Julian Faundez

Dr. Julian Faundez

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Research Focus & Metrics

Academic Career Length

10Years (2017-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 March 2017 in Journal of Magnetism and Magnetic Materials
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Journal Article
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Eduardo CisternasEduardo Cisternas
Eduardo Cisternas
JFJulian Faundez
Julian Faundez
EVEugenio E. Vogel
Eugenio E. Vogel

26 May 2025 in Applied Physics A
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CTCristian Andres Aguirre Tellez
Cristian Andres Aguirre Tellez
JFJulian Faundez
Julian Faundez
PDPablo Díaz
Pablo Díaz
DLDavid Laroze
David Laroze
AMAriday SamiT Mosquera-Polo
Ariday SamiT Mosquera-Polo
JBJose Barba
Jose Barba

8 March 2022 in Journal of Low Temperature Physics
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CTCristian Andres Aguirre Tellez
Cristian Andres Aguirre Tellez
JFJulian Faundez
Julian Faundez
SMSergio Garcia Magalhães
Sergio Garcia Magalhães
JBJose Barba
Jose Barba

4 February 2026 in SciPost Physics Core
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Journal Article
Open access
CACristhian A. Aguirre
Cristhian A. Aguirre
JBJose Barba
Jose Barba
AAAlberto S. de Arruda
Alberto S. de Arruda
JFJulian Faundez
Julian Faundez
In this study, we explore the behavior of a superconducting meso-wedge geometry in 3+1 dimensions (three spatial dimensions plus time) subjected to external transport currents at its boundaries and surfaces, as well as external fields applied along the \hat{z} z ̂ -direction. The transport currents are included as two opposite polarities, J;gt0 J > 0 and J<0 J < 0 , respectively. Using the generalized time-dependent Ginzburg-Landau theory and considering the order parameter \kappa κ , we focus on two scenarios: a fixed external magnetic field with variable \kappa κ , and fixed \kappa κ with variable external magnetic field. As a result, under both scenarios, we analyze the voltage-current characteristics of the superconducting meso-wedge, finding that the critical currents differ between polarities, demonstrating the system’s non-reciprocity. We further examine the efficiency of the diode as a function of \kappa κ and the external magnetic field applied. Furthermore, our observations reveal that the current polarity strongly influences the vortex configuration, the parameter \kappa κ , and the applied magnetic field. In particular, the formation of Abrikosov-type vortices exhibits pronounced inhomogeneity depending on the direction of the transport currents. This underscores that the diode effect in the superconducting meso-wedge is intimately associated with the anisotropic nucleation of Abrikosov vortices. Notably, the emergence of polarity-dependent vortex patterns can serve as a distinctive hallmark of the diode effect in these superconducting meso-wedge geometries.

3 November 2025 in Physical Review B
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TMThales F. Macedo
Thales F. Macedo
JFJulian Faundez
Julian Faundez
RSRaimundo R. dos Santos
Raimundo R. dos Santos
NCNatanael C. Costa
Natanael C. Costa
FPFELIPE PINHEIRO
FELIPE PINHEIRO

28 December 2018 in Revista Ingenio
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JOJose Jose Barba Ortega
Jose Jose Barba Ortega
MJMiryam Rincón Joya
Miryam Rincón Joya
JFJulian Faundez
Julian Faundez
En esta contribución se estudió la respuesta eléctrica de la creación-aniquilación de vórtices cinemáticos en una película superconductora en presencia de una corriente continua externa a campo magnético nulo. La película se encuentra en contacto con diferentes tipos de materiales simulados a través del parámetro de extrapolación de deGennes ; a s u vez, posee una pequeña región metálica localizada a una distancia del centro. Usamos la teoría de Ginzburg-Landau dependiente del tiempo para describir la variación voltaje en función del tiempo en un proceso de creación-aniquilación de vórtices cinemáticos considerando varias posiciones del defecto metálico y del parámetro de deGennes. Nuestra investigación muestra que las corrientes críticas, amplitud y frecuencia de las oscilaciones en la curva dependen fuertemente del parámetro de deGennes y de la posición del defecto en la muestra.