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We study the Goos-Hanchen like shifts for Dirac fermions in graphene scattered by double barrier structures. After obtaining the solution for the energy spectrum, we use the boundary conditions to explicitly determine the Goos-Hanchen like…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Ahmed Jellal , Ilham Redouani , Youness Zahidi , Hocine Bahlouli

We study the effect of a magnetic field on Goos-H\"anchen shifts in gaped graphene subjected to a double triangular barrier. Solving the wave equation separately in each region composing our system and using the required boundary…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 Miloud Mekkaoui , Ahmed Jellal , Hocine Bahlouli

We study the Goos-H\"anchen (GH) shifts for transmitted Dirac fermions in gapped graphene through a single barrier structure having a time periodic oscillating component. Our analysis shows that the GH shifts in transmission for central…

Mesoscale and Nanoscale Physics · Physics 2020-02-12 Bouchaib Lemaalem , Miloud Mekkaoui , Ahmed Jellal , Hocine Bahlouli

We studied the transport properties of electrons in graphene as they are scattered by a double barrier potential in the presence of an inhomogeneous magnetic field. We computed the transmission coefficient and Goos-H\"anchen like shifts for…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Miloud Mekkaoui , Ahmed Jellal , Hocine Bahlouli

We study Dirac fermions in gapped graphene that are subjected to a magnetic field and a potential barrier harmonically oscillating in time. The tunneling modes inside the gap and the associated Goos-H\"anchen (GH) shifts are analytically…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Miloud Mekkaoui , Ahmed Jellal , Hocine Bahlouli

We consider a system of Dirac fermions in graphene submitted to a constant perpendicular magnetic field and scattered by a barrier potential. We show that our system can be used to establish a link with quantum optics through the…

Mesoscale and Nanoscale Physics · Physics 2014-04-23 Ahmed Jellal , Miloud Mekkaoui , Youness Zahidi

We investigate the strain effect on the Goos-H\"anchen (GH) shifts and group delay time for transmitted Dirac fermions in gapped graphene through a single barrier potential. The solutions of energy spectrum are used to compute the…

Mesoscale and Nanoscale Physics · Physics 2022-04-27 Miloud Mekkaoui , Youssef Fattasse , Ahmed Jellal

We investigate the Goos-H\"{a}nchen-like shifts for Dirac fermions in transmission through a monolayer graphene barrier. The lateral shifts, as the functions of the barrier's width and the incidence angle, can be negative and positive in…

Mesoscale and Nanoscale Physics · Physics 2011-02-17 Xi Chen , Jia-Wei Tao , Yue Ban

Using the energy spectrum of graphene with spatially modulated potential, we study the Goos-H\"anshen shifts near extra Dirac points located at finite energy $\varepsilon=m\pi$, with $m$ integer. On both sides of such points, we show that…

Mesoscale and Nanoscale Physics · Physics 2020-03-18 Abdellatif Kamal , Ahmed Jellal

The quantum Goos-H\"anchen shifts of the transmitted electron beam through an AA-stacked bilayer graphene superlattices is investigated. We found that the band structures of graphene superlattices can have more than one Dirac point, their…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 Youness Zahidi , Ilham Redouani , Ahmed Jellal

Transport of massless Dirac fermions in graphene monolayers is analyzed in the presence of a combination of singular magnetic barriers and applied electrostatic potential. Extending a recently proposed (J Phys. Cond. Matt. Vol 21, 292204…

Mesoscale and Nanoscale Physics · Physics 2011-01-20 Manish Sharma , Sankalpa Ghosh

Using the energy spectrum of a system made of graphene subjected to a linear barrier potential, we study the Goos-H\"anshen shifts. The calculation is done by first determining the corresponding phase shifts via the transmission and…

Mesoscale and Nanoscale Physics · Physics 2018-12-31 Miloud Mekkaoui , Radouane El Kinani , Ahmed Jellal

We study the transmission probability of Dirac fermions in graphene scattered by a triangular double barrier potential in the presence of an external magnetic field. Our system made of two triangular potential barrier regions separated by a…

Mesoscale and Nanoscale Physics · Physics 2015-11-24 Miloud Mekkaoui , Ahmed Jellal , Hocine Bahlouli

We report giant Goos-H\"{a}nchen shifts [Goos and H\"{a}nchen, Ann. Phys. 436, 333 (1947)] for electron beams tunneling through graphene double barrier structures. We find that inside the transmission gap for the single barrier, the shift…

Mesoscale and Nanoscale Physics · Physics 2012-08-14 Yu Song , Han-Chun Wu , Yong Guo

We investigate the Goos--H\"anchen (GH) shifts and group delay time of Dirac fermions traversing a rectangular electrostatic potential barrier in silicene. By analyzing their dependence on the incident angle, barrier height, barrier width,…

Mesoscale and Nanoscale Physics · Physics 2026-03-25 Youssef Fattasse , Hocine Bahlouli , Clarence Cortes , David Laroze , Ahmed Jellal

We study the transmission probability of Dirac fermions in graphene scattered by a triangular double barrier potential in the presence of an external magnetic field. Our system made of two triangular potential barrier regions separated by a…

Mesoscale and Nanoscale Physics · Physics 2022-11-09 Miloud Mekkaoui , Ahmed Jellal , Hocine Bahlouli

We study the inelastic scattering of two-dimensional massless Dirac fermions by an inhomogeneous time-dependent driving field. As a physical realization we consider a monolayer graphene normally illuminated with a circularly polarized laser…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 A. Huamán , Gonzalo Usaj

We investigate the Goos-H\"anchen shift for ballistic electrons (i) reflected from a step-like inhomogeneity of the potential energy and (or) effective mass, and (ii) transmitted through a ferromagnetic barrier region in monolayer silicene…

Mesoscale and Nanoscale Physics · Physics 2016-10-19 E. S. Azarova , G. M. Maksimova

The Goos-Hanchen (GH) effect is an interference effect on total internal reflection at an interface, resulting in a shift sigma of the reflected beam along the interface. We show that the GH effect at a p-n interface in graphene depends on…

Mesoscale and Nanoscale Physics · Physics 2009-04-10 C. W. J. Beenakker , R. A. Sepkhanov , A. R. Akhmerov , J. Tworzydlo

We study the effect of the double potentials (barrier, well) on the Goos-H\"anchen (GH) shifts in phosphorene. We determine the solutions of the energy spectrum associated with the five regions that make up our system. By studying the phase…

Mesoscale and Nanoscale Physics · Physics 2024-10-21 Jilali Seffadi , Hocine Bahlouli , Ahmed Jellal
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