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Browsing Physics by Title

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  • Liao, Qing; Thumm, Uwe P. E. (2014-06-20)
    We analyze the dependence of attosecond streaked photoelectron spectra and photoemission time delays from valence band (VB) and 2p core-level (CL) states of a single-crystalline Mg(0001) thin film on the (i) modeling of ...
  • Dumitriu, I.; Bilodeau, R. C.; Gorczyca, T. W.; Walter, C. W.; Gibson, N. D.; Rolles, D.; Pešić, Z. D.; Aguilar, A.; Berrah, N. (2017-08-02)
    Inner-shell photodetachment from Ni−([Ar]3d94s2) leading to Ni+,Ni2+, and Ni3+ ion production was studied near and above the 3p excitation region, in the 60–90 eV photon energy range, using a merged ion-photon beam technique. ...
  • Jin, Cheng; Bertrand, Julien B.; Lucchese, R. R.; Worner, H. J.; Corkum, Paul B.; Villeneuve, D. M.; Le, Anh-Thu; Lin, Chii Dong (2012-05-31)
    We report measurements and theoretical simulations of high-order harmonic generation (HHG) in aligned N2 molecules using a 1200-nm intense laser field when the generating pulse is perpendicular to the aligning ...
  • Berg, Matthew J.; Sorensen, Christopher M. (2013-11-08)
    This work uses the discrete dipole approximation (DDA) to examine the internal electric field within a simulated carbon soot fractal aggregate in fixed and random orientations. For fixed orientations, deviations of the ...
  • Zigo, S.; Le, Anh Thu; Timilsina, P.; Trallero, Carlos
    Through the use of the technique of time-of-flight mass spectroscopy, we obtain strong-field ionization yields for randomly oriented 1,2-dichloroethylene (1,2-DCE) (C2H2Cl2) and 2-butene (C4H8). We are interested in studying ...
  • Wu, Yi; Gilbertson, Steve; Khan, Sabih; Chini, Michael; Zhao, Kun; Feng, Ximao; Chang, Zenghu (Institute of Electrical and Electronics Engineers, 2010-09-07)
    Using a generalized version of double optical gating, we produced single isolated attosecond pulses with 2 mJ, 25 fs driving lasers. Through attosecond streaking, we characterized isolated 160 attosecond pulses with 170 ...
  • Kato, K.; Wang, Yujun; Kobayashi, J.; Julienne, P. S.; Inouye, S. (2017-04-17)
    Multichannel Efimov physics is investigated in ultracold heteronuclear admixtures of K and Rb atoms. We observe a shift in the scattering length where the first atom-dimer resonance appears in the 41K−87Rb system relative ...
  • Savelyev, E.; Boll, R.; Bomme, C.; Schirmel, N.; Redlin, H.; Erk, B.; Dusterer, S.; Muller, E.; Hoppner, H.; Toleikis, S.; Muller, J.; Czwalinna, M. K.; Treusch, R.; Kierspel, T.; Mullins, T.; Trippel, S.; Wiese, J.; Kupper, J.; Brausse, F.; Krecinic, F.; Rouzee, A.; Rudawski, P.; Johnsson, P.; Amini, K.; Lauer, A.; Burt, M.; Brouard, M.; Christensen, L.; Thogersen, J.; Stapelfeldt, H.; Berrah, N.; Muller, M.; Ulmer, A.; Techert, S.; Rudenko, Artem; Rolles, Daniel
    In pump-probe experiments employing a free-electron laser (FEL) in combination with a synchronized optical femtosecond laser, the arrival-time jitter between the FEL pulse and the optical laser pulse often severely limits ...
  • Zollman, Dean A.; Colicchia, G; Wiesner, H; Sen, Ahmet Ilhan (American Association of Physics Teachers, 2010-01-27)
  • Heinson, W. R.; Chakrabarti, Amitabha; Sorensen, Christopher M.
    We demonstrate that kinetic aggregation forms superaggregates that have structures identical to static percolation aggregates, and these superaggregates appear as a separate phase in the size distribution. Diffusion limited ...
  • Schmit, Jeremy D. (2013-08-09)
    The growth of amyloid fibrils requires a disordered or partially unfolded protein to bind to the fibril and adapt the same conformation and alignment established by the fibril template. Since the H-bonds stabilizing the ...
  • Liu, Aihua; Thumm, Uwe P. E. (2014-09-29)
    We investigate few-photon extreme ultraviolet (XUV) double ionization of helium atoms without and in the presence of an assisting infrared (IR) laser field by numerically solving the time-dependent Schrödinger equation in ...
  • Xu, Junliang; Blaga, Cosmin I.; DiChiara, Anthony D.; Sistrunk, Emily; Zhang, Kaikai; Chen, Zhangjin; Le, Anh-Thu; Morishita, Toru; Lin, Chii Dong; Agostini, Pierre; DiMauro, Louis F. (2013-01-16)
    Recently, using midinfrared laser-induced electron diffraction (LIED), snapshots of a vibrating diatomic molecule on a femtosecond time scale have been captured [C. I. Blaga et al., Nature (London) 483, 194 (2012)]. In ...
  • Sayre, Eleanor C.; Franklin, Scott V.; Dymek, Stephanie; Clark, Jessica; Sun, Yifei (2012-05-23)
    We present data from a between-student study on student response to questions on Newton’s third law given in two introductory calculus-based physics classes (Mechanics and Electromagnetism) at a large northeastern university. ...
  • Heinson, Yuli W.; Maughan, Justin B.; Heinson, William R.; Chakrabarti, Amitabha; Sorensen, Christopher M.
    We report Q-space analysis of light scattering phase function data for irregularly shaped dust particles and of theoretical model output to describe them. This analysis involves plotting the scattered intensity versus the ...
  • Mulholland, George W.; Zhou, Lei; Zachariah, Michael R.; Heinson, William R.; Chakrabarti, Amit; Sorensen, Christopher M. (2013-05-07)
    Motivated by light scattering experiments showing enhanced intensity of electric field aligned nano-agglomerates vs. randomly oriented nano-agglomerates, we address the theoretical basis for this effect by applying the ...
  • Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Ero, J.; Flechl, M.; Friedl, M.; Fruhwirth, R.; Ghete, V. M.; Hartl, C.; Ivanov, Andrew; Maravin, Yurii; Kaadze, Ketino
  • Anderson, K. A.; Crespi, M.; Sayre, Eleanor C.
    There is considerable long-term interest in understanding the dynamics of collaboration networks, and how these networks form and evolve over time. Most of the work done on the dynamics of social networks focuses on ...
  • Paneru, Govind; Thapa, Prem S.; McBride, Sean P.; Ramm, Adam; Law, Bruce M.; Flanders, Bret N. (2013-02-13)
    Maneuverable, high aspect ratio poly 3-4 ethylene dioxythiophene (PEDOT) fibers are fabricated for use as cellular force probes that can interface with individual pseudopod adhesive contact sites without forming unintentional ...

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