Prof. Dr. Philipp Demekhin

Profil

FachgebietAtom- und Molekülphysik, Laserphysik
KeywordsAtomic and molecular X-ray spectroscopy

Aktuelle Kontaktadresse

LandDeutschland
OrtKassel
Universität/InstitutionUniversität Kassel
Institut/AbteilungInstitut für Physik

Gastgeber*innen während der Förderung

Prof. Dr. Hans SchmoranzerFachbereich Physik, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau (RPTU), Kaiserslautern
Beginn der ersten Förderung01.02.2002

Programm(e)

2001Humboldt-Forschungsstipendien-Programm

Publikationen (Auswahl)

2008Ph.V. Demekhin, V.L. Sukhorukov, W. Kielich, L. Werner, S. Klumpp, A. Ehresmann, K.-H. Schartner, H. Schmoranzer: Vibrational analysis of the N2+(C-X) fluorescence at the vicinity of the 1s-pi* excitation. In: J. Phys. B: At. Mol. Opt. Phys., 2008, 045104-1-045104-8
2007V.L. Sukhorukov, I.D. Petrov, Ph.V. Demekhin, H. Schmoranzer, S. Mickat, S. Kammer, K.-H. Schartner, S. Klumpp, L. Werner and A. Ehresmann: Interaction between doubly-excited 4p4nln'l' resonances in KrI . In: Journal of Physics B: Atomic and Molecular Optic Physics, 2007, 1297-1307
2007Ph. V. Demekhin, V. L. Sukhorukov, L. Werner, A. Ehresmann, K.-H. Schartner and H. Schmoranzer: Investigation of N2+(C 2Su+ - X 2Sg+) Fluorescence Excited through Auger Decay of the 1s-1p* Resonance. In: Optics and Spectroscopy, 2007, 330-340
2007Ph. V. Demekhin, D. V. Omel¿yanenko, B. M. Lagutin, V. L. Sukhorukov, L. Werner, A. Ehresmann, K.-H. Schartner, and H. Schmoranzer: Investigation of Photoionization and Photodissociation of an Oxygen Molecule by the Method of Coupled Differential Equations. In: Optics and Spectroscopy, 2007, 318-329
2007Ehresmann A., Kielich W., Werner L., Demekhin Ph.V., Omel'yanenko D.V., Sukhorukov V.L., Schartner K.-H., and Schmoranzer H.: Lifetime vibrational interference during the NO 1s-1p* resonant excitation studied by the NO+(A 1P -- X 1S+) fluorescence. In: Europ. Phys. Jour. D. , 2007, 235-246
2007I. D. Petrov, Ph. V. Demekhin, B. M. Lagutin, V. L. Sukhorukov, S. Klumpp, A. Ehresmann, K.-H. Schartner and H. Schmoranzer: Many-Electron Character of Rydberg Series Converging to the Ionization Thresholds of the 4p45s States of KrII. In: Optics and Spectroscopy, 2007, 1-7
2007Ph.V. Demekhin, D.V. Omel'yanenko, B.M. Lagutin, V.L. Sukhorukov, L. Werner, A. Ehresmann, K.-H. Schartner, and H. Schmoranzer: The Predissociation of the 2su-1(c 4Su-), v States of the Oxygen Molecular Ion. In: Russian Journal of Physical Chemistry B, 2007, 213-221
2007Ph.V. Demekhin, I.D. Petrov, B.M. Lagutin, V.L. Sukhorukov, A. Neogi, P. Yeates, E.T. Kennedy, M.W.D. Mansfield and J.T. Costello: Theoretical Study of Photoionization of the Isoelectronic Sequence Rb+, Sr2+ and Y3+. In: Optics and Spectroscopy, 2007, 149-158
2006Kammer S., Schartner K.-H., Mickat S., Schill R., Ehresmann A., Werner L., Klumpp S., Schmoranzer H., Petrov I.D., Demekhin Ph.V. and Sukhorukov V.L. Cross sections for photoabsorption and 3p44s,3d, satellite production at energies of the doubly excited Ar 3p4 (3P) 4s 2P3/2,1/2np resonances.. In: J. Phys. B: At. Mol. Opt. Phys., 2006, 2757-2771
2006B. M. Lagutin, F. V. Demekhin, I. D. Petrov, V. L. Sukhorukov, A. Ehresmann, H. Schmoranzer and K.-H. Schartner: Interference Effects in Alignment and Orientation Processes of Atoms Excited by Polarized Radiation. In: Optics and Spectroscopy, 2006, 832-838
2006A. Ehresmann, L. Werner, S. Klumpp, Ph.V. Demekhin, M.P. Lemeshko, V.L. Sukhorukov, K.-H. Schartner, H. Schmoranzer: Predissociation of the N2+ (C 2Sigma_u+) state observed via N2+ (C 2Sigma_u+ - X 2Sigma_g+) fluorescence after resonant 1s-1p* excitation of N2 molecule . In: Letter to the editor of J. Phys. B: At. Mol. Opt. Phys., 2006, L119-L126
2006A. Ehresmann, L. Werner, S. Klumpp, S. Lucht, H. Schmoranzer, S. Mickat, R. Schill, K.-H. Schartner, Ph.V. Demekhin, M.P. Lemeshko, V.L. Sukhorukov: Studying the N2+ (C 2Sigma_u+ - X 2Sigma_g+) fluorescence excited via the 1s-1p* resonance. In: J. Phys.B: At. Mol. Opt. Phys., 2006, 283-304
2005Ph V Demekhin, I D Petrov, B M Lagutin, V L Sukhorukov, F Vollweiler, S Klumpp, A Ehresmann, K-H Schartner and H Schmoranzer: Interaction between resonances through autoionization continua near the 4s-threshold in KrII. In: J. Phys. B: At. Mol. Opt. Phys, 2005, 3129-3145
2004Ehresmann A., Werner L., Klumpp S., Schmoranzer H., Demekhin Ph.V., Lagutin B.M., Sukhorukov V.L., Mickat S., Kammer S., Zimmerman B., Schartner K.-H.: De-excitation dynamics of Rydberg states in O2: II. Vibrational and rotational structure of O2+: 2sima_u-1(c 4_SIGMA_u-)(ns/nd)sigma_g 3_SIGMA_u- (v=0,1) states. . In: J. Phys. B: At. Mol. Opt. Phys., 2004, 4405-4422
2004A. Ehresmann, S. Klumpp, L. Werner, H. Schmoranzer, S. Kammer, S. Mickat, K.-H. Schartner, I.D. Petrov, Ph.V. Demekhin and V.L. Sukhorukov: Observation and identification of doubly excited KrI 4s24p45snl Rydberg series. In: Letter to the editor of J. Phys. B: At. Mol. Opt. Phys., 2004, L251-L257
2004Yeates P., Kennedy E.T., Mosnier J.-P., van Kampen P., Mansfeld M.W.D., Pedregosa-Gutierrez J., Greenwood J.B., Demekhin Ph.V., Petrov I.D., Lagutin B.M., Sukhorukov V.L., Demekhina L.A. and Costello J.T.: Theoretical and experimental study of the extreme ultraviolet photoabsorption spectrum of triply ionized yttrium.. In: J. Phys. B: At. Mol. Opt. Phys., 2004, 4663-4680
2003B. M. Lagutin, Ph. V. Demekhin, V. L. Sukhorukov, A. Ehresmann, H. Schmoranzer, K.-H. Schartner : Alignment and orientation of the ionic sates of rare-gas atoms populated by resonant Auger effect . In: G.F. Hannel et al., Correlation and Polarization in Photonic, Electronic, and Atomic Collisions: AIP Conference Proceedings, Vol. 697 (CP697).. Melville, 2003. 127-132
2003A Ehresmann, H Liebel, H Schmoranzer, B Zimmermann, S Kammer, K-H Schartner, Ph V Demekhin and V L Sukhorukov: Double photoionization of N2 into the N22+ D 1Sigmau+ - state. In: J. Phys. B: At. Mol. Opt. Phys. , 2003, 3669-3681
2003Lagutin B.M., Demekhin Ph.V., Sukhorukov V.L., Ehresmann A., Schmoranzer H. Interference effects in Auger spectra at the 3d9np resonances in Kr.. In: Letter to the editor of J. Phys. B: At. Mol. Opt. Phys., 2003, L163-L168
2003B. M. Lagutin, I. D. Petrov, V. L. Sukhorukov, Philipp Demekhin, B. Zimmermann, S. Mickat, S. Kammer, K.-H. Schartner, Yu. A. Shytov, H. Schmoranzer: The interference effects in alignment and orietation of the Krll4p45p states following Krl 3d9np resonance exicitation. In: J. Phys. B: At. Mol. Opt. Phys., 2003, 3251-3268
2003A. Neogi, E.T. Kennedy, J.-P. Mosnier, P. van Kampen, J.T. Costello, G. O'Sullivan, M.W.D. Mansfield, Ph.V. Demekhin, B.M. Lagutin, V.L. Sukhorukov Trends in autoionization of Rydberg states Converging to the 4s threshold in the Kr-Rb+-Sr2+ isoelectronic sequence: theory and experiment.. In: Physical Review A, 2003, 042707-1-042707-10
2002H. Liebel, A. Ehresmann, H. Schmoranzer, Ph. V. Demekhin,B.M. Lagutin, V.L. Sukhorukov: Deexcitation dynamics of Rydberg states in O2: I. Total cross sections for OI fluorescence emission following predissociation of 2_Sigma_u_-1(c_4_SIGMA_u_-) n_sigma_g 3_SIGMA_u_- states. . In: J. Phys. B: At. Mol. Opt. Phys., 2002, 895-905