electron systems. The
effective theory is studied in the framework of the
saddle point expansion and found to support a vacuum
which is not invariant under translations in
imaginary time. The Goldstone bosons of this
symmetry breaking generate a pole in the
density-density correlation function. The condensate
of the auxiliary field corresponding to the
particle-particle channel produces conductivity
without relying on the long range fluctuations. The
results are obtained for d>1. }
}
@ARTICLE{correia2002functional,
AUTHOR = {Sebastiao Correia and Janos Polonyi and Jean
Richert},
TITLE = {The Functional Callan-Symanzik Equation for the
Coulomb Gas},
JOURNAL = {Annals of Physics},
YEAR = {2002},
VOLUME = {296},
NUMBER = {2},
PAGES = {214-234},
MONTH = {March},
PDF = {/sci_docs/physics/papers/AnnPhys/correia2002functional.pdf},
URL = {http://fr.arxiv.org/abs/cond-mat/0108048},
ROPSECTIONS = {MYPAPERS},
ABSTRACT = {A non-perturbative scheme, based on the functional
generalization of the Callan-Symanzik equation is
developed to treat the Coulomb interaction in an
electron gas. The one-particle irreducible vertex
functions are shown to satisfy an evolution equation
whose initial condition is given by means of the
classical action and the final point corresponds to
the physical system. This equation is truncated by
expanding it in momenta and excitation energies,
leaving the electric charge as an arbitrary, not
necessarily small parameter. Exact coupled partial
differential equations up to first order in the
frequencies and excitation energies are derived. The
numerical integration of these equations is left to
a later stage. Nevertheless, in order to demonstrate
the relation with the perturbation expansion the
one-loop Lindhard function and screening are
reproduced in the independent mode approximation of
the evolution equation.}
}
@ARTICLE{scjpjr,
AUTHOR = {S. Correia and J. Polonyi and J. Richert},
TITLE = {An effective theory for conductance by symmetry breaking},
JOURNAL = {\textnormal{\texttt{cond-mat/0001053}}},
YEAR = {2000},
ROPSECTIONS = {MYPAPERS},
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}
This file has been generated by
bibtex2html 1.46
. Bibliography collected by S. Correia.