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Dr. Abdullah Yar


PhD in Condensed Matter Theory

 

Education:

  • Ph.D: Condensed Matter Physics (Theory), University of Regensburg, Germany.
    M.Phil: Condensed Matter Physics (Theory), Quaid-i-Azam University, Islamabad, Pakistan.
    M.Sc: Physics, Quaid-i-Azam University, Islamabad, Pakistan.
    B.Sc: Physical Science, University of Peshawar, Khyber Pakhtunkhwa, Pakistan.
    H.S.S.C: Pre-Engineering, Islamia College Peshawar, Khyber Pakhtunkhwa, Pakistan.
    S.S.C: Science group, Govt. Higher Secondary School Eidak, District North Waziristan, Pakistan.

Teaching/Research Experience:

  •  Associate Professor, Department of Physics, Kohat University of Science & Technology (KUST), Kohat-26000, Khyber Pakhtunkhwa, Pakistan,  since March 04, 2019 to date.
  • Assistant Professor, Department of Physics, Kohat University of Science & Technology (KUST), Kohat-26000, Khyber Pakhtunkhwa, Pakistan,    since December 31, 2015 to March 03, 2019.
  • Lecturer, Department of Physics, Kohat University of Science & Technology (KUST), Kohat-26000, Khyber Pakhtunkhwa, Pakistan, since October 10, 2006 to December 30, 2015.
  • Lecturer, Department of Physics, University of Malakand, Chakdara, Dir (Lower), Khyber Pakhtunkhwa, Pakistan, since September 02, 2004 to October 09, 2006.

Research Interests:

  • Electronic transport in interacting quantum dot systems.
  • Magnetotransport in 2DEG systems, graphene, Weyl semimetals, and topological insulators.
  • Electron-vibron effects in interacting quantum dot systems.
  • Spin-vibron coupling effects in interacting quantum dot systems.
  • Electronic transport and collective excitations in graphene-based systems.
  • Radiation-matter interaction effects.
  • Spin and charge transport in Dirac materials.

Publications:

  • Abdullah Yar, "Brownian dynamics of Dirac fermions in twisted bilayer graphene", Phys. Scr. 98, 095949 (2023).
  • Abdullah Yar, Muhammad Taif Usman, and Kashif Sabeeh, "Tuning the spin of Dirac fermions on the surface of topological insulators in proximity to a helical spin density wave", J. Phys.: Condens. Matter 35, 445702 (2023).
  • Abdullah Yar and Rifat Sultana, "Bloch dynamics in monolayer phosphorene with broken inversion symmetry", Phys. Rev. B 108, 024309 (2023).
  • Abdullah Yar, Bushra Sarwar, Syed Bilal Ali Shah, and Kashif Sabeeh, "Bloch oscillations in moire' flat band systems", Phys. Lett. A 478, 128899 (2023).
  • Abdullah Yar, Bushra Naz, Muhammad Taif Usman and Kashif Sabeeh, "Relativistic ratcheting on the surface of topological insulator Bi2Se3 attached to spiral multiferroic oxide", J. Appl. Phys. 133, 185102 (2023).
  • Abdullah Yar and Rifat Sultana, "Nonlinear Hall effect in monolayer phosphorene with broken inversion symmetry", J. Phys.: Condens. Matter 35, 165701 (2023).
  • Rifat Sultana, Abdullah Yar, and Maimoona Muhibullah, "Kubo conductivity in phosphorene", J. Phys. Chem. Solids 176, 111257 (2023).
  • G. Murtaza, S. S. A. Shah, S. Khan, S. Muhammad, A. Yar, and M. W. Ashraf, "First principles investigation of electronic, optical and magnetic properties of MgYb2X4 (X=S, Se, Te)", Supercond. Nov. Magn. 36, 263 (2023).
  • Ziauddin, Anwar Ali, Abdullah Yar, and Muqaddar Abbas, "Transparency in a Laguerre-Gaussian photo-rotational cavity", Eur. Phys. J. Plus 137, 1203 (2022).
  • Abdullah Yar and Noor Ul Wahab, "Transport signatures of anisotropic tilted Dirac cones in 8-Pmmn borophene", Eur. Phys. J. B 95, 123 (2022).
  • Abdullah Yar, Jasra, and Kashif Sabeeh, "Nonlinear Hall Effect in Topological Insulator Bi2Te3 with Hexagonal Warping", J. Appl. Phys. 131, 184401 (2022).
  • Abdullah Yar, Gul Bahadar, Ikram Ullah, and Kashif Sabeeh, "Topological Insulator Phase Transition in 8-Pmmn Borophene",  Phys. Lett. A 429, 127916 (2022).
  • Abdullah Yar, "Quantum chaos dynamics on the surface of topological insulator attached to spiral multiferroic oxide in a magnetic field", Phys. Lett. A 387, 127037 (2021).
  • Abdullah Yar and Afeefa Ilyas, "Effects of Electric and Magnetic Fields on Zitterbewegung of Electron Wave Packet in Borophene" J. Phys. Soc. Jpn. 89, 124705 (2020).
  • Abdullah Yar, Muhammad Zubair, and Kashif Sabeeh, "Optical radiation induced chaotic dynamics of electrons in a uniform magnetic field", J. Phys.: Condens. Matter 32, 095403 (2020).
  • Abdullah Yar and Safi Ullah Khan, "Chaotic transport of electron wave packet in Weyl semimetal slab", Phys. Rev. E 99, 052213 (2019).
  • Abdullah Yar and Kashif Sabeeh, "Hybridization effects on persistent currents in rings of topological insulators", Physica E 114, 113624 (2019).
  • Abdullah Yar, "Spin dynamics and persistent currents on a cylindrical surface of topological insulator", Europhys. Lett. 126, 50003 (2019). 
  • Abdullah Yar, "Spin and charge transport of electron on a mesoscopic ring of topological insulator thin film in uniform magnetic field", J. Appl. Phys. 126, 015302 (2019). 
  • Abdullah Yar, Muhammad Naeem, Safi Ullah Khan, and Kashif Sabeeh, "Hybridization effects on wave packet dynamics in topological insulator thin films", J. Phys.: Condens. Matter 29, 465002 (2017). 
  • Abdullah Yar and Kashif Sabeeh, "Radiation-assisted magnetotransport in two-dimensional electron gas systems: appearance of zero resistance states", J. Phys.: Condens. Matter 27, 435007 (2015).
  • Abdullah Yar, Andrea Donarini, Sonja Koller, and Milena Grifoni, "Dynamical symmetry breaking in vibration-assisted transport through nanostructures", Phys. Rev. B 84, 115432 (2011). 
  • Andrea Donarini, Abdullah Yar, and Milena Grifoni, "Spectrum and Franck-Condon factors of interacting suspended single-wall carbon nanotubes", New J. Phys. 14, 023045 (2012). 
  • A. Donarini, A. Yar, and M. Grifoni, "Vibration induced memory effects and switching in ac- driven molecular nanojunctions", Eur. Phys. J. B 85, 316 (2012).
  • V. Fessatidis, N. J. M. Horing, K. Sabeeh, A. Yar, and M. L. Glasser, "Electric field effects on motion of a charged particle through a saddle potential in a magnetic field", Phys. Rev. B 76, 115328 (2007). 
  • Zeshan Zada, A. Laref, G. Murtaza, Aurang Zeb, A. Yar, "First-principles calculations of electronic and magnetic Properties of XMn2Y2 (X = Ca, Sr; Y = Sb, Bi) compounds", Int. J. Mod. Phys. B 33, 1950199 (2019). 
  • Shahid Ullah, Hayat Ullah, Abdullah Yar, Sikander Azam, and A. Laref, "First-principles investigation of the electronic band structures and optical properties of quaternary ABaMQ4 (A = Rb, Cs; M = P, V; and Q = S) metal chalcogenides", Int. J. Mod. Phys. B 32, 1850337 (2018). 
  • Naeem Ullah, R. Q. Zhang, G. Murtaza, Abdullah Yar, Asif Mahmood, "Stacking nature and band gap opening of graphene: Perspective for optoelectronic applications", Solid State Commun. 246, 54-58 (2016). 
  • Samad Iqbal, G. Murtaza, R. Khenata, Asif Mahmood, Abdullah Yar, M. Muzammil, Mattiullah Khan, "Electronic and optical properties of Ca3MN (M = Ge, Sn, Pb, P, As, Sb and Bi) Antiperovskite Compounds", J. Electron. Mater. 45, 4188-4196 (2016).
  • M. Faizan, G. Murtaza, Sikander Azam, Saleem Ayaz Khan, Asif Mahmood, Abdullah Yar, "Elastic and optoelectronic properties of novel Ag3AuSe2 and Ag3AuTe2 semiconductors", Mater. Sci. Semicond. Process. 52, 8 (2016).
  • Abdul Basit, G. Murtaza, Asif Mahmood, Abdullah Yar, and S. Muhammad, "Structural, optoelectronic, and thermoelectric properties of AZn13 (A= Na, K, Ca, Sr, Ba) compounds", Int. J. Mod. Phys. B 30, 1650221 (2016). 
  • Shah Khalid, G Murtaza, Saeed Ullah Jan, Naeem Ullah, and Abdullah Yar, "Structural and electronic properties of Y1-xGexTe (Y=Sn,Pb) by DFT", Indian J. Pure & Appl. Phys. 54, 694 (2016). 
  • Abdul Basit, G. Murtaza, Asif Mahmood, Saleem Ayaz Khan, M. Aneel, Abdullah Yar, Kin Mun Wong, "Specific features investigation of the AE2ZnN2 (AE=Ca, Sr, Ba) compounds from indirect to direct band gap: DFT study", Mater. Sci. Semicond. Process. 57, 116 (2017). 
  • Abdullah Yar and Kashif Sabeeh, "Radiation Effects on Electron Dynamics in Two-Dimensional Electron Systems", Proc. 14th Regional Conference on Mathematical Physics, World Scientific Publishing Singapore, pp. 305-310 (2018).
  • V. Fessatidis, N. J. M. Horing, K. Sabeeh, A. Yar, and M. L. Glasser, "Electron tunneling/scattering through a QPC saddle point potential in crossed electric and magnetic fields", Physica status solidi (c), Volume 4, Issue 2, Page 301-303, February 2007.

Graduate Supervision:

  • Mr Muhammad Imran (M.Phil completed)
    Research Project Title:
    Effect of Quantum Criticality on the Decay of Loschmidt Echo.
  • Ms Bushra Naz (M.Phil completed)
    Research Project Title: 
    Hexagonal Warping Effect on Brownian motion in Topological Insulator Bi2Te3.
  • Ms Sadaf Rashid (M.Phil completed)
    Research Project Title: 
    Kubo Conductivity in Twisted Bilayer Graphene.
  • Ms Bushra Sarwar (M.Phil completed)                                                                                                                                                  Research Project Title: Investigation of Bloch Oscillations in Flat Band Moire  Graphene in Applied Electric Field..
  • Ms Jasra (M.Phil in progress)                                                                                                                                                                  Research Project Title: Nonlinear Hall Effect in Topological Insulator Bi2Te3 with Hexagonal Warping Effect. 
  • Ms Ulfat Almas (M.Phil completed)                                                                                                                                                        Research Project Title: Electromagnetic Radiation-Assisted Thermal Transport in Topological Insulator Thin Films.
  • Ms Rabia Shakir (M.Phil completed)                                                                                                                                                          Research Project Title: Theoretical Study of Chaos Signatures in Atomic-Field Interaction Systems.
  • Ms Syeda Khalida (M.Phil completed)                                                                                                                                                    Research Project Title: Theoretical Study of Chaos Dynamics in Atomic-Filed Interaction Systems.
  • Ms Maimoona Muhibullah (M.Phil completed)
    Project Title:
    Investigation of Quantum Hall Effect in Monolayer Phosphorene.
  • Mr Noor Ul Wahab (M.Phil completed)
    Research Project Title:  Off-Resonant Radiation-Induced Transport Signatures of Anisotropic Tilted Dirac Cones in 8-Pmmn Borophene.
  • Mr Gul Bahadar (M.Phil completed)
    Research Project Title: Theoretical Study of Quantum Spin and Valley Hall Effects in Borophene with Spin Orbit Interaction in Applied Electric Field.
  • Ms Abida Wareed (M.Phil completed)
    Research Project Title: Electron-Phonon Interaction Effects on Energy Spectrum of Topological Insulator Thin Films.
  • Ms Iqra Fatima (M.Phil completed)
    Research Project Title: Optical Radiation Induced Chaos Dynamics in Two Dimensional System in a Magnetic Field.
  • Mr Muhammad Salman Khan (M.Phil completed)                                                                                                                          Research Project Title: Dynamics of Bipartite Entanglement Under an Environment Characterized by Dzyaloshinskii-Moriya Interaction.
  • Ms Maimoona Khattak (M.Phil completed)                                                                                                                                      Research Project Title: Hybridization Effects On Brownian Motion Of Dirac Fermions In Topological Insulator Thin Films.
  • Ms Afeefa Ilyas (M.Phil completed)                                                                                                                                                        Research Project Title: Electric and magnetic field effects on zitterbewegung of electron wave packet in borophene.
  • Mr M. Taif Usman (M.Phil completed)                                                                                                                                                    Research Project Title: Terahertz Signal Detection via Electromagnetically Induced Transparency in Magnetized Graphene.
  • Mr Yasir Samood (M.Phil completed)                                                                                                                                                    Research Project Title: Vibration-assisted spin-dependent electronic transport through quantum dots of topological insulator.
  • Mr Atif Ihsan (M.Phil completed)                                                                                                                                                          Research Project Title: Spin dynamics and persistent currents on graphene ring with and without magnetic field.
  • Ms Rifat Sultana (M.Phil completed)                                                                                                                                                      Research Project Title: Electric field effects on spin-dependent electron wave packet transport on the surface of a topological insulator attached to a spiral multiferroic oxide.
  • Ms Alveena Rahim (M.Phil completed)                                                                                                                                                  Research Project Title: Spin Dynamics and Persistent Currents on a Ring of Two Dimensional Electron Gas in a Magnetic Field.
  • Ms Tayyaba Arshid (M.Phil completed)                                                                                                                                                  Research Project Title: Theoretical Study of Spin Dynamics and Persistent Currents on a Ring of Topological Insulator Thin Film.
  • Mr Muhammad Zubair (M.Phil completed)                                                                                                                                  Research Project Title: Optical Radiation Effects on Zitterbewegung of Electron in Uniform Magnetic Field.
  • Mr Safi Ullah Khan (M.Phil completed)                                                                                                                                        Research Project Title: Zitterbewegung of Electron in Weyl Semimetal Slab.
  • Mr Muhammad Naeem (M.Phil completed)                                                                                                                                Research Project Title: Hybridization Effects on Zitterbewegung of Electron in Topological Insulator Thin Films.
  • Mr Shahid Ullah (M.Phil completed)                                                                                                                                                      Research Project Title: Computational Study of Electrical and Optical Properties of Quaternary Metal Chalcogenides ABaMQ4 (A= Rb, Cs, M=P, V, and Q=S).
  • Mr Waqas Nafees (M.Phil completed)                                                                                                                                                    Research Project Title: Simulation Study of the Electronic and Structural Properties of Thiophene-based Derivatives.
  • Mr Safdar Malook (M.Phil completed)                                                                                                                                                    Research Project Title: Theoretical Study of Substituted Azobezenes.
  • Ms Rifat Sultana (PhD in progress)                                                                                                                                                        Research Project Title: Quantum Transport in Topological Insulators.
  • Mr Muhammad Taif Usman (PhD in progress)                                                                                                                                      Research Project Title: Transport on the surface of topological insulator attached to spiral multiferroic oxide.
  • Mr Wajid Ullah Khan (M.Phil in progress)}
    Research Project Title: Electron-Phonon Interaction Effect on Kubo Conductivity in Topological Insulator.
  • Ms Sadia Gul (M.Phil in progress)                                                                                                                                                    Research Project Title: Effect of Helical Spin Density Wave on Surface States of Topological Insulators.
  • Mr Inam Ullah (M.Phil in progress)                                                                                                                                                Research Project Title: Bloch Dynamics in Second-Order Topological Insulators.
  • Ms Sumayya (M.Phil in progress)                                                                                                                                                         Research Project Title: Spin-Polarized Second-Order Nonlinear Hall Effect in Tilted Single-Layer Gapped Fermion Systems.

Research Projects:

  1.  "Investigation of Quantum Transport in Topological Insulators", HEC funded NRPU Project No. 11459, with total cost of Rs. 7,479,366/- (Completed as a Principal Investigator).
  2. "Aspects of Electron Transport in Topological Insulators", ORIC Research and Development Fund Program Project No.OFP-20(6)9, with total cost of Rs. 515526/- (Completed as a Principal Investigator).

Conference Organized:

  1. Conference, titled "National Conference on Emerging Trends in Advanced Materials", held on March 7-8, 2023 in Kohat University of Science & Technology, Organized as a Chief Organizer.

Summer Schools Attended:

  • Participated in the School on Non-linear Dynamics, Dynamical Transitions and Instabilities in Classical and Quantum Systems, held (July 14 to August 01, 2014) at the Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy.       Presentation Title: Radiation-Assisted Magnetotransport in Two-Dimensional Electron Gas Systems. 

 Awards:

  • Best University Teacher Award 2019-20.

Participation in International Conferences/Seminars/Colloquiums:

  • 2nd Global Summit on Condensed Matter Physics, held in Dubai, UAE from October 17-19, 2022
  • 14th Regional Conference on Mathematical Physics, Quaid-i-Azam University, Islamabad, Pakistan, November 9-15, 2015.
  • Workshop on Contemporary Topics in Nanomagnetism, National Centre for Physics (NCP), Islamabad, Pakistan, February 23-27, 2015.
  • Conference on Frontiers of Nanoscience and Nanotechnology, Pakistan Institute of Nuclear Science and Technology (PINSTECH), Islamabad, Pakistan, June 03--05, 2014.
  • International Scientific Spring, National Centre for Physics (NCP), Islamabad, Pakistan, March 11--15, 2013.
  • International Conference and Workshop on Nano-Science and Technology, Quaid-i-Azam University, Islamabad, Pakistan, October 1--5, 2012.
  • Deutsche Physikalische Gesellschaft (DPG), Spring Meeting Berlin, Germany, March 25--30, 2012.
  • 25th International Winterschool on Electronic Properties of Novel Materials, Kirchberg/Tirol, Austria, February 26--March 05, 2011.
  • Deutsche Physikalische Gesellschaft (DPG), Spring Meeting Regensburg, Germany, March 21--26, 2010.
  • Deutsche Physikalische Gesellschaft (DPG), Spring Meeting Dresden, Germany, March 22--27, 2009.
  • 58th Meeting of Nobel Laureates in Lindau, Germany, June 29--July 04, 2008.

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