Browsing Physics Faculty Research and Publications by Published Date "2014"

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Browsing Physics Faculty Research and Publications by Published Date "2014"

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  • Le, Anh-Thu; Wei, Hui; Jin, Cheng; Tuoc, Vu Ngoc; Morishita, Toru; Lin, Chii-Dong (2014-07-15)
    We show that a returning electron wave packet in high-order harmonic generation (HHG) with midinfrared laser pulses converges to a universal limit for a laser wavelength above about 3  μm. The results are consistent among ...
  • Jones, Dyan L.; Zollman, Dean A. (2014-08-05)
    We present a qualitative study designed to examine how students construct an understanding of the human eye and vision from their knowledge of light and optics. As would be expected, vast differences are shown to exist ...
  • Chakrabarty, Rajan K.; Novosselov, Igor V.; Beres, Nicholas D.; Moosmüller, Hans; Sorensen, Christopher M.; Stipe, Christopher B. (2014-06-17)
    We report the experimental realization of continuous carbon aerogel production using a flame aerosol reactor by operating it in negative gravity (−g; up-side-down configuration). Buoyancy opposes the fuel and air flow ...
  • Franklin, Scott V.; Sayre, Eleanor C.; Clark, Jessica W. (2014-07-22)
    A common narrative in physics education research is that students taught in lecture-based classes learn less than those taught with activity-based reformed methods. We show this narrative is simplistic and misses important ...
  • Whitelam, Stephen; Hedges, Lester O.; Schmit, Jeremy D. (2014-04-17)
    We use analytic theory and computer simulation to study patterns formed during the growth of two-component assemblies in two and three dimensions. We show that these patterns undergo a nonequilibrium phase transition, at ...
  • Sorensen, Christopher M.; Zubko, E.; Heinson, William R.; Chakrabarti, Amitabha (2014-01-24)
    This paper applies the Q-space analysis method to the scattering phase function of small irregular particles. Q-space analysis involves plotting the scattered intensity versus the magnitude of the scattering wave vector q ...
  • Kahniashvili, Tina; Maravin, Yurii; Lavrelashvili, George; Kosowsky, Arthur (2014-10-14)
    If a primordial magnetic field in the Universe has nonzero helicity, the violation of parity symmetry results in nonzero correlations between cosmic microwave background temperature and B-mode polarization. In this paper ...
  • Kübel, M.; Betsch, K. J.; Kling, Nora G.; Alnaser, A. S.; Schmidt, J.; Kleineberg, U.; Deng, Y.; Ben-Itzhak, Itzik; Paulus, G. G.; Pfeifer, T.; Ullrich, J.; Moshammer, R.; Kling, M. F.; Bergues, B. (2014-03-05)
    The transition from the near-single to the multi-cycle regime in non-sequential double ionization of argon is investigated experimentally. Argon atoms are exposed to intense laser pulses with a center wavelength around 790 ...
  • Pearson, Wright L., III; Copeland, Christopher; Kocak, Abdulkadir; Sallese, Zachary; Metz, Ricardo B. (2014-11-24)
    The electronic spectra of Mn[superscript +](H[subscript 2]O) and Mn[superscript +](D[subscript 2]O) have been measured from 30 000 to 35 000 cmˉ¹ using photodissociation spectroscopy. Transitions are observed from the 7A1 ...
  • Gong, X.; Kunitski, M.; Betsch, K. J.; Song, Q.; Schmidt, L. Ph. H.; Jahnke, T.; Kling, Nora G.; Herrwerth, O.; Bergues, B.; Senftleben, A.; Ullrich, J.; Moshammer, R.; Paulus, G. G.; Ben-Itzhak, Itzik; Lezius, M.; Kling, M. F.; Zeng, H.; Jones, R. R.; Wu, J. (2014-04-29)
    We study triple-ionization-induced, spatially asymmetric dissociation of N[subscript 2] using angular streaking in an elliptically polarized laser pulse in conjunction with few-cycle pump-probe experiments. The ...
  • Crandall, Sara R.; Ratra, Bharat V. (2014-05-01)
    We present median statistics central values and ranges for 12 cosmological parameters, using 582 measurements (published during 1990–2010) collected by [9]. On comparing to the recent Planck Collaboration [1] estimates of ...
  • Liu, Aihua; Thumm, Uwe P. E. (2014-06-30)
    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 ...
  • Liao, Qing; Thumm, Uwe P. E. (2014-03-25)
    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 ...
  • Rallis, C. E.; Burwitz, T. G.; Andrews, P. R.; Zohrabi Alaei, Mohammad; Averin, R.; De, S.; Bergues, B.; Jochim, Bethany; Voznyuk, A. V.; Gregerson, Neal; Gaire, B.; Znakovskaya, I.; McKenna, J.; Carnes, Kevin D.; Kling, M. F.; Ben-Itzhak, Itzik; Wells, E. (2015-04-06)
    We report techniques developed to utilize three-dimensional momentum information as feedback in adaptive femtosecond control of molecular dynamics. Velocity map imaging is used to obtain the three-dimensional momentum map ...
  • Gaire, B.; Bocharova, I.; Sturm, F. P.; Gehrken, N.; Rist, J.; Sann, H.; Kunitski, M.; Williams, J.; Schöffler, M. S.; Jahnke, T.; Berry, B.; Zohrabi, M.; Keiling, M.; Moradmand, A.; Landers, A. L.; Belkacem, A.; Dörner, R.; Ben-Itzhak, Itzik; Weber, Th. (2014-04-21)
    We have studied the nondissociative and dissociative photo-double-ionization of 1,1-difluoroethylene using single photons of energies ranging from 40 to 70 eV. Applying a coincident electron-ion three-dimensional momentum ...
  • Singh, G. P.; Shrestha, K. M.; Nepal, A.; Klabunde, Kenneth J.; Sorensen, Christopher M. (2014-06-14)
    It is well known that the noble metal nanoparticles show active absorption in the visible region because of the existence of the unique feature known as surface plasmon resonance (SPR). Here we report the effect of plasmonic ...
  • Li, Qianguang; Tong, Xiao-Min; Morishita, Toru; Wei, Hui; Lin, Chii Dong (2014-02-18)
    We studied the elementary processes of excitation and ionization of atomic hydrogen in an intense 800-nm pulse with intensity in the 1.0 to 2.5×10[superscript 14] W/cm² range. By analyzing excitation as a continuation of ...
  • Schmit, Jeremy D.; He, Feng; Mishra, Shradha; Ketchem, Randal R.; Woods, Christopher E.; Kerwin, Bruce A. (2014-04-23)
    Antibody solutions are typically much more viscous than solutions of globular proteins at equivalent volume fraction. Here we propose that this is due to molecular entanglements that are caused by the elongated shape and ...
  • Sayler, A. M.; McKenna, J.; Gaire, B.; Kling, Nora G.; Carnes, K. D.; Esry, B. D.; Ben-Itzhak, Itzik (2014-01-24)
    The triatomic hydrogen molecular ion is instrumental as a benchmark toward understanding the strong-field dynamics of polyatomic molecules. Using a crossed-beams coincidence three-dimensional momentum imaging method, we ...
  • Von Korff, Joshua; Rebello, N. Sanjay (2014-06-23)
    From the perspective of an introductory calculus course, an integral is simply a Riemann sum: a particular limit of a sum of small quantities. However, students connect those mathematical quantities to physical representations ...

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