Biography

Born 1949.  Married with three children.  Ph.D. in theoretical nuclear physics, from the American University of Beirut in 1978.  Professor of Physics since February 1992, at Department of Physics/Yarmouk University.  Currently Dean of Graduate Studies and Scientific Research/German Jordanian University.  Research interests are in Nuclear Physics, Fine Particle Magnetism both theory & experimental, Superconductivity, and Applications of Fractional Calculus. Co-author of two university level books and over sixty five publications in international journals. Fulbright Award to UCSD-California 1989-1990.  Fulbright Award to University of Texas at Austin 1996. Associate Member of the International Center for Theoretical Physics, Trieste, Italy, 1991-1996. Scopus Award for outstanding research publications 2009. Member of the committee of Judges for ISEF in Jordan.  Member of the Supervisory Committee for the textbooks at the high school level in Jordan, formed by the Minister of Education from 1992-2002.  Member of the Jordanian Higher Education Council, highest governing board in Jordan, appointed by a royal Decree by His Majesty King Abdallah the second. Supervisor of over forty graduate students’ theses in Physics for the last 30 years.  Two research grants awarded by the prestigious DFG (German Research Foundation), from 1994-1998 for the amount of 108,670 DM (hundred eight thousands and six hundred seventy DM), to work on magnetic liquids.

Educational Background

1978 Ph.D., Department of Physics, American University of Beirut, Lebanon
1976 M.Sc., Department of Physics, American University of Beirut, Lebanon
1973 B.Sc., Department of Physics, Lebanese University, Lebanon
Research Interests

My interests now are mainly in the magnetic properties of High-Tc Superconductors, theory of Superconducting levitation and in Systems of Nano magnetic particles, both theory and experiment. In addition, I am interested in theoretical Nuclear Physics (Nuclear Structure, Shell Model Theory). I have interest in Fractional Differential Equations and its Applications.

Experience
  • 1973-1976 :     Instructing students in Physics Laboratories at the American  University of Beirut .

  • 1976-1977  :    Half-time Faculty Member of the Physics Dept., American University of Beirut .

  • Summer 1977: Full-time Faculty Member of the Physics Dept., American University of Beirut .

  • 1977-1978: Instructor of Physics at the American University of Beirut.

  • 1978-1987  : Assistant  Professor at the Physics Dept . of  Yarmouk University , Irbid, Jordan .

  • 1987-1989  : Associate Professor at the Physics Department of Yarmouk University, Irbid , Jordan .

  • 1989-1990  : Visiting Scholar at the Institute for Pure and Applied Physical Sciences, University of California - San Diego .

  • 1990-1991 : Associate Professor at the Physics Dept. of Yarmouk University, Irbid, Jordan .

  •  1992:  Professor of Physics at the Physics Department of Yarmouk University, Irbid, Jordan .

  • 1992-1996 : Chairman, Department of Physics ,Yarmouk University, Irbid, Jordan . (Two Terms, each two years)

  • 1996-1997: Visiting Professor, Department of Physics, University of Texas at Austin, USA.

  • 1996 : Vice Dean of Graduate Studies and Scientific Research, Yarmouk University, Irbid, Jordan.

  • 1997: Professor of Physics at the Physics Department of Yarmouk University, Irbid, Jordan .

  • 2003-2004: Professor of Physics at the Physics Department of Jordan University of Science and Technology (JUST), Irbid, Jordan .

  • 2006-Jan 2010: Dean of School of Applied Natural Sciences- German Jordanian University - Amman,   Jordan. (Two terms, each two years). During these four years I was responsible for all the duties that a vice president should carry out: i.e. 1) Chairperson of the University Study Plan Committee ( I have set the University required courses and the School required courses as well as the fields of knowledge for 17 study programs), 2) Chairperson of the Central Tenders Committee, 3) Chair of GJU Health Insurance Committee, etc…

  • 2010-2011: Sabbatical from Yarmouk University to GJU.

  • 2010-2011: Consultant to the President of AUM (at the time University of Madaba). I was involved in laying the foundations of the University requirements, seven faculties requirements (In total 32 study programs in 7 Faculties). Also I was involved in determining the various fields of knowledge in 16 study plans for the purposes of accreditation, later it raised to 18 (another two were accredited). I was involved in writing down the various regulations of AUM including the salary scale. Also I was involved in the recruitment of faculty members and some of the administrative employees. Also I devised my own Excel program for the prediction of the revenues and expenditures of AUM over a period of 7 years.

  • 2011-2013: Dean of Graduate Studies and Scientific Research, GJU. (Where I wrote the Regulations for the Deanship Graduate Studies and Scientific Research. The articles of these regulations were reflected in 36 executive forms for students and faculty members.) During this period I introduced a Graduate Studies program in Renewable energy, the environment and climate change, which was funded by TEMPUS – MAPEC. I have filed for accrediting the program and it is now running with an enrolment of over 60 graduate students.

  • 2013-2014: Full professor, Physics Department, Yarmouk University.

  • Sept. 2014-: Tenured Professor of Physics/GJU.

  • Oct. 2014- Feb 2015: Acting Dean of school of Languages.

  • Feb. 2015- : Dean of School of Basic Sciences and Humanities/GJU. (This School was not there, and I had to establish it from scratch, be it the courses or faculty members. I was able to assemble courses and faculty from four different Schools in a record time. Now it is running smooth where I institutionalized the system in the School. If I leave the School my Vice-Deans will be able to takeover without any disruption).    

Awards
  • E.E.C. Scientific Award for research . University of Wales, Bangor, U.K. Summer 1987 .
  • Fulbright Award for the years 1989 and 1990. University of California , San Diego, U.S.A.
  • Associate member at the International Centre For Theoretical Physics for the period 1/Jan./1991 to 31/Dec./1996. Trieste, ltaly .
  • DAAD Award for the Summer of 1991.Kernforschungszentrum Karlsruhe, Germany. 
  • SCOPUS Award for excellence in research. April 2009.  The Award was given during a ceremony in Four Seasons Hotel, by her Royal Highness Princess Sumaya Bint Al-Hassan and the Mininster of Higher Education his excellency Dr. Walid Al-Maani

Selected Publications

2016 H. M. Al-Khateeb, M. K. Alqadi, F. Y. Alzoubi, B. Albiss, M. K. Hasan (Qaseer), and N. Y. Ayoub,"Levitation and lateral forces between a point magnetic dipole and a superconducting sphere",Chin. Phys. ,B 25 ,2016
2014 M. K. Alqadi, F. Y. Alzoubi, H. M. Al-Khateeb, and N. Y. Ayoub,"Interaction Force Between a Magnetic Tip and a High Temperature Superconducting Cylinder",J Supercon Nov Magn. 26 ,2014
2014 A. Harb, and N. Y. Ayoub,"On Slide Mode Control of Chaotic Rikitake Two-Disk Dynamo. -Chaotic Simulations of the Reversals of the Earth’s Magnetic Field",International Journal of Modern Nonlinear Theory and Application,3, 136-143,2014
2013 A. Harb, and N. Y. Ayoub,"Nonlinear Control of Chaotic Rikitake Two-Disk Dynamo",International Journal of Nonlinear Science,Vol. 15, 45-50,2013
2012 F. Y. Alzoubi, M. K. Alqadi, H. Al-Khateeb, S. M. Saadeh and N. Y. Ayoub,"Solution of fractional un-damped forced oscillator",Jordan Journal of Physics ,5,2012
2012 F. Y. Alzoubi, H. M. Al-Khateeb, M. K. Alqadi, S. M. Saadeh and N. Y. Ayoub,"The Force Between a Monolayer of Magnetic Particles and a Superconductor in the Mixed State",Modern Physics Letters ,B, 26 ,2012
2012 M. K. Alqadi, F. Y. Alzoubi, S. M. Saadeh, H. M. Al-Khateeb, and N. Y. Ayoub,"Force Analysis of a Permanent Magnet and a Superconducting Hollow Cylinder",J Supercon Nov Magn. ,25 ,2012
2011 A. A. Obeidat, M. A. Gharaibeh, D. H. Al Samarh, M. K. H. Qaseer, and N. Y. Ayoub,"Effect of Magnetostatic Dipoles Interaction on the Initial Susceptibility of a Dilute Ferrofluid in One Dimension",J Supercon Nov Magn. ,24, 1911-1916,2011
2011 F. Y. Alzoubi, M. K. Alqadi, H. Al-Khateeb, and N. Y. Ayoub,"Size effects on levitation force between a magnet and a superconducting thin film in the Meissner state",J Supercon Nov Magn. ,25,2011
2011 A. A. Obeidat, M. A. Gharaibeh, W. Al-Sharao, D. H. Al Samarh, M. K. H. Qaseer, and N. Y. Ayoub,"Effect of Magnetic Anisotropy on the Two Dimensional Dimer Model in Ferrofluids",Int. J Nanoelectronics and Materials,4, 27-35,2011
2010 M. A. Gharaibeh, A. A. Obeidat, D. H. Al Samarh, M. K. H. Qaseer, and N. Y. Ayoub,"Effect of Magnetic Anisotropy on a One Dimensional System of Magnetic Particles",Jordan Journal of Physics ,3, 17-24,2010
2010 M. S. Dababneh and N. Y. Ayoub,"Magnetic Viscosity of Frozen Co-Ferrofluid",Mu’tah Lil-Buhuth wad-Dirasat,25, 179-187. A refereed scientific journal, (Jordan),2010
2009 A. A. Obeidat, M. A. Gharaibeh, D. Al-Safadi, D. H. Al Samarh, M. K. H. Qaseer, and N. Y. Ayoub,"Anisotropic and Particle-Particle Interaction Effect in a One-Dimensional System of Magnetic Particles",J Supercon Nov Magn. ,22, 805-809,2009
2009 M K Alqadi, F Y Alzoubi, H M Al-Khateeb, and N Y Ayoub.,"Interaction between a point magnetic dipole and a high-temperature superconducting sphere",Physica,B 404, 1781-1784,2009
2008 Khitam Khasawinah, Abdel-Rauf El Ali (Al-Dairy), and Nabil Y. Ayoub,"Magnetization Measurements on Fe-Doped Y-based Superconductors",Abhath Al-Yarmouk (Basic Sciences & Engineering series),17, 203-212. A refereed scientific journal, (Jordan),2008
2008 M K Alqadi, F Y Alzoubi, H M Al-Khateeb, and N Y Ayoub,"Calculation of levitation force between small superconducting cylinder and magnetic ring in the critical state",J Supercon Nov Magn.,21, 415-419,2008
2008 M K Alqadi, F Y Alzoubi, H M Al-Khateeb, and N Y Ayoub,"The levitation force between a magnet and a small superconductor with cylindrical symmetry in the Meissner state",Physica,B 403, 3495-3497,2008
2008 H M Al-Khateeb, Borhan Albiss, Fedda Y Alzoubi, Mohammed K Alqadi, M K Hasan (Qaseer), and N Y Ayoub,"Levitation Force Between Monolayer of Magnetic Particles and Superconducting Plane in Meissner State",IEEE Transactions on Applied Superconductivity,20, 381-,2008
2008 H M Al-Khateeb, M K Alqadi, F Y Alzoubi, and N Y Ayoub,"Levitation Force Between a Small Magnet and Superconducting Sphere",J Supercon Nov Magn,21, 93-96,2008
2007 Akram A. Rousan, Nabil Y. Ayoub, Khetam Khasawinah,"Fractional Simple Harmonic Oscillator",Int. Jour. Applied Math.,20, 263-276,2007
2007 F. Y. Alzoubi, M. K. Alqadi, H. Al-Khateeb, and N. Y. Ayoub,"The Interaction Force Between a Permanent Magnet and a Superconducting Ring",IEEE Transactions on Applied Superconductivity,17, 3814-3818,2007
2007 M K Alqadi, H M Al-khateeb, F Y Alzoubi and N Y Ayoub,"Effects of Magnet Size and Geometry on Magnetic Levitation Force",Chin. Phys. Lett.,24, 2664-2666,2007
2007 H M Al-Khateeb, M K Alqadi, F Y Alzoubi and N Y Ayoub,"Angular Dependence of Lateral and Levitation Forces in Asymmetric Small Magnet/Superconducting Systems",Chin. Phys. Lett.,24, 2700-2703,2007
2007 H M Al-Khateeb, F Y Alzoubi, M K Alqadi, and N Y Ayoub,"Magnetic Levitation of a Small Magnetic Ring Above Cylindrical Superconductor Sample in the Meissner State",Turk. J. Phys.,31, 271-277,2007
2006 A. A. Rousan, N. Y. Ayoub, F. Y. Alzoubi, H. Khateeb, M. Alqadi, M.K. Hasan (Qaseer), and B. A. Albiss,"A Fractional LC-RC Circuit",Fractional Calculus and Applied Analysis,9, 33-41,2006
2006 M. K. Alqadi, F. Y. Alzoubi, H. Al-Khateeb, and N. Y. Ayoub,"Levitation Force Between a Short Magnetic Bar and a Superconducting Cylinder in the Meissner State",Modern Physics Letters B, 20, 1549-1557,2006
2006 F. Y. Alzoubi, H. Al-Khateeb, M. K. Alqadi, and N. Y. Ayoub,"Vibrations in Magnet/Superconductor Levitation Systems",Chin. Phys. Lett., 23, 1641-1644,2006
2005 F. Y. Alzoubi, H. M. Elkhateeb, M. K. Alqadi, and N. Y. Ayoub,"Angular dependence of levitation force on a small magnet above a superconducting cylinder in the Meissner state",Supercond. Sci. Technol.,18, 1329-1331,2005
2005 M.K. Hasan Qaseer,, M.K. Hasan Qaseer,, N. Y. Ayoub.,"Temperature Dependence of Vortex Flux Pinning in Polycrystalline YBa2Cu4O8.",J. Alloys and Compounds,387 (2005), 44-46.,2005
2004 M.S. Dababneh,, N. Y. Ayoub.,"Time Dependence Magnetization of Substituted Barium Hexaferrite Fine Particles.",Dirasat,31B (2004) . A refereed scientific journal,,Jordan,2004
2004 M.K. Hasan Qaseer,, K. A. Azez,, N. Y. Ayoub.,"Disappearance of the Reentrant Spin Glass Phase in Fe0.7-xRxAl0.3(R = Mn OR V)",Acta Physica Slovaca,,54, No. 5 (2004), 1-5.,2004
1999 R. Mueller,, R. Hiergeist,, H. Steinmetz,, N. Y. Ayoub,, M. Fujisaki,, W. Schueppel.,"Barium hexaferrite Ferrofluids - Preparation and Physical Properties.",J. Magn. Magn.Mat,201 (1999) 34-37.,1999
1999 N. Y. Ayoub,, R. Mueller,, R. Hiergeist,, W. Schueppel.,"A Comparative Magnetic Study of the DC Remanence for 15 the Frozen Substituted Ba-Hexaferrite Ferrofluid and Some Conventional Frozen Ferrofluids.",J. Magn. Magn. Mat.,201 (1999) 119-122.,1999
1995 N .M. Laham,, A.M. Khateeb,, A.K. Abdallah,, I. M. Odeh,, M.S. Dababneh,"Finite Bandwidth Effects on Raman Backscattering in an lnhomogeneous Plasma",Jpn. Jour. of Appl. Phys. 34, (1995) 297-301,1995
1995 N. M. Laham,, A. M. Khateeb,, N. Y. Ayoub.,"The Effects of Self-Generated Magnetic Fields on the Convective Raman Instability.",AJSE,20 (1995) 167. A Refereed Scientific Journal,,(Dhahran) Saudi Arabia,1995
1995 M.S. Dababneh,, N. Y. Ayoub.,"The Effect of Oleic Acid on the Stability of Magnetite Ferrofluid.",IEEE Trans.,on Mag. 31 (1995) 4178-4180.,1995
1994 N. M .Laham,, J.B. Kim,, X.Xiong, T.J.Mcllarth, T.B. Lucatorto,, N.Y. Ayoub,"Study of Ca Autoionization Levels Using Multiphoton Techniques",Dirasat,21B (1994) 27. A refereed scientific journal, ( Jordan ).,1994
1994 N. M. Laham,, A.M. Khateeb,, N.Y.Ayoub,"Convective Amplification of Stimulated Raman Backscattering in Inhomogeneous Plasmas",AJSE,19 (1994) 175-181. A Refereed Scientific Journal,,(Dhahran) Saudi Arabia,1994
1994 A.K. Abdallah,, I. Odeh,, M. Dababneh,, N.M. Laham,, N.Y. Ayoub,"The Effect of Magnetostatic Dipole-Dipole Interactions on the Initial Susceptibility of a Two Dimensional Fine Particle Assembly",Mu’tah J. Res. and St.,9 (1994) 225. A refereed scientific journal,,1994
1994 I. Odeh,, A.K. Abdallah,, M.S. Dababneh,, N.M.Laham, N.Y. Ayoub,"The Effect of the Direction of the Magnetic Field on the Ordering Temperature for a Textured Dilute Ferrofluid",AJSE,19 (1994) 697-705. A Refereed Scientific Journal,,(Dhahran) Saudi Arabia,1994
1994 M. Dababneh,, H. Aref,, N. Y. Ayoub,, A. K. Abdallah,, I. Odeh.,"Stability of Fe3O4 Ferrofluid in Gravitational and Uniform Magnetic Fields.",Dirasat,21B(4) (1994) 181-204. A Refereed Scientific Journal,1994
1993 M.S . Dababneh,, N.Y. Ayoub,, I. Odeh,, N. M. Laham,"Viscosity, Resistivity and Surface Tension Measurements of Fe3O4 Ferrofluid",J. Magn. Magn. Mat.,125 (1993) 34-38.,1993
1993 N Y. Ayoub,, A. Shamoun,, A.K. Abdallah,, M. S. Dababneh,, I.M. Odeh,, N.M. Laham,"The Magnetic Properties of a Uniform Size Fine Particle Ferrofluid in the Dimer model in Three Dimensions",J. Magn. Magn. Mat.,127 (1993) 75-82.,1993
1992 M. Dababneh,, I. Odeh,, A.El-Ali, N.Y.Ayoub,"Comparison between Magnetization Obtained from Faraday Balance and VSM or SQUID",IEEE Trans. on Mag. 28 (1992) 2453,1992
1992 N .Y. Ayoub,"The Effect of Annealing Temperature on Superconductivity in the Electron-Doped Compounds Nd1.85 Ce0.15 Cu1-z ZnzO4-y",Dirasat,19B(3) (1992) 279-290. A refereed scientific journal, ( Jordan ).,1992
1991 N .Y. Ayoub.,"The Effect of Dipolar Interactions on the Susceptibility Peaks in a Solidified Ferrofluid",Jpn. Jour. of Appl. Phys. 30,,1991
1991 N .Y. Ayoub,"Dependence of Susceptibility on Low Magnetic Fields for the Electron-Doped Superconductors Ln2-xMxCuO4-y(Ln=Pr,Nd,Sm;M= Ce, Th)",J.Magn. Magn. Mat.,,99 (1991)239-242.,1991
1991 N. Y. Ayoub,, I. Khalil,, M.S. Dababneh,, A.K. Adballah,, I. Odeh,, M.B. Maple,"The Effect of Concentration on Some Superconducting Properties of Small Grain Systems of GdBa2Cu3O7 Embedded in Solid Epoxy",J. Phys. Cond. Matter 3(1991)9467-9474.,1991
1990 N.Y.Ayoub, J.T.Markert, E.A.Early, C.L. Seaman,, M. B. Maple.,"A Comparative Compositional Study of Ln2-xMxCuO4-y Electron-Doped Superconductors.",Physica C 165 (1990) 469,1990
1990 N. Y. Ayoub,, C. C. Almasan,, E. A. Elarly, J.T. Markert,, C. L. Seaman,, M.B. Maple,"The Effect of Indium Substitution for Copper on the Superconductivity of the Electron-Doped system : Nd-Ce-Cu-O",Physica C 170 (1990) 211,1990
1990 M .B. Maple,, N. Y. Ayoub,, J. Beille,, T. Bjornholm,, Y. Dalichaouch,, E. A. Early,, S. Ghamaty,, B. W. Lee,, J. T. Markert,, J. J. Neumeier,, G. Nieva,, L. M. Paulius,, l.K.Schuller, C.L. Seaman,, P.K.Tsai.,"Experiments on Electron- and Hole -Doped High Tc Copper Oxide Superconductors",World Scientific,,Advances in High Temperature Supercinductivity Series, Vol 25, Transport properties of Superconductors.P.536,Singapore,1990
1989 N.Y. Ayoub,, R.Y. Abdelal,, R.W. Chantrell,, J. Popplewell, K. O`Grady,"Susceptibility Peaks in a Non-Interacting Fine Particle System.",J.of Mag.and Mag. Mat.79,(1989)81.,1989
1989 N.Y.Ayoub, B.Abu-Aisheh, M.Dababneh, N. Laham, J. Popplewell,"The Effect of Texture on Curie-Weiss Behaviour in a Frozen Ferrofluid",IEEE Trans. on Mag.25 (1989) 3860.,1989
1989 C.L. Seaman,, N.Y.Ayoub, T.Bjornholm, E.A. Early,, S. Ghamaty,, B. W. Lee,, J. T. Markert,, J. J. Neumeier,, P. K. Tsai, M. B. Maple.,"Magnetic and Superconducting Properties of the Electron-Doped Compounds Ln2-xMxCuO4- ( Ln = Pr, Nd ,Sm ,Eu ,Gd : M = Ce,Th ).",Physica C 160 (1989) 391.,1989
1989 E. A . Early, N.Y. Ayoub,, J. Beille,, J.T. Markert, M.B. Maple,"Sm1.85Th0.15CuO4-y :A New Electron -Doped Copper Oxide Superconductor",Physica C 160 (1989) 320,1989
1989 M. B. Maple,, N. Y. Ayoub, T.Bjornholm, E. A. Early,, S. Ghamaty,, B. W. Lee,, J.T. Markert,, J.J. Neumeier, C.L. Seaman,"Magnetism, Specific Heat,and Pressure- Dependent Resistivity of the Electron-Doped Compounds Ln2-xMxCuO4-y . (Ln= Pr, Nd, Sm, Eu,Gd ; M = Ce,Th).",Physica C 162-164 (1989) 296,1989
1989 J.T.Markert, N. Y. Ayoub,, T.Bjornholm, E. A.Early,, C.L. Seaman,, P.K.Tsai, M. B. Maple.,"Processing and Superconducting Properties of the Electron-Doped Compounds Ln2-xMxCuO4-y (Ln = Pr, Nd, Sm, Eu, Gd; M= Ce, Th).",Physica C 162-164 (1989) 957,1989
1988 N.Y.Ayoub, B. Abu-Aisheh,, N.Laham, M. Dababneh,, J. Popplewell, k.O`Grady,"Particle Interaction Effects in Ferrofluids",J. de Phys. Colloq. C8,49 (1988)1841.,1988
1988 M. El-Hilo,, K. O`Grady,, J. Popplewell, R.W. Chantrell, N.Y. Ayoub.,"Susceptibility Peaks in a Fine Particle System",J.de Phys. Colloq. C8,49 (1988)1835,1988
1988 J.Popplewell, B.Abu-Aisheh, N.Y.Ayoub,"The Effect of Particle Interactions on Curie-Weiss Behaviour in Ferrofluids",J. of Appl. Phys. 64 (10),(1988) 5852,1988
1988 N.Y. Ayoub,, M. El-Hilo,, N. Laham, R.W. Chantrell, J. Popplewell,"The Effect of Various Particle Size Distributions on the Initial Susceptibility of a Textured Fine Particle System.",J. Phys. D: Appl.Phys. 21, (1988) 129,1988
1987 N.Ayoub, A.Bradbury, R.W.Chantrell, J. Popplewell.,"A `Pair Orientation` Model of the Magnetoelectric Anisotropy in ferrofluids",J.of Mag.and Mag. Mat.65,(1987)185.,1987
1987 N Ayoub,, N.Laham, J.Popplewell, R.W. Chantrell,"The Initial Susceptibility of a textured Fine Particle System",J.of Appl.Phys. 61(8) , (1987)3305,1987
1987 N.Y.Ayoub, M. El-Hilo,, N.Laham, M. Dababneh, J. Popplewell,"The Effect of Particle Size on the Magnetic Initial Susceptibility of a Textured Fine Particle System",Dirasat 14(1),(1987)225. A Refereed Scientific,1987
1986 N.Y.Ayoub,"Effect of High-Lying States on the Ground State and Few Low-Lying Excited O+ Energy Levels of Some Closed- Shell Nuclei",J. of Phys. G: Nucl. Phys.12,(1986)859.,1986
1985 N.Y.Ayoub, R. W. Chantrell, K.O`Grady, M.A. Kobeissi, J.Popplewell,"Magnetic and Mossbauer Studies of Finely Dispersed Iron Particles",J.of Phys. F: Metal Phys. 15, (1985) 2229,1985
1985 R.W. Chantrell,, N.Y.Ayoub, J. Popplewell,"The Low Field Susceptibility of a textured Superparamagnetic System",J.of Mag. and Mag. Mat.53, (1985)199.,1985
1979 N.Y.Ayoub, H.A. Mavromatis,"Fourth Order High Lying Contributions to the Ground State Energies of Some Closed-Shell Nuclei",Nucl.Phys. A323 (1979) 125-146.,1979
1977 N.Y.Ayoub, H.A.Mavromatis,"Sum Rules Involving Coefficients of Fractional Parentage",Nucl. Phys.A282 (1977)153,1977