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International Journals |
|
Year |
Content |
| 2019 | Ramazan Koç & Seda Özkeçeci (2019) The fabrication of exfoliated graphite sheet-based air cathodes and gel electrolyte for metal-air batteries, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 41:14, 1780-1790, DOI: 10.1080/15567036.2018.1549154 |
| 2019 | Journal / Book Name: Symmetry No/Edition: 2019, 11, 1082 Authors: Nazife Ozdes Koca , Abeer Al-Siyabi, Mehmet Koca and Ramazan Koc Crystallography |
| 2018 | Mehmet Koca, Nazife Ozdes Koca, Abeer Al-Siyabia and Ramazan Koc, Explicit construction of the Voronoi and Delaunay cells of W(An) and W(Dn) lattices and their facets, Acta Crystallography: Foundations and Advances, A74 (2018) |
| 2015 | Koc, Ramazan; Olgar, Eser; Mutaf, Haydar A Novel Approach to Solve Quasiexactly Solvable Pauli Equation ADVANCES IN MATHEMATICAL PHYSICS Article Number: 304093 Published: 2015 |
| 2015 | Koca, Mehmet; Koca, Nazife Ozdes; Koc, Ramazan Group-theoretical analysis of aperiodic tilings from projections of higher-dimensional lattices B-n ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES Volume: 71 Pages: 175-185 Part: 2 Published: MAR 2015 |
| 2014 | Mehmet Koca, Nazife Ö. Koca and Ramazan Koç, “Affine coxeter group Wa(A4), quaternions, and decagonal quasicrystals”, International Journal of Geometric Methods in Modern Physics, Vol. 11, No. 4 (2014) 1450031 (23 pages). |
| 2014 | Koca, Nazife O.; Koca, Mehmet; Koc, Ramazan Twelvefold symmetric quasicrystallography from the lattices F-4, B-6 and E-6 ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES Volume: 70 Pages: 605-615 Part: 6 Published: NOV 2014 |
| 2013 | Koc Ramazan, Haciibrahimoglu M. Yakup, Koca Mehmet , "Coxeter groups A(4), B-4 and D-4 for two-qubit systems ", PRAMANA-JOURNAL OF PHYSICS ,Volume: 81 Issue: 2 Pages: 247-260 AUG 2013 |
| 2011 | Koc Ramazan; Tutunculer Hayriye; Olgar Eser, Reply to the Comment on 'A solution of the bosonic and algebraic Hamiltonians by using an AIM' |
| 2010 | Koca Mehmet; Koca Nazife Ozdes; Koc Ramazan, Catalan solids derived from three-dimensional-root systems and quaternions |
| 2010 | Koc Ramazan; Tutunculer Hayriye; Olgar Eser, A solution of the bosonic and algebraic Hamiltonians by using an AIM |
| 2010 | Koc Ramazan; Sayin Seda, Remarks on the solution of the position-dependent mass Schrodinger equation |
| 2008 | Koc Ramazan; Ozer Okan; Tutunculer Hayriye, Solution of the matrix Hamiltonians via the asymptotic iteration method |
| 2008 | Olgar Eser; Koc Ramazan; Tuetuencueler Hayriye, The exact solution of the s-wave Klein-Gordon equation for the generalized Hulthen potential by the asymptotic iteration method |
| 2007 | Koca Mehmet; Al-Ajmi Mudhahir; Koc Ramazan, Group theoretical analysis of 600-cell and 120-cell 4D polytopes with quaternions |
| 2007 | Koca Mehmet; Koc Ramazan; Koca Nazife O., The Chevalley group G(2)(2) of order 12096 and the octonionic root system of E-7 |
| 2007 | Koc R.; Oezer O.; Tuetuencueler H.; et al., Solution of spin-boson systems in one and two-dimensional geometry via the asymptotic iteration method |
| 2007 | Koca Mehmet; Al-Ajmi Mudhahir; Koc Ramazan, Polyhedra obtained from Coxeter groups and quaternions |
| 2006 | Koca M; Koc R; Al-Barwani M; et al., Maximal subgroups of the Coxeter group W(H-4) and quaternions |
| 2006 | Olgar E; Koc R; Tutunculer H, Bound states of the S-wave equation with equal scalar and vector standard Eckart potential |
| 2006 | Koca M; Al-Barwani M; Koc R, Quaternionic root systems and subgroups of the Aut(F-4) |
| 2006 | Koca Mehmet; Al-Ajmi Mudhahir; Koc Ramazan, Quaternionic representation of the Coxeter group W(H(4)) and the polyhedra |
| 2006 | Koc R; Korcuk E; Tutunculer H, A solution of the Txt Jahn-Teller Hamiltonian with the rotating wave approximation |
| 2005 | Spectrum of the relativistic particles in various potentials |
| 2005 | Koc R; Tutunculer H; Koca M; et al., Algebraic treatments of the problems of the spin-1/2 particles in the one- and two-dimensional geometry: A systematic study |
| 2005 | Koc R; Koca M; Sahinoglu G, Scattering in abrupt heterostructures using a position dependent mass Hamiltonian |
| 2004 | Hayriye Tütüncüler and Ramazan Koç, “Differential realizations of the two-mode bosonic and fermionic Hamiltonians: A unified Approach”, PRAMANA J. Phys. 62, (2004) 993-1005. |
| 2004 | Ramazan Koç, Hayriye Tütüncüler and Eser Olğar, “Exactly and Quasi-Exactly Solvable two-mode Bosonic Hamiltonians” Chinese J. Physics, 42, (2004), 575-584. |
| 2004 | Ramazan Koç, Hayriye Tütüncüler and Eser Olgar, “Spectra of Interacting Electrons in a Quantum Dot: Quasi-Exact Solution, J. Korean Phys. Soc., Vol. 45, No. 4, October 2004, pp. 837-840. |
| 2004 | Hayriye Tütüncüler, Ramazan Koç, Eser Olğar, “Solution of a Hamiltonian of quantum dots with Rashba Coupling: quasi-exact solution” J. Phys. A: Math. Gen. 37 (2004) 11431–11438. |
| 2004 | Koc R; Tutunculer H; Koca M, Solution of two-mode bosonic Hamiltonians and related physical systems |
| 2003 | Koca M, Koç R, and Tütüncüler H, “Explicit Breaking SO(3) with Higgs field in the representations L=2 and L=3”, Int. Mod. Phys. A, 18, (2003) 4817-4827. |
| 2003 | Koç R. and Koca M. “A systematic study on the exact solution of the position dependent mass Schrödinger equation” J. Phys. A: Math. Gen. 36, (2003) 8105-8112. |
| 2003 | Mehmet Koca, Ramazan Koç and Muataz Al-Barwani, “Quaternionic roots of SO(8), SO(9), F4 and the related Weyl groups” J. Math. Phys. 44, 7, (2003) 3123-3140. |
| 2003 | Ramazan Koç, Hayriye Tütüncüler, Mehmet Koca and Eser Körcük, “Quasi-Exact solution of the Generalized EÄe Jahn-Teller Hamiltonian”, Prog. Theor. Phys. 110, 3, (2003) 399-405. |
| 2003 | Ramazan Koç and Hayriye Tütüncüler, “Exact solution of position dependent mass Schrödinger equation by SUSYQM”, Ann. Phys. (Leipzig) 12, (2003) 684-691. |
| 2002 | Koç R, Koca M , Körcük E., “A new class of quasi-exactly solvable potentials with a position dependent mass” J. Phys. A: Math. Gen. 35, (2002) L1-L4. |
| 2002 | Koç R. Koca M. Tütüncüler H., “Quasi-Exact Solution of the Rabi Hamiltonian” J. Phys. A: Math. Gen. 35 (2002) 9425-9430. |
| 2001 | Koca M, Koç R, Al-Barwani M., “Non-Crystallographic Coxeter Group H4 in E8” J. Phys. A: Math. Gen. 34, (2001) 11201–11213. |
| 2000 | Koç R, Tütüncüler H, Koca M “A new Approach to analyse Hx(2h+g) Jahn-Teller System for C60” Eur. Phys. J. D 12, (2000), 467-472. |
| 1997 | Koca M, Koç R, Al-Barwani M., “Breaking SO(3) into its subgroups by Higgs mechanism” J. Phys. A: Math. Gen. 30, (1997) 2109-2125. |
| 1994 | Koca M, Koç R., “Automorphism groups of pure integral octonions” J. Phys. A: Math. Gen. 27, (1994) 2429-2442. |
Communications Presented and Published In a Book In The International Scientific Meetings |
|
Year |
Content |
| 2012 | Ramazan Koç, Mehmet Koca and Nazife O. Koca, “A mathematica Program for projecting Lattice vectors on the Coxeter Plane”, A workshop on Groups and Geometries, December 17-21, 2012, Indian Statistical Institute, Bangalore, India. |
| 2005 | Koc R, Development of an approximate method for quantum optical models and their pseudo-Hermicity |
| 2004 | Eser Körcük and Ramazan Koç, “Symmetries of the Jahn–Teller Systems and Their Solvability”, Proc. of Institute of Math. of NAS of Ukraine, 50, 2 , (2004), 829–834. |
| 2004 | Hayriye Tütüncüler, Ramazan Koç and Bora U. Türkdönmez, “Group Theoretical Treatment of the Jahn-Teller Systems:Tx(e+t) Coupling”, AIP Conference Proceeding 729, GLOBAL ANALYSIS AND APPLIED MATHEMATICS: International Workshop on Global Analysis, Ed. By Taş K, Krupka D, Krupkova O and Baleanu D, 2004, 381-388. |
| 2004 | Derya Haydargil and Ramazan Koç, “Finite Group Invariance and Solution of Jaynes-Cummings Hamiltonian” AIP Conference Proceeding 729, GLOBAL ANALYSIS AND APPLIED MATHEMATICS: International Workshop on Global Analysis, Ed. By Taş K, Krupka D, Krupkova O and Baleanu D, 2004, 185-192. |
| 2001 | Koca M., Koç R., Tütüncüler H., “Breaking a Gauged SO(3) Symmetry by Higgs Fields in j = 3 Representation” International Europhysics Conference on High Energy Physics 12-18 July(2001), Budapest, Hungary |
| 1994 | Koca M. Koç R, “Automorphism Groups of Discrete Octonions” VI. Regional Conference in Mathematical Physics, 5-11 Feb. 1994, İslamabad Pakistan |
National Journals |
|
Year |
Content |
| 2019 | Journal / Book Name: Sultan Qaboos University Journal for Science [SQUJS] No/Edition: 24(1), 57-70 Authors: Mehmet Koca, Ramazan Koc, Nazife O.Koca Octonions |
| 2014 | Ibrahim N. Qader and Ramazan Koç, “Simulation of Controlled Physical Quantum Gates by using Mathematica”, IJCSNS International Journal of Computer Science and Network Security, VOL.14 No.1, January 2014 |
| 2014 | M. Kourmo, H.M. Ahmadov, Ramazan Koç,”On partition of the excitation energy between the fission fragments in spontaneous fission of 252Cf”, Journal of Nuclear Sciences (JNS), (2014), 1,1 6-12. |
| 2011 | Mehmet Koca, Nazife Ö. Koca and Ramazan Koç, “Quasi Regular Polyhedra and Their Duals with Coxeter Symmetries Represented by Quaternions - I”, African Physical Review (2011) 6:0006, 41-52 |
| 2008 | Mehmet Koca, Mudhahir Al-Ajmi and Ramazan Koç, “Regular and Semi-Regular 4D-Polytopes of the Coxeter-Weyl Group W(F4) and Quaternions”, African Physical Review (2008) 2:0009, 78-90 |
| 2008 | Mehmet Koca, Mudhahir Al-Ajmi and Ramazan Koç, “Regular and Semi-Regular 4D-Polytopes of the Coxeter-Weyl Group W(SO(9)) and Quaternions”, African Physical Review (2008) 2:0009, 91-105 |
| 2005 | Ramazan Koç and Mehmet Koca, “Dirac Sextic Oscillator in the Constant Magnetic Field” Tr. J. Phys. 29 (2005) 201-205. |
| 2004 | Ramazan Koç and Derya Haydargil, “Solution of the Schrödinger equation with one and two dimensional double-well potentials”, Tr. J. Phys. 28, (2004) 161-167 |
| 2004 | Hayriye Tütüncüler and Ramazan Koç, “Realizations of the osp(2,1) superalgebra and related physical systems”, Tr. J. Phys. 28, (2004) 145-153. |
| 1998 | Koç R, Tütüncüler H., “Symmetry of C60 and a force constant model for vibrational modes” Tr. J. Phys. 22, (1998) 123-129. |
| 1998 | Koca M., Koca Ö N., Koç R., “ Quaternionic Roots of E8 related Coxeter Graphs and Quasi Crystals” Tr. J. Phys. 22, (1998) 421-435. |
| 1995 | Koca M and Koç R., “Octonions and the Group of Order 1344” Tr. J. Phys. 19, (1995) 304-319. |
Other Publications |
|
Year |
Content |
| 2002 | Ramazan Koç and Hayriye Tütüncüler, “A systematic study on the QES potentials”, Tr. Physical Society, 21th Physics Conference, 11-14 Sept. (2002), Isparta, Turkey (Abstract, p15). |
| 2002 | Hayriye Tütüncüler and Ramazan Koç, “Group invariance of the Jahn-Teller systems”, Tr. Physical Society, 21th Physics Conference, 11-14 Sept. (2002), Isparta, Turkey (Abstract, p34). |
| 2002 | Eser Körcük and Ramazan Koç, “QES of the Exb Jahn-Teller systems”, Tr. Physical Society, 21th Physics Conference, 11-14 Sept. (2002), Isparta, Turkey (Abstract, p43). |
| 2002 | Ramazan Koç, Hayriye Tütüncüler and Eser Körcük, “Exactly solvable position dependent mass Schrödinger equation”, Tr. Physical Society, 21th Physics Conference, 11-14 Sept. (2002), Isparta, Turkey (Abstract, p127). |
| 2002 | Ramazan Koç and Mehmet Koca "A Unified Treatment of Quasi-Exactly Solvable Potentials I", http://arxiv.org/abs/math-ph/0505002, unpublished (2002). |
| 2002 | Ramazan Koç and Mehmet Koca "A Unified Treatment of Quasi-Exactly Solvable Potentials II", http://arxiv.org/abs/math-ph/0505004, unpublished (2002). |
| 1996 | Koç R., Ozkan G., Tütüncüler H. “A laboratory Manual of Vibrations and Waves” Gaziantep 1996. |
| 1995 | Koç R, “Automorphism Group of Pure Integral Octonions and Applications in Physics” PhD. Thesis, Çukurova University, Turkey, 1995. |
| 1992 | Koç R, “Ultrasonic Tecniques and Equipment for Material Testing”, MSc. Thesis, Gaziantep University, Turkey, 1992. |
