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Walter de Siqueira Pedra

External Scientific Member

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M +34 946 567 842
F +34 946 567 842

Information of interest

External Scientific Member at QM Research Line. 

  • Classical dynamics from self-consistency equations in quantum mechanics 

    Bru, J.-B.Autoridad BCAM; de Siqueira Pedra, W.Autoridad BCAM (2022-05-09)
    During the last three decades, P. Bóna has developed a non-linear generalization of quantum mechanics, based on symplectic structures for normal states and offering a general setting which is convenient to study the emergence ...
  • Weak* Hypertopologies with Application to Genericity of Convex Sets 

    Bru, J.-B.Autoridad BCAM; de Siqueira Pedra, W.Autoridad BCAM (2022)
    We propose a new class of hypertopologies, called here weak$^{\ast }$ hypertopologies, on the dual space $\mathcal{X}^{\ast }$ of a real or complex topological vector space $\mathcal{X}$. The most well-studied and well-known ...
  • Macroscopic Dynamics of the Strong-Coupling BCS-Hubbard Model, 

    Bru, J.-B.Autoridad BCAM; de Siqueira Pedra, W.Autoridad BCAM (2020)
    The aim of the current paper is to illustrate, in a simple example, our recent, very general, rigorous results on the dynamical properties of fermions and quantum-spin systems with long-range, or meanfield, interactions, ...
  • Macroscopic Dynamics of the Strong-Coupling BCS-Hubbard Model 

    Bru, J.-B.Autoridad BCAM; de Siqueira Pedra, W.Autoridad BCAM (2020)
    The aim of the current paper is to illustrate, in a simple example, our recent, very general, rigorous results on the dynamical properties of fermions and quantum-spin systems with long-range, or mean-field, interactions, ...
  • Macroscopic conductivity of free fermions in disordered media 

    Bru, J.-B.Autoridad BCAM; de Siqueira Pedra, W.Autoridad BCAM; Hertling, C. (2014-12-31)
    We conclude our analysis of the linear response of charge transport in lattice systems of free fermions subjected to a random potential by deriving general mathematical properties of its conductivity at the macroscopic ...
  • Heat production of noninteracting fermions subjected to electric fields 

    Bru, J.-B.Autoridad BCAM; de Siqueira Pedra, W.Autoridad BCAM; Hertling, C. (2014-07-21)
    Electric resistance in conducting media is related to heat (or entropy) production in the presence of electric fields. In this paper, by using Araki's relative entropy for states, we mathematically define and analyze the ...

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