Bilkent Magnetotransport & Spintronics Research Group

Publications

  1. P. M. Krishna, A. Siddiki, K. Guven and T. Hakioglu, "Local current distributions in large quantum dots (QDs): a self-consistent screening model", Physica E (2007).
  2. T. Hakio\u{g}lu, A. Siddiki, S. Mukhopadhyay, P.M.K. Ravuri and C. Sanli, "Electronic Mach-Zehnder Interferometry under spin-orbit coupling", underpreparation.
  3. D. Eksi, E. Cicek, S. Aktas, A. Siddiki and T. Hakioglu, "The effect of the donor distribution on the electron velocity in incompressible strips", submitted, Phys. Rev. B, 2006.
  4. K. Guven, A. Siddiki, P. M. Krishna and T. Hakioglu, "A microscopic Coulomb interaction model as a origin of Drag effect", Physica E (2007).
  5. T. Hakioglu and S. Mukhopadhyay, "Conductance oscillations induced by spin-orbit field in Aharonov-Bohm Quantum Dots", Phys. Rev. B (2007).
  6. T. Hakioglu and M. Ali Can, "Spin-orbit coupling and complex electron-hole ordering", 2007, under preparation.
  7. T. Hakioglu, Adnan Tegmen and Bengu Demircioglu, "hbar-independent universality of the Quantum-Classical canonical Transformations", Phys. Lett. A 360, [501-506], (2007) [also quant-ph/0608180].
  8. T. Hakioglu, "Yogun Madde Fiziginde Alan Kuramsal Kavramlar ve Yontemler (Eng:Field Theoretical Concepts and Methods in Condensed Matter Physics)" (language: Turkish, , in preparation, expected date of publication: August 2009)

  9. T. Hakioglu and A.S. Shumovsky, "Quantum Optics and Spectroscopy of Solids: Concepts and Advances" (Kluwer, Amsterdam, Jan. 1997) 248

  10. T. Hakioglu and M. §ahin, "Excitonic Condensation under Spin-Orbit coupling and BEC-BCS Crossover", Phys.Rev.Lett. 98, 166405, (2007) [also cond-mat/0701751].

  11. T. Hakioglu, K. Savran, H. Sevincli and E. Me§e, "Non Markovian dehonerence: A ctitique of the two-level approximation", Journal of Magnetism and Magnetic Material, 300, e579 (2005).

  12. Kerim Savran, T. Hakioglu, E. Me§e and H. Sevingli, "The relevant time scale of decoherence is Gaussian: A critique of the Two-Level Approximation", J. Phys. C, 18, 345 (2006).

  13. T. Hakioglu and Kerim Savran, "The role of the environmental spectrum in the decoherence and dephasing of multilevel systems", Phys. Rev., B 71, 115115 (2005).

  14. T. Hakioglu, Kerim Savran and E. Me§e, "Questioning the validity of the two-level approximation", Proceedings of the Conference Macroscopic Quantum Coherence and Computing, Kluwer Publications, , (2004). Eds. P. Silvestrini, P. Delsing, C. Granata, Yu. Pashkin and B. Ruggiero

  15. I.O. Kulik , T. Hakioglu and A. Barone, "Quantum Computational Gates with Radiation Free Couplings", Europ. J. Phys., B 30, 219 (2002). also: [cond-mat/0203313]

  16. T. Hakioglu, J. Anderson, F. Wellstood, "Single and double bit quantum gates by manipulating degeneracy", Phys.Rev., B 66, 115324 (2002). also: [cond-mat/0109100]

  17. T. Hakioglu, "Nonlocal, noncommutative picture in quantum mechanics and distinguished canonical maps", Physica Scripta, 66, 345-353 (2002). [hep-th/0108125]

  18. T. Hakioglu and A. Dragt, "The Moyal-Lie theory of phase space quantum mechanics [quant-ph/0108081]", J. Phys., A, 6603 (2001).

  19. T. Hakioglu, "Extended covariance under nonlinear canonical transformations in Weyl quantization", ANL-HEP-PR-00-119, , [quant-ph/0011076] (2001). non-refereed

  20. T. Hakioglu, "The polar representation of the Wigner function and its applications in linear optics and engineering", Feature issue on phase space in optics, J. Opt. Soc. Am., A17, 2411 (Dec. 2000).

  21. T. Hakioglu and E. Tepedelenlioglu, "Action angle Wigner function: A discrete and algebraic phase space approach", J. Phys., A 33, 6357 (2000).

  22. T. Hakioglu and K.B. Wolf, "Canonical Kravchuk basis for discrete quantum mechanics", J. Phys., A 33, 3313 (2000).

  23. L. Barker, Q. Candan, T. Hakioglu, A. Kutay and H. Ozakta§, "The discrete harmonic oscillator, Harper's equation and the discrete fractional Fourier transform", J. Phys., A33, 2209 (2000).

  24. T. Hakioglu, V.A. Ivanov and M. Ye Zhuravlev, "SU(2)-path integral investigation of Holstein Dimer", Physica, A, 172 (2000).

  25. T. Hakioglu, "Linear canonical transformations and quantum phase: A unified canonical and algebraic approach", J. Phys., A32, 4111 (1999).

  26. V.A. Ivanov, M. Ye. Zhuravlev, V.S. Yarunin and T. Hakioglu, "Exactly soluble coherent state path integral with non-polynomial action", J. Phys., A32, L361 (1999).

  27. T. Hakioglu, "Operational Approach in the weak field measurement of polarization fluctuations", Phys. Rev., A 59, 1586 (1999).

  28. V.A. Ivanov, E.A. Ugolkova, M.Ye. Zhuravlev and T. Hakioglu, "Electronic Structure, Insulator-Metal Transition and Superconductivity in ? — ET2X Salts", Adv. Mater. Opt. Electron., 8, 53 (1998).

  29. T. Hakioglu and M. Ye. Zhuravlev, "Dynamical properties of the two dimensional Holstein-Hubbard model in the T = 0 normal state: A fluctuation based effective moment approach", Phys. Rev., B 58, 3777 (1998).

  30. T. Hakioglu, "Finite dimensional Schwinger basis, deformed symmetries, Wigner function and an algebraic approach to quantum phase", J. Phys., A 31, 6975 (1998).

  31. T. Hakioglu, "Admissible cyclic representations and an algebraic approach to quantum phase", J. Phys., A 31, 707 (1998).

  32. T. Hakioglu and H. Tureci, "Correlated Phonons and Tc dependent dynamical phonon anomalies", Phys. Rev., B 56, 11174 (1997).

  33. T. Hakioglu, M. Arik, "Quantum Stereographic Projection and the Homo-graphic Oscillator", Phys. Rev., A 54, 52 (1996).

  34. T. Hakioglu, V. A. Ivanov, "Isotope Effect in Borocarbides and Boronitrides", Doga Fizik/TUBITAK, 22, 863 (1998).

  35. T. Hakioglu, V.A. Ivanov, A.S. Shumovsky and B. Tanatar, "Phonon Squeezing via Correlations in the Superconducting Electron-Phonon Interaction", Phys. Rev., B 51, 15363 (1995).

  36. T. Hakioglu, V.A. Ivanov, A.S. Shumovsky and B. Tanatar, "Phonon Squeezing in the Superconductivity of Borocarbides", Physica, C 235-240, 2343 (1994).

  37. T. Hakioglu, V.A. Ivanov, A.S. Shumovsky and B. Tanatar, "Phonon Squeezing in Superconducting Borocarbides", Physica, C 234, 167 (1994).

  38. T. Hakioglu, A.S. Shumovsky and O. Aytur, "Operational Approach to Quantum Limits on Polarization Measurement", Phys. Lett., A 194, 304 (1994).

  39. B. Tanatar and T. Hakioglu, "Possibility of Superconductivity of two-dimensional Electrons on the Surface of Liquid Helium Films", Sol. State Comm., 88, 115 (1993).

  40. T. Hakioglu, "What can We Learn About Hadronic Intermittency by Studying Fractal Sets?", Phys. Rev, D 45, 3079 (1992).

  41. P. Carruthers and T. Hakioglu, "The Power Spectrum of Hadronic Rapidity Distributions", Phys. Rev., D 45, 4046 (1992).

  42. T. Hakioglu and M.D. Scadron, "Vector Meson Dominance, One Loop Quark Graphs and the Chiral Limit", Phys. Rev., D 43, 2439 (1991).

  43. T. Hakioglu and M.S. Scadron, "Field Theory Calculations of the Pion Mass at the One-Loop Level", Phys. Rev., D 42, 941 (1990).

  44. T. Hakioglu and M.D. Scadron, "Theory of Low Dimensional Peierls Transitions for Metal-Insulators and Superconductors", Re. of Sol. St. Sci., 1, 337 (1987).

  45. T. Hakioglu and K.B. Wolf, "Canonical Kravchuk basis for discrete quantum mechanics", in Developments of the mathematical ideas of Mykhailo Kravchuk, ed. by N. Virchenko, I. Katchanovski, V. Haidey, R. Andrushkiw and R. Voronka (Press of The National Technical University of Ukraine and Shevchenko Scientific Society (USA), 2004, New York, ) pp. 177-187.

  46. K. Savran and T. Hakioglu, "Environmental spectrum in decoherence and dephasing of realistic systems", in Proceedings of the International Symposium Mesoscopic Superconductivity and Spintronics: In the light of quantum computation, ed. by Hideaki Takayanagi (World Scientific Publishers, 2004, ) PP- •

  47. T. Hakioglu, "Interaction of two-level atomic system with a single-mode Radiation Field", in Proceedings of the Summer School on Quantum Optics and Spectroscopy of Solids, ed. by T. Hakioglu and A.S. Shumovsky (Kluwer Academic Publishers, January 1997, ) pp. 121-138.

  48. T. Hakioglu, V.A. Ivanov, A.S. Shumovsky and B. Tanatar, "Phonon Squeezing in Superconducting Borocarbides", in Proceedings of the International Conference on Materials and Mechanisms M2S — HTSC: High Temperature Superconductivity, Grenoble July 5-9 1994, ed. by P. Wyder (Elsevier, 1995, 1-5) pp.

  49. "T. Hakioglu", in Hadronic Intermittency and Correlation Distributions from a Chaotic Map, ed. by Proceedings of the Santa Fe Workshop (F. Cooper, R.C. Hwa and I. Sarcevic, World Scientific, Singapore) pp. March 1990. 353-361

  50. T. Hakioglu and M.D. Scadron, "Linear Sigma Model in One-Loop order", in Proceedings of the 25. International High Energy Physics Conference, ed. by (World Scientific, Singapore, 1990) pp. 775.

  51. T. Hakioglu and M.D. Scadron, "Theory of Low Dimensional Peierls Transitions for Metal-Insulators an Superconductors", in Proceedings of the Drexel International Conference on High Temperature Superconductivity, ed. by S.M. Bose and S.D. Tyagi (World Scientific, Singapore, 1987) pp. 191-196.

Talks and Presentations


Invited talks


  1. "Short time non Markovian Decoherence: Criticizing the Two-Level Approximation", Moscow International Symposium on Magnetism (MIS M) Dedicated to the 250 'th anniversary of the Lomonosov Moscow State University, Moscow State University/ Moscow/Russia, June 25-30 2005.

  2. "Non-perturbative ground state properties of the 2-D Holstein-Hubbard model", Andronikashvili School and Workshop on Modern Problems in Condensed Matter Physics, E. Andronikashvili Institute of Physics, Georgian academy of Sciences/Tbilisi/Georgia, 15 October-23 October 2000.

  3. "Five lectures on Continuous and discrete quantum phase space: A unified approach a la canonicality and covariance", Research semester on current problems in Quantum Field Theory, Feza Giirsey Institute, Kandilli, Istanbul, June 16-21 2000.

  4. "Quantum Mechanics on the discrete phase space ", Mathematical Physics IX, International Conference, Feza Giirsey Institute, Kandilli, Istanbul. Aug.9-15 1999

  5. "Wigner function in discrete quantum mechanics ", Optical systems in phase space and their Wigner functions, International Workshop, Centro Internacional de Ciencias/Universidad Nacional Autonoma de Mexico. July 1999

  6. "A Canonical and Algebraic Perspective into the Quantum Phase Space", Eskisehir Anadolu Univ., Workshop, 29 Oct. 1998.

  7. "Finite Dimensional Schwinger basis and algebraic quantum phase", Quantum Groups and contractions, International Workshop, Bogazigi Univ.. 14-17 Sept. 1997

  8. "Kaos ve Karma§iklikta Matematiksel Yontemler", Hacettepe Univ.Biyolojik Kaos, Panel Discussion, 17 Jan. 1997.

  9. "Phase Space Analysis of Interacting Systems, Wigner Function, Quantum State Tomography", Fizikte Geometri ve Topoloji Kis Okulu, Izzet Baysal Univ. Bolu and TUBITAK, 29 Ocak-2 §ubat 1996.

  10. "Quantum groups, Quantum Deformations and invertible non-linear maps", Group Theory in Physics: Barut Memorial, Conference, International Center for Physics and Applied Mathematics (ICPAM) Edirne. 21-27 Dec. 1995

  11. "Operational Quantum Limits on Polarization Measurement", Electron Theory and Quantum Electrodynamics, NATO-ASI, International Center for Physics and Applied Mathematics (ICPAM) Edirne, Turkey. January 1994

  12. "Phase in Quantized Angular Momentum Representation of the Free Electromagnetic Field", Frontiers in Mathematical Physics, International Center for Physics and Applied Mathematics (ICPAM) Edirne, Turkey, January 1994.

  13. "Quantized Phase States of SU(2)", 3rd. International Wigner Symposium, Oxford,England, September 1993.

  14. "Intermittency versus Non-Intermittency in High Energy Collisions", Workshop on Intermittency in High Energy Collisions, Center for Complexity, Santa Fe U.S.A.. April 1990

Other Talks and Presentations


  1. "Macroscopic Quantum Coherence, Groundstate degeneracy and Gauge Invari-ance", Istanbul Technical University, Dept. of Physics, 2 Nov. 2001,

  2. "."Phase space in Mechanics, Argonne National Laboratory, Argonne, IL 60439, USA, , 9 October 2000..

  3. "A canonical-Algebraic formulation of the quantum phase problem: A phase space approach", Feza Gu'rsey Institute/Istanbul, 25 March 1999,

  4. "."The Quantum Canonical Transformations and the quantum Phase: A canonical-algebraic approach, Math. Dept. Bilkent Univ., , 12 Nov. 1998.

  5. "The Quantum Phase: A dream of Dirac", Phys. Dept. Bilkent Univ., 14 Oct.1998,

  6. "."Quantum phase space, M.E.T.U., Physics Dept., , Dec. 10 1997.

  7. "Finite Dimensional Schwinger basis and algebraic quantum phase", M.E. T. U., Physics Dept., 15 Nov. 1998,

  8. "."The Homographic Oscillator and its cyclic representations, Physical Applications of Quantum Groups Winter School, , Izzet Baysal Univ.. Jan. 1997

  9. "Dynamical Effects of Low Temperature Anharmonicity in High Tc", Koq Univ., Istanbul, . April 1996

  10. "Phase Space Tomography in Fundamental Quantum Mechanics", Middle East Technical Univ., Ankara, . March 1996

  11. "Phase Probability Distributions in Weak Field Polarization Measurement", Rochester Conf. on Quantum Optics, Rochester, June 1995.

  12. "Homographic Oscillator Basis for Quantum Phase Problem", Rochester Conf. on Quantum Optics, Rochester, June 1995.

  13. "Operational Approach to Quantum Phase in Atom Field Interaction", Rochester Conf. on Quantum Optics, Rochester, June 1995.

  14. "Dynamical Phonon Corelations in Solids", TFD-15, Ka§, . Oct. 26-29, 1995

  15. "Phonon Squeezing in Conventional and High Temperature Superconductors I-II", Middle East Technical University, Ankara, October 1994.

  16. "Phonon Squeezing in Superconductivity", Istanbul Technical University, Istanbul, May. 1994

  17. "Properties of the Quantum Mechanical Phase in SU(2)", Bogaziqi University, Istanbul, December 1993.

  18. "Chaos and Complex Systems", Bilkent University Colloquium, Ankara, November 1993.

  19. "Wavelets:An Introduction", Bilkent University, Ankara, September 1992.

  20. "Wavelets and Their Importance in Physics", The University of Arizona, Tucson, AZ U.S.A., April 1992.

  21. "Long Range Behaviour of Hadronic Rapidity Correlations and Sum Rules", The University of Arizona, Tucson, AZ U.S.A., January 1991.

  22. "A Field Theory Model with Constraints:An Analogy to Polymers", The University of Arizona, Tucson, AZ U.S.A., November 1990.

  23. "Peierls Transitions and Low Dimensional Superconductivity", The University of Arizona, Tucson, AZ, U.S.A., May 1987.