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Strongly Correlated Electron Systems and Bulk Superconductors

Graphene based moiré systems

• • • Moiré enabled topological superconductivity in twisted bilayer graphene. M. Khosravian, E. Bascones and J.L. Lado.  2D materials (2024).
    • High-harmonic generation with a twist: all optical characterization of magic angle twisted bilayer graphene. B. Molinero, A. Datta, M.J. Calderón, E. Bascones, R.E.F. Silva, Optica 11, 171 (2024).
    • Heavy quasiparticles and cascades without symmetry breaking in twisted bilayer graphene. A.Datta, M.J. Calderón, A. Camjayi and E. Bascones, Nature Communications 14, 5036 (2023).
    • Twisted bilayered graphenes at magic angles and Casimir interactions. Rodríguez, D-N Le, M.J. Calderón, E. Bascones and L. Woods, 2D Materials 10, 014006 (2022).
    • Mott correlations in ABC graphene trilayer aligned with hBN, Phys. Rev. B 106-Letter, L08112 (2022).
    • Interactions in the 8 orbital model for twisted bilayer graphene. M.J. Calderón and E. Bascones,  PRB 102, 155149 (2020).
    • Correlated states in magic angle twisted bilayer graphene under the optical conductivity scrutiny. M.J. Calderón and E. Bascones,  NPJ Quantum Materials,  5, 57 (2020).
    • The nature of correlations in the insulating states of twisted bilayer graphene. J.M. Pizarro, M.J. Calderón and E. Bascones, Journal of Physics Communications 3, 035024 (2019).

Iron based superconductors

• • • Strong electronic correlations and Fermi surface reconstruction in the quasi-one dimensional iron superconductor BaFe2S3. J.M. Pizarro and E. Bascones, Phys. Rev. Mat. 3, 014801 (2019).
    • Nematicity at the Hund’s metal crossover. L. Fanfarillo, G. Giovanetti, M. Capone and E. Bascones, Phys. Rev. B 95, 144511 (2017).
    • Non trivial role of interlayer cation states in iron-based superconductors. D. Guterding, H.O. Jeschke, I.I. Mazin, J.K. Glasbrenner, E. Bascones and R. Valenti, Phys. Rev. Lett. 118, 017204 (2017).
    • Strong correlations and the search for high-Tc superconductivity in chromium pnictides and chalcogenides. J.M. Pizarro, M.J. Calderón, J. Liu, M.C. Muñoz and E. Bascones, Phys. Rev. B 95, 075115 (2017)
    • Review article. Magnetic interactions in iron superconductors: a review. E. Bascones, B. Valenzuela, M.J. Calderón. Comptes Rendus Physique, 17, 36 (2016).
    • Electronic correlations in Hund metals.  L. Fanfarillo and E. Bascones.   Phys. Rev. B, 92, 075136 (2015).
    • Correlation, doping and interband effects on the optical conductivity of iron superconductors. M.J. Calderón, L. de’ Medici, B. Valenzuela and E. Bascones. Phys. Rev. B, 90, 115128 (2014)
    • Coupling of the A1g-As phonon to magnetism in iron pnictides. N. García-Martínez, B. Valenzuela, S. Ciuchi, E. Cappelluti, M.J. Calderón, G. León and E. Bascones.  Phys. Rev. B, 88, 165106 (2013).
    • Optical conductivity and Raman scattering of iron superconductors.  B. Valenzuela, M.J. Calderón, G. León and E. Bascones. Phys. Rev. B 87, 075136 (2013).
    • Orbital differentiation and the role of orbital ordering in the magnetic state of iron superconductors.
      E. Bascones, B. Valenzuela and M.J. Calderón.
      Phys. Rev. B 86, 174508 (2012).
    • Magnetic interactions in iron superconductors revisited.
      M.J. Calderón, G. León, B. Valenzuela and E. Bascones.
      Phys. Rev. B 86, 104514 (2012).
    • Conductivity anisotropy in the antiferromagnetic state of iron pnictides.  B. Valenzuela, E. Bascones and M.J. Calderón. Phys. Rev. Lett. 105, 207202 (2010).
    • Low magnetization and anisotropy in the antiferromagnetic state of undoped pnictides. E. Bascones, M.J. Calderón and B. Valenzuela. Phys. Rev. Lett. 104, 227201 (2010).
    • Tight binding model for iron pnictides. M.J. Calderón, B. Valenzuela and E. Bascones. Phys. Rev. B 80, 094531 (2009).
    • Effect of the tetrahedral distortion on the electronic properties of iron-pnictides. M.J. Calderón, B. Valenzuela and E. Bascones, New. Journal of Physics 11, 013051 (2009).

 

• Cuprate superconductors

  • Energy scales in the Raman spectrum of electron- and hole-doped cuprates within competing scenarios. B. Valenzuela and E. Bascones, Phys. Rev. B 78, 174522 (2008).
  • Yang-Rice-Zhang description of checkerboard pattern and autocorrelation of
    photoemission data in high temperature superconductors. E. Bascones and B. Valenzuela, Phys. Rev. B 77, 024527 (2008).
  • Phenomenological Description of the Two Energy Scales in Underdoped Cuprate Superconductors.B. Valenzuela and E. Bascones. Phys. Rev. Lett. 98, 227002 (2007).
  • Spìn susceptibility of underdoped cuprates. The case of ortho-II YBa2Cu3O6.5.E. Bascones and T.M. Rice. Phys. Rev. B 74, 134501 (2006) .
  • Optical conductivity of ortho-II YBa2Cu3O6.5.E. Bascones,T.M. Rice, A.O. Shorikov, A.V. Lukoyanov and V.I. Anisimov, Phys. Rev. B 71, 012505 (2005) .

   

• Other correlated and superconducting materials
  

  • Theory of Ferromagnetism in Doped Excitonic Condensates.E. Bascones, A.A. Burkov and A.H. MacDonald, Phys. Rev. Lett. 89, 086401 (2002) .
  • Surface effects in two-band superconductors: Application to MgB2.E. Bascones and F. Guinea, Phys. Rev. B 64, 214508 (2001) .

 

Mesoscopic Systems

• Nanoparticle arrays and Coulomb blockade systems

  • Robustness of the magnetoresistance of nanoparticle arrays. V. Estévez and E. Bascones. Phys. Rev. B. 84, 075441 (2011).
  • Huge enhancement of the magnetoresistance and negative differential conductance in nanoparticle arraysV. Estévez E. Bascones. Phys. Rev. B 83, 020408, Rapid Comm. (2011).
  • Electronic correlations and disorder in transport through one-dimensional nanoparticle arrays. E. Bascones, V. Estévez, J.A. Trinidad and A.H. MacDonald, Phys. Rev. B 77, 245422 (2008).
  • Nonequilibrium effects in transport through quantum dots E. Bascones, C.P. Herrero, F. Guinea and G. Schon, Phys. Rev. B 61, 16778 (2000).

   

• Nanocontacts and Mesoscopic superconductors

  • Review article: Superconducting nanostructures fabricated with the scanning tunnelling microscope J.G. Rodrigo, H. Suderow, S. Vieira, E. Bascones and F. Guinea, J. Phys. Condens. Matter
  • Minigap in a superconductor-normal metal junction with paramagnetic impuritiesB. Crouzy, E. Bascones and D.A. Ivanov. Phys. Rev. B 72, 092501 (2005).
  • Single-channel transmission in gold one-atom contacts and chainsG. Rubio-Bollinger, C. de las Heras, E. Bascones, N. Agrait, F. Guinea and S. Vieira,
    Phys. Rev. B 67, 121407, Rapid. Comm. (2003).
  • Direct current through a superconducting two-barrier systemE. Bascones and F. Guinea, Phys. Rev. B 65, 174505 (2002).
  • Proximity effect and strong-coupling superconductivity in nanostructures built with an STMH. Suderow, E. Bascones, A. Izquierdo, f. Guinea and S. Vieira,
    Phys. Rev. B 65, 100519 Rapid. Comm. (2002).
  • Andreev scattering in nanoscopic junctions in a magnetic field H. Suderow, E. Bascones, W. Belzig, F. Guinea and S. Vieira,
    Europhys. Lett. 50, 749 (2000).
  • Nanosized superconducting constrictions M. Poza, E. Bascones, J.G. Rodrigo, N. Agrait, S. Vieira and F. Guinea,
    Phys. Rev. B 58, 11173 (1998).
  • Statistical significance of conductance quantization E. Bascones, G. Gómez Santos and J.J. Saénz Phys. Rev. B 57, 2541 (1998).

   

• Related topics

  • Review article. Dissipative Quantum Systems F. Guinea, E. Bascones and M.J. Calderón, Proceedings of II training course in the physics of correlated systems and high Tc superconductors.
    IIASS. Vietri sul Mare (SA). Published by the American Institute of Physics, June 1998. Ed. F. Mancini.
  • Backscattering from perfectly reflective random media E. Bascones, M.J. Caldero´n, D. Castelo, T. L&oacutepez and J.J. Saénz. Phys. Rev. B 55, R11911 Rapid comm. (1997).