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Articles 1 - 30 of 107
Full-Text Articles in Physical Sciences and Mathematics
22. Yu Tongyin, Otto Vogl, Shukuan Fu
22. Yu Tongyin, Otto Vogl, Shukuan Fu
Emeritus Faculty Author Gallery
No abstract provided.
International Symposium On Ionic Polymerization Ip'97, Otto Vogl, Przemyslaw Kubisa
International Symposium On Ionic Polymerization Ip'97, Otto Vogl, Przemyslaw Kubisa
Emeritus Faculty Author Gallery
No abstract provided.
22. Yu Tongyin, Otto Vogl, Shukuan Fu
International Symposium On Ionic Polymerization Ip'97, Otto Vogl, Przemyslaw Kubisa
International Symposium On Ionic Polymerization Ip'97, Otto Vogl, Przemyslaw Kubisa
Otto Vogl
No abstract provided.
U-Duality, D-Branes And Black Hole Emission Rates: Agreements And Disagreements, Fay Dowker, David Kastor, Jennie Traschen
U-Duality, D-Branes And Black Hole Emission Rates: Agreements And Disagreements, Fay Dowker, David Kastor, Jennie Traschen
David Kastor
An expression for the spacetime absorption coefficient of a scalar field in a five dimensional, near extremal black hole background is derived, which has the same form as that presented by Maldacena and Strominger, but is valid over a larger, U-duality invariant region of parameter space and in general disagrees with the corresponding D-brane result. We develop an argument, based on D-brane thermodynamics, which specifies the range of parameters over which agreement should be expected. For neutral emission, the spacetime and D-brane results agree over this range. However, for charged emission, we find disagreement in the `Fat Black Hole' regime, …
Effect Of The Magellanic Clouds On The Milky Way Disk And Vice Versa, Martin D. Weinberg
Effect Of The Magellanic Clouds On The Milky Way Disk And Vice Versa, Martin D. Weinberg
Astronomy Department Faculty Publication Series
The satellite-disk interaction provides limits on halo properties in two ways: (1) physical arguments motivate the excitation of observable Galactic disk structure in the presence of a massive halo, although precise limits on halo parameters are scenario-dependent; (2) conversely, the Milky Way as a whole has significant dynamical effect on LMC structure and this interaction also leads to halo limits. Together, these scenarios give strong corroboration of our current gravitational mass estimates and suggests a rapidly evolving LMC.
Co (J = 4 → 3) And 650 Micron Continuum Observations Of The Z = 0.93 Hyperluminous Infrared Galaxy Fsc 15307+3252, Min S. Yun, N Z. Scoville
Co (J = 4 → 3) And 650 Micron Continuum Observations Of The Z = 0.93 Hyperluminous Infrared Galaxy Fsc 15307+3252, Min S. Yun, N Z. Scoville
Min S. Yun
We report the results of our CO J = 4 → 3 line and rest-frame 650 μm continuum observations of the z = 0.93 hyperluminous infrared galaxy FSC 15307+3252 using the Owens Valley Millimeter Array. No line or continuum emission was detected, but the derived limits provide a useful constraint on the temperature, emissivity, and mass of the cold dust associated with FSC 15307+3252 and its molecular gas content. The 3 σ upper limit on the velocity-integrated CO (4-3) line flux is 1.6 Jy km s-1 (for ΔV = 300 km s-1). This corresponds to a surprisingly small total molecular …
12th Bratislava Conference On Polymers: Modified Polyolefins For Advanced Polymeric Materials, Otto Vogl, Pavol Hrdlovic
12th Bratislava Conference On Polymers: Modified Polyolefins For Advanced Polymeric Materials, Otto Vogl, Pavol Hrdlovic
Emeritus Faculty Author Gallery
No abstract provided.
23. Feng Xinde, Otto Vogl, Zhou Qifen
23. Feng Xinde, Otto Vogl, Zhou Qifen
Emeritus Faculty Author Gallery
No abstract provided.
12th Bratislava Conference On Polymers: Modified Polyolefins For Advanced Polymeric Materials, Otto Vogl, Pavol Hrdlovic
12th Bratislava Conference On Polymers: Modified Polyolefins For Advanced Polymeric Materials, Otto Vogl, Pavol Hrdlovic
Otto Vogl
No abstract provided.
23. Feng Xinde, Otto Vogl, Zhou Qifen
Molecular Gas In The Z = 2.8 Submillimeter Galaxy Smm 02399-0136, D T. Frayer, R J. Ivison, N Z. Scoville, Min S. Yun, A S. Evans, Ian Smail, A W. Blain, J P. Kneib
Molecular Gas In The Z = 2.8 Submillimeter Galaxy Smm 02399-0136, D T. Frayer, R J. Ivison, N Z. Scoville, Min S. Yun, A S. Evans, Ian Smail, A W. Blain, J P. Kneib
Min S. Yun
We report the detection of CO (3→2) emission from the submillimeter-selected hyperluminous galaxy SMM 02399-0136. This galaxy is the brightest source detected in the recent Submillimeter Common-User Bolometer Array surveys of the submillimeter sky. The optical counterpart of the submillimeter source has been identified as a narrow-line active galactic nucleus/starburst galaxy at z=2.8. The CO emission is unresolved, θlesssim5'', and is coincident in redshift and position with the optical counterpart. The molecular gas mass derived from the CO observations is 8×1010 h−275 M_{{\odot}}, after correcting for a lensing amplification factor of 2.5. The large CO luminosity suggests that a significant …
24. Bahattin M. Baysal, Otto Vogl, Elif Hamurcu
24. Bahattin M. Baysal, Otto Vogl, Elif Hamurcu
Emeritus Faculty Author Gallery
No abstract provided.
5th Pacific Polymer Conference, Kyongju, Korea, Otto Vogl, Sun Chul Kim
5th Pacific Polymer Conference, Kyongju, Korea, Otto Vogl, Sun Chul Kim
Emeritus Faculty Author Gallery
No abstract provided.
24. Bahattin M. Baysal, Otto Vogl, Elif Hamurcu
5th Pacific Polymer Conference, Kyongju, Korea, Otto Vogl, Sun Chul Kim
5th Pacific Polymer Conference, Kyongju, Korea, Otto Vogl, Sun Chul Kim
Otto Vogl
No abstract provided.
The A-Hypergeometric System Associated With A Monomial Curve, Eduardo Cattani, Carlos D’Andrea, Alicia Dickenstein
The A-Hypergeometric System Associated With A Monomial Curve, Eduardo Cattani, Carlos D’Andrea, Alicia Dickenstein
Mathematics and Statistics Department Faculty Publication Series
No abstract provided.
25. Hiroyuki Tadokoro, Otto Vogl, Kohji Tashiro
25. Hiroyuki Tadokoro, Otto Vogl, Kohji Tashiro
Emeritus Faculty Author Gallery
No abstract provided.
25. Hiroyuki Tadokoro, Otto Vogl, Kohji Tashiro
26. Itaru Mita, Otto Vogl
26. Itaru Mita, Otto Vogl
Investigation Of The 10b(Γ,P) Reaction Using Tagged Photons, L J. De Bever, R S. Hicks, R A. Miskimen, Gerald Alvin Peterson
Investigation Of The 10b(Γ,P) Reaction Using Tagged Photons, L J. De Bever, R S. Hicks, R A. Miskimen, Gerald Alvin Peterson
Gerald Alvin Peterson
The reaction 10B(γ,p) has been studied using tagged photons of mean energies Eγ=57.6 and 72.9 MeV. Angular distributions and derived single-particle momentum distributions for protons leading to the ground state of 9Be and higher excited states are compared to various calculations made using model parameters constrained by 10B(e,e′p)9Be and 9Be(p,p′)9Be measurements. The effects of varying final-state interactions (including channel couplings) and meson exchange currents are considered. A sizable discrepancy between direct-knockout calculations and the experimental results is observed. If meson exchange currents are included in an approximate fashion, a good description of the 10B(γ,p0)9Be data is found.
Quantum-Monte-Carlo Calculations For Bosons In A Two-Dimensional Harmonic Trap, Stefan Heinrichs, William J. Mullin
Quantum-Monte-Carlo Calculations For Bosons In A Two-Dimensional Harmonic Trap, Stefan Heinrichs, William J. Mullin
Physics Department Faculty Publication Series
Path-Integral-Monte-Carlo simulation has been used to calculate the properties of a two-dimensional (2D) interacting Bose system. The bosons interact with hard-core potentials and are confined to a harmonic trap. Results for the density profiles, the condensate fraction, and the superfluid density are presented. By comparing with the ideal gas we easily observe the effects of finite size and the depletion of the condensate because of interactions. The system is known to have no phase transition to a Bose-Einstein condensation in 2D, but the finite system shows that a significant fraction of the particles are in the lowest state at low …
27. Per Flodin, Otto Vogl, Kerstin Meijer-Flodin
27. Per Flodin, Otto Vogl, Kerstin Meijer-Flodin
Emeritus Faculty Author Gallery
No abstract provided.
27. Per Flodin, Otto Vogl, Kerstin Meijer-Flodin
Morphogenesis By Symbiogenesis, Michael J. Chapman, Lynn Margulis
Morphogenesis By Symbiogenesis, Michael J. Chapman, Lynn Margulis
Lynn Margulis (1938 - 2011)
Here we review cases where initiation of morphogenesis, including the differentiation of specialized cells and tissues, has clearly evolved due to cyclical symbiont integration. For reasons of space, our examples are drawn chiefly from the plant, fungal and bacterial kingdoms. Partners live in symbioses and show unique morphological specializations that result when they directly and cyclically interact. We include here brief citations to relevant literature where plant, bacterial or fungal partners alternate independent with entirely integrated living. The independent, or at least physically unassociated stages, are correlated with the appearance of distinctive morphologies that can be traced to the simultaneous …
Measurements Of The Δ(1232) Transition Form Factor And The Ratio Σn/Σp From Inelastic Electron-Proton And Electron-Deuteron Scattering, L M. Stuart, R S. Hicks, R A. Miskimen, Gerald Alvin Peterson, S H. Rokni
Measurements Of The Δ(1232) Transition Form Factor And The Ratio Σn/Σp From Inelastic Electron-Proton And Electron-Deuteron Scattering, L M. Stuart, R S. Hicks, R A. Miskimen, Gerald Alvin Peterson, S H. Rokni
Gerald Alvin Peterson
Measurements of inclusive electron-scattering cross sections using hydrogen and deuterium targets in the region of the Δ(1232) resonance are reported. A global fit to these new data and previous data in the resonance region is also reported for the proton. Transition form factors have been extracted from the proton cross sections for this experiment over the four-momentum transfer squared range 1.64
28. Vivian Stannett, Otto Vogl, Susanne S. Stannett
28. Vivian Stannett, Otto Vogl, Susanne S. Stannett
Emeritus Faculty Author Gallery
No abstract provided.
28. Vivian Stannett, Otto Vogl, Susanne S. Stannett
Atmospheric Circulation Anomalies Associated With 1996/1997 Summer Precipitatipn Events On Sajama Ice Cap, Bolivia, Mathias Vuille, Douglas R. Hardy, Carsten Braun, Frank Keimig, Raymond S. Bradley
Atmospheric Circulation Anomalies Associated With 1996/1997 Summer Precipitatipn Events On Sajama Ice Cap, Bolivia, Mathias Vuille, Douglas R. Hardy, Carsten Braun, Frank Keimig, Raymond S. Bradley
Raymond S Bradley
The analysis of atmospheric circulation anomalies related to snowfall eVents on Sajama volcano (Bolivian Andes) provides important information for the calibration of an ice core, recently recovered from the summjt. Seventeen precipitation episodes were recorded on Sajama volcano during the 1996/1997 summer season (November 1996 to Marcb 1997) by snow depth sensors and additional measurements of an automatic weather station located on the summit. The analysis of atmospheric circulation patterns during these events is pased on zonal and meridional wind, air temperature, relative humiqity, geopotential height and horizontal divergence at three pressure levels (400, 500, and 700 hPa levels), atmosphenc …