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Nicholas Martin

Research Interests:
Atomic Physics
Education

Keble College, Oxford University. B.A. (Physics) 1971. M.Sc. (Science and Applications of Electrical Plasmas) 1972. M.A. 1977. D. Phil. (Physics) 1977.

Research

Experimental Atomic Physics

 

  • Electron impact excitation and ionization of atoms.
  • (e,2e) spectroscopy of autoionizing levels.
  • Non-dipole photoelectron studies on autoionizing levels.
  • Laser assisted electron scattering.

Education

  • B.A., Physics, Keble College, Oxford University (1971)
  • M.Sc., Physics, Keble College, Oxford University  (1972)
  • M.A., Physics,  Keble College, Oxford University(1977)
  • D. Phil., Experimental Atomic Physics,  Keble College, Oxford University (1977)

Graduate Students

  • David Brian Thompson (PhD. 1994)
  • Robert Bauman (PhD. 1999)
  • Greg Childers (PhD. 2001)
  • Bruno deHarak (PhD 2007)
  • Brian Kim (PhD 2023)
  • Mike Weaver (2014-)
Selected Publications:
  • N. L. S. Martin, C. M. Weaver, B. N. Kim, B. A. deHarak, “The angular distribution of electrons
    elastically scattered from Ar in the presence of a 1.17 eV laser field”, Phys. Rev. A 99, (2019)
    032708.

  • N. L. S. Martin, C. M. Weaver, B. N. Kim, B. A. deHarak, “Free-free experiments: the search
    for dressed-atom effects”, J. Phys. B 51, 134003 (2018).

  • N. L. S. Martin, C. M. Weaver, B. N. Kim, B. A. deHarak, O. Zatsarinny, and K. Bartschat,
    “Out-of-plane (e, 2e) measurements and calculations on He autoionizing levels as a function of
    incident-electron energy”, Phys. Rev. A 97, (2018) 052710.

  • N.L.S. Martin, B.A. deHarak “Test of target independence for free-free scattering in a Nd:YAG
    laser field”, Phys. Rev. A 93, 013403 (2016).

  • B.A. deHarak, B.N. Kim, C.M. Weaver, N.L.S. Martin, Mahsa Siavashpouri and Benjamin
    Nosarzewski “Effects of polarization direction on laser-assisted freefree scattering”, Plasma
    Sources Sci. Technol. 25 035021 (2016)

  • B.A. deHarak, Benjamin Nosarzewski, Mahsa Siavashpouri, N.L.S. Martin, “Electron-helium
    scattering in a 1.17 eV laser field: The effect of polarization direction”, Phys. Rev. A 90,
    (2014) 032709

  • B. A. deHarak, K. Bartschat, and N. L. S. Martin, “Energy dependence of the (e,2e) re-
    coil/binary peak ratio across He (2p2)1D and (2s2p)1P autoionizing levels.”, Phys. Rev. A
    89, (2014) 012702.

  • B. Kr¨assig, E. P. Kanter, S. H. Southworth, L. Young, R. Wehlitz, B. A. deHarak and N. L. S.
    Martin, “Dipole-Quadrupole Interference Spectroscopy: the observation of an autoionizing He
    1D Rydberg series”, Phys. Rev. A, 86, (2012) 053408.

  • B. A. deHarak, L. Ladino, K. B. MacAdam and N. L. S. Martin, “High-energy electron-helium scattering in a Nd:YAG laser field”, Phys. Rev. A 83, (2011) 022706.

  • B.A. deHarak, K. Bartschat, and N.L.S. Martin, “Out-of-plane (e, 2e) angular distributions and energy spectra of helium L=0, 1, 2 autoionizing levels”, Phys. Rev. A. 82, 062705 (2010).

  • N. L. S. Martin and B. A. deHarak (editors), “International Symposium on (e,2e), Double Photoionization and Related Topics & 15th International Symposium on Polarization and Correlation in Electronic and Atomic Collisions, Lexington, Kentucky, US 30 July 1 August 2009”, Journal of Physics: conference series, Vol 212, 2010. 

  • B.A. deHarak, K. Bartschat, and N.L.S. Martin, “Complex Fano asymmetry parameters for helium L=0, 1, 2 autoionizing levels excited by electron impact”, J. Phys. B. 38, 225021 (2009).

  • B.A. deHarak, K. Bartschat, and N.L.S. Martin, “Out-of-plane (e, 2e) experiments on helium L=0, 1, 2 autoionzing levels”, Phys. Rev. Lett. 100, 063201 (2008).

  • B.A. deHarak, J.G. Childers, and N. L. S. Martin, "The ejected electron spectrum of He below the N=2 threshold", Phys. Rev. A. 74, 032714 (2006).

  • B.A. deHarak, Z.Chen, D. H. Madison, and N. L. S. Martin, "Experimental and theoretical momentum transfer dependence of the He (e,2e) cross section", J. Phys. B  38, L145 (2005).
  • B. Kraessig, E. P. Kanter, S. H. Southworth, R. Guillemin, O. Hemmers, D.W. Lindle, R. Wehlitz, and N. L. S. Martin, "Photoexcitation of a Dipole-Forbidden Resonance in Helium", Phys. Rev. Lett. 88, 203002 (2002).
  • N.L.S. Martin, D.B. Thompson, R.P. Bauman, C.D. Caldwell, M.O. Krause, S.P. Frigo, and M. Wilson, "Electric Dipole-Quadrupole Interference of Overlapping Autoionizing Levels in Photoelectron Energy Spectra", Phys. Rev. Lett. 81, 1199 (1998).
  • N.L.S. Martin, D.B. Thompson, R.P. Bauman and M. Wilson, "Determination of Complex Ionization Amplitudes by (e,2e) Spectroscopy", Phys .Rev. Lett 72, 2163 (1994).
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