Publications

  1. M. Hanfland, K. Syassen, S. Fahy, S. G. Louie, and M. L. Cohen

  2. Pressure dependence of the first-order Raman mode in diamond
    Physical Review B 31, 6896-8 (1985).
     
  3. M. Hanfland, K. Syassen, S. Fahy, S. G. Louie, and M. L. Cohen

  4. The first-order Raman mode of diamond under pressure
    Physica 139, 516-9 (1986).
     
  5. S. Fahy, S. G. Louie, and M. L. Cohen

  6. Pseudopotential total-energy study of the transition from rhombohedral graphite to diamond
    Physical Review B 34, 1191-9 (1986).
     
  7. S. Fahy, K. J. Chang, S. G. Louie, and M. L. Cohen

  8. Pressure coefficients of band gaps in diamond
    Physical Review B 35, 5856-9 (1987).
     
  9. S. Fahy, S. G. Louie, and M. L. Cohen

  10. Theoretical total-energy study of the transformation of graphite into hexagonal diamond
    Physical Review B 35, 7623-6 (1987).
     
  11. S. Fahy and S. G. Louie

  12. High-pressure structural and electronic properties of carbon
    Physical Review B 36, 3373-85 (1987).
     
  13. U. Walter, S. Fahy, A. Zettl, S. G. Louie, M. L. Cohen, P. Tejedor, and A. M. Stacy

  14. Probing electronic density of states and magnetic interactions at the rare-earth site in ErBa_2Cu_3O_7
    Physical Review B 36, 8899-901 (1987).
     
  15. C. Kittel, S. Fahy, and S. G. Louie

  16. Magnetic screening by a thin superconducting surface layer
    Physical Review B 37, 642-3 (1988).
     
  17. S. Fahy, C. Kittel, and S. G. Louie

  18. Electromagnetic screening by metals
    American Journal of Physics 56, 989-92 (1988).
     
  19. S. Fahy and S. G. Louie

  20. Variational Monte Carlo sampling of the superconducting ground state
    Lawrence Berkeley Laboratory Report No. 24318 (1987)
     
  21. R. M. Wentzcovitch, S. Fahy, M. L. Cohen, and S. G. Louie

  22. Ab initio study of graphite to diamond-like transitions in BN
    Physical Review B 38, 6191-5 (1988).
     
  23. S. Fahy, X. W. Wang, and S. G. Louie

  24. Variational quantum Monte Carlo non-local pseudopotential approach to solids: cohesive and structural properties of diamond
    Physical Review Letters 61, 1631-4 (1988).
     
  25. S. Fahy, X. W. Wang, and S. G. Louie

  26. Quantum Monte Carlo calculation of the properties of atomic carbon and diamond
    Proc. 19th Int. Conf. Phys. of Semicond., edited by W. Zawadzki, Institute of Physics, Warsaw, Poland, Vol. 2, p. 845-8 (1988).
     
  27. X. Zhu, S. Fahy, and S. G. Louie

  28. Ab initio calculation of the pressure coefficients of band gaps of silicon: Comparison of local-density approximation and quasiparticle results
    Physical Review B 39, 7840-7 (1989).
     
  29. S. Fahy and D. R. Hamann

  30. Electronic and Structural Properties of Ca Si_2
    Physical Review B 41, 7587-92 (1990).
     
  31. S. Fahy, X. W. Wang, and S. G. Louie

  32. Variational quantum Monte Carlo non-local pseudopotential approach to solids: formulation and application to diamond, graphite, and silicon
    Physical Review B 42, 3503-22 (1990).
     
  33. D. R. Hamann and S. Fahy

  34. Energy measurement in auxiliary-field many-electron calculations
    Physical Review B 41, 11352-63 (1990).
     
  35. S. Fahy, X. W. Wang, and S. G. Louie

  36. Pair-correlation functions and single-particle occupation numbers in diamond and silicon
    Physical Review Letters 65, 1478-81 (1990).
     
  37. S. Fahy and D. R. Hamann

  38. Positive-projection Monte Carlo simulation: a new variational approach to strongly interacting fermion systems
    Physical Review Letters 65, 3437-40 (1990).
     
  39. X. W. Wang, J. Zhu, S. G. Louie, and S. Fahy

  40. Magnetic structure and equation of state of bcc solid hydrogen: a variational quantum Monte Carlo study
    Physical Review Letters 65, 2414-7 (1990).
     
  41. S. Fahy and D. R. Hamann

  42. Diffusive behavior of states in the Hubbard-Stratonovitch transformation
    Physical Review B 43, 765-79 (1991).
     
  43. S. Fahy and D. R. Hamann

  44. Transition from chaotic to non-chaotic behavior in randomly driven systems
    Physical Review Letters 69, 761-4 (1992).
     
  45. D. R. Hamann and S. Fahy

  46. Long-Range Interactions in auxiliary-field many-electron calculations
    Physical Review B 47, 1717-25 (1993).
     
  47. S. Fahy

  48. Ground State Projection with Auxiliary Fields: Imaginary-Time and Simulation-Time Dynamics
    Computer Simulation Studies in Condensed Matter Physics VI, edited by D. P. Landau, K. K. Mon, and H.-B. Schuttler (Springer, Berlin, 1993).
     
  49. S. Fahy

  50. Ground-State Projection using Auxiliary Fields
    Quantum Monte Carlo Methods in Condensed Matter Physics, edited by M. Suzuki (World Scientific, Singapore, 1993).
     
  51. W. Wu and S. Fahy

  52. Molecular Dynamics study of single-atom radiation damage in diamond
    Physical Review B 49, 3030-5 (1994).
     
  53. S. Fahy and R. Merlin

  54. Reversal of Ferroelectric Domains by Ultra-short optical pulses
    Physical Review Letters 73, 1122-5 (1994).
     
  55. A. P. Morrison, J. D. Lambkin, E. O'Sullivan, and S. Fahy

  56. A Simple Effective Mass model to include the effects of Gamma-X mixing in multiquantum Barriers
    SPIE Optical Engineering 33, 3926-9 (1994).
     
  57. S. Fahy

  58. Strain-induced shifts in the infra-red absorption peaks of Boron Nitride
    Physical Review B (Rapid Communications) 51, 12873-6 (1995).
     
  59. Y. Liu, G. A. Garrett, A. Frenkel, J. F. Whitaker, S. Fahy, C. Uher, and R. Merlin

  60. Impulsive Light Scattering by Coherent phonons in LaAlO_3: Disorder and Boundary Effects
    Physical Review Letters 75, 334-7 (1995).
     
  61. S. Fahy

  62. Quantum Monte Carlo Methods
    Quantum Theory of Real Materials, edited by J. R. Chelikowsky and S. G. Louie (Kluwer Academic Publishers, Mass., USA, 1995).
     
  63. S. Fahy and R. Merlin

  64. Data storage using pulsed optical domain reversal
    U.S. Patent No. 5,477,519 (Dec. 19, 1995).
     
  65. M. Menchi, A. Bosin, and S. Fahy

  66. Variational Monte Carlo on a parallel architecture: an application to graphite
    Material Research Society Symposium Proceedings 408, 169-74 (1996).
     
  67. A. Malatesta, S. Fahy, and G. B. Bachelet

  68. Variational quantum Monte Carlo calculation of the cohesive properties of cubic boron nitride
    Physical Review B 56, 12201-10 (1997).
     
  69. S. Fahy, C. A. Taylor, and R. Clarke

  70. Islanding and strain-induced shifts in the infrared absorption peaks of cubic boron nitride thin films
    Physical Review B 56, 12573-80 (1997).
     
  71. S. Fahy, S. Twohig, M. Stefansson, and D. Courtney

  72. Onset of Chaos in a Pendulum Coupled to a Thermal Environment
    Physical Review E 57, 2799-810 (1998).
     
  73. P. Tangney and S. Fahy

  74. Calculations of the A1 phonon frequency in photoexcited tellurium
    Physical Review Letters 82, 4340-3 (1999).
     
  75. S. Fahy

  76. Variational Monte Carlo in Solids
    Variational Monte Carlo Methods in Physics and Chemistry, edited by M. P. Nightingale and C. J. Umrigar (Kluwer, Dordrecht, 1999).
     
  77. C. Filippi and S. Fahy

  78. Optimal orbitals from energy fluctuations in correlated wave functions
    J. Chem. Phys. 112, 3523-31 (2000).
     
  79. S. Fahy and J. C. Greer

  80. Alloy corrections to the virtual crystal approximation and explicit band structure calculations for silicon-germanium
    Mat. Sci. Semicon. Proc. 3, 109-14 (2000).

  81. D. Prendergast, M. Nolan, C. Filippi, S. Fahy and J. C. Greer

  82. Impact of electron-electron cusp on configuration interaction energies
    J. Chem. Phys. 115, 1626-34 (2001).

  83. P. Tangney and S. Fahy

  84. Density-functional theory approach to ultra-fast laser excitation of semiconductors: Application to the A(1) phonon in tellurium
    Phys. Rev. B 65, 054302 (2002).

  85. F. Schautz and S. Fahy

  86. Optimization of configuration interaction coefficients in multi-determinant Jastrow-Slater wave functions
    J. Chem. Phys. 116, 3533-39 (2002)


Stephen Fahy (s.fahy@ucc.ie)