Materials / Atomic and nuclear physics. Universidad de Granada

Departamento de Física Atómica, Molecular y Nuclear. Universidad de Granada

Personnel

• Researchers: Elvira Romera, Ignacio Porras, Trinidad García.

Research lines:

• Theroretical study of nanotecnologic based and nanostructured materials for multiple applications.
• Fundamental electronic studies of graphene.

Selection of recent publications (in the last 5 years):

• Graphene publications:
  • "Wave packet revivals in monolayer and bilayer graphene rings". Authors: Trinidad García, Salvador Rodríguez-Bolívar, Nicolás A. Cordero and E. Romera. J. Phys. Condens. Matter , 25 , 235301 (2013).
  • "Characterization of quantum phase transitions in Dirac systems by means of wave packet dynamics." Authors: E. Romera and J. J. Torres. AIP Advances, 2, 042121 (2012).
  • "Revivals of zitterbewegung of a bound localized Dirac particle". Authors: E. Romera. Physical Review A, 84, 052102 (2011).
  • "Wave packet revivals in a graphene quantum dot in a penpendicular magnetic field". Authors: J. J. Torres and E. Romera. Phys. Rev. B, 82, 155419 (2010).
  • "Revivals, classical periodicity, and zitterbewegung of electron currents in monolayer graphene". Authors: E. Romera and F. de los Santos. Phys. Rev. B, 80, 165416 (2009).
• Publications about other issues:
  • "Sulfur-33 nanoparticles: A Monte Carlo study of their potential as neutron capturers for enhancing boron neutron capture therapy of cancer". Authors: I. Porras. Appl. Radiat. and Isot. 69, 1838-1841 (2011).
  • "Application of new Renyi uncertainty relations to wave packet revivals." Authors: F. de los Santos, C. Guglieri and E. Romera. Physica E, 42 , 303 (2010)
  • "Generalized Statistical Complexity and Fisher-R´enyi entropy product in the H-atom." Authors: E. Romera, R. López-Ruiz, J. Sa˜nudo and ´A. Nagy. International Review of Physics, 3, 207 (2009).
  • "A Generalized Statistical Complexity Measure: Applications to Quantum Systems." Authors: R. López-Ruiz, A. Nagy, E. Romera, J. Sa˜nudo. J. Math. Phys., 80, 165416 (2009). Selected by Virutal Journal of Quantum information: 10(1), (2010). Selected by Virutal Journal of Nanoscale Science and Technology information: 21(3), (2010).
  • "Relation between Fisher measures of information coming from pair distribution functions." Authors: A. Nagy and E. Romera. Chemical Physics Letters, 490, 242 (2010). Selected by Virutal Journal of Nanoscale Science and Technology information: 22(17), (2010)
  • "Renyi entropy and quantum phase transition in the Dicke model." Authors: E. Romera and A. Nagy. Physics Letters A, 375, 3066 (2011)
  • "A generalized relative complexity measure." Authors: E. Romera, K. Sen and A. Nagy. Journal of Statistical Mechanics, P09016, (2011)
  • "Entropic uncertainty and the quantum phase transition in the Dicke model". Authors: E. Romera, M. Calixto and A. Nagy. EPL, 97, 20011 (2011) (Highlights 2012 EPL).
  • "Fisher information, R´enyi entropy power and quantum phase transition in the Dicke model". Authors: A. Nagy and E. Romera. Physica A, 375, 3066 (2012).
  • "Signatures of quantum fluctuations in the Dicke model by means of Renyi uncertainty". Authors: M. Calixto, A. Nagy, I. Paradela and E. Romera. Phys. Rev. A, 85, 053813 (2012)
  • "Husimi distribution and phase-space analysis of a Dicke-model quantum phase transition". Authors: E. Romera, R. del Real, and M. Calixto. Phys. Rev. A, 85, 053831 (2012)
  • "Parity-symmetry-adapted coherent states and entanglement in quantum phase transitions of vibron models". Authors: M. Calixto, E. Romera and R. del Real. J. Phys. A, 45, 365301 (2012)
  • "Husimi distribution, Wehrl entropy and superradiant phase in spin-boson interactions". Authors: R. del Real, M. Calixto and E. Romera. Physica Scripta, T153, 014016 (2013)
  • "Husimi distribution and phase-space analysis of a Vibron-model quantum phase transition". Authors: M. Calixto, R. del Real, and E. Romera. Phys. Rev. A, 86, 032508 (2012)
  • "Rényi entropy of the U(3) vibron model". Authors: E. Romera, R. del Real, M. Calixto, S. Nagy, A. Nagy. Journal of Math. Chem., 51, 620 (2013)
  • "Local coordinate, wave vector, Fisher and Shannon information in momentum representation". Authors: A. Nagy, E. Romera and S. B. Liu. Phys. Lett. A, 377 , 286 (2013)
  • "A density functional theory view of quantum phase transitions". Authors: A. Nagy,M. Calixto and E. Romera. J. Comp. Theory Chem., 9 , 1068 (2013)
  • "Revival times at quantum phase transitions". Authors: F. de los Santos and E. Romera. Phys. Rev. A, 87, 013424 (2013)