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  • 1
    Electronic Resource
    Electronic Resource
    Laser multiphoton ionization-dissociation mass spectrometry (1985)
    s.l. : American Chemical Society
    Chemical reviews 85 (1985), S. 529-554 
    Details
    ISSN: 1520-6890
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/cr00070a002
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  • 2
    Electronic Resource
    Electronic Resource
    Analysis of the SSAP Method for the Numerical Valuation of High-Dimensional Multivariate American Securities (1999)
    Springer
    Algorithmica 25 (1999), S. 75-98 
    Details
    ISSN: 1432-0541
    Keywords: Key words. American options, American pricing, Monte Carlo simulation, Optimal control, Finite-difference, Itô process.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract. We consider a new numerical method developed by Barraquand and Martineau for the pricing of American securities where the payoff depends on several sources of uncertainty. This method utilizes Monte Carlo simulation and is referred to as Stratified State Aggregation along the Payoff (SSAP). Since there are no other methods that so effectively reduce the dimensionality of high-dimensional problems, the SSAP method has generated significant interest. Numerical results are presented showing that, if a sufficiently large number of time steps are used, in the cases of the two-dimensional maximum and minimum options, SSAP typically prices to within 6 cents of the true price. However, we show that if the security depends on two or more sources of uncertainty, then the price obtained by the SSAP method will not, in general, converge to the correct theoretical price, due in large part to incorrect exercise decisions being made. We analyze the exercise regions in the cases of the two-dimensional maximum and minimum options and show how SSAP makes incorrect exercise decisions. Suggestions for improving SSAP pricing accuracy by choosing a partition other than the payoff are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00009284
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  • 3
    Electronic Resource
    Electronic Resource
    Fluorine atom abstraction by Si(100). I. Experimental (1999)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 111 (1999), S. 3679-3695 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: In the interaction of low energy F2 with Si(100) at 250 K, a dissociative chemisorption mechanism called atom abstraction is identified in which only one of the F atoms is adsorbed while the other F atom is scattered into the gas phase. The dynamics of atom abstraction are characterized via time-of-flight measurements of the scattered F atoms. The F atoms are translationally hyperthermal but only carry a small fraction (∼3%) of the tremendous exothermicity of the reaction. The angular distribution of F atoms is unusually broad for the product of an exothermic reaction. These results suggest an "attractive" interaction potential between F2 and the Si dangling bond with a transition state that is not constrained geometrically. These results are in disagreement with the results of theoretical investigations implying that the available potential energy surfaces are inadequate to describe the dynamics of this gas–surface interaction. In addition to single atom abstraction, two atom adsorption, a mechanism analogous to classic dissociative chemisorption in which both F atoms are adsorbed onto the surface, is also observed. The absolute probability of the three scattering channels (single atom abstraction, two atom adsorption, and unreactive scattering) for an incident F2 are determined as a function of F2 exposure. The fluorine coverage is determined by integrating the reaction probabilities over F2 exposure, and the reaction probabilities are recast as a function of fluorine coverage. Two atom adsorption is the dominant channel [P2=0.83±0.03(95%, N=9)] in the limit of zero coverage and decays monotonically to zero. Single atom abstraction is the minor channel (P1=0.13±0.03) at low coverage but increases to a maximum (P1=0.35±0.08) at about 0.5 monolayer (ML) coverage before decaying to zero. The reaction ceases at 0.94±0.11(95%, N=9) ML. Thermal desorption and helium diffraction confirm that the dangling bonds are the abstraction and adsorption sites. No Si lattice bonds are broken, in contrast to speculation by other investigators that the reaction exothermicity causes lattice disorder. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.479677
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  • 4
    Electronic Resource
    Electronic Resource
    Design considerations for diffraction coupled arrays with monolithically integrated self-imaging cavities (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 1848-1850 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Conditions for stabilization of in-phase or out-of-phase array eigenmodes in diffraction coupled diode laser arrays are derived and applied to several array architectures. The analysis predicts that the discrimination between these two eigenmodes is strongest in arrays with half Talbot distance long free-propagation region. In this geometry, the out-of-phase and in-phase near fields are, respectively, reproduced and channeled halfway between the original channel locations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101255
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  • 5
    Electronic Resource
    Electronic Resource
    Diffraction-limited operation from monolithically integrated diode laser array and self-imaging (Talbot) cavity (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 1949-1951 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The monolithic integration of a linear array and a separately pumped self-imaging Talbot cavity has resulted in diffraction-limited single-lobe output beams to output powers in excess of 100 mW/facet. A study was made of the device operation as a function of the drive currents applied to the array region and the Talbot cavity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.102153
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  • 6
    Electronic Resource
    Electronic Resource
    Coherent operation of injection-locked monolithic surface-emitting diode laser arrays (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 2634-2636 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A row of six surface-emitting GaAlAs laser diode arrays was locked in a coupled resonator configuration by means of interconnecting waveguides. An external master oscillator was injected into the first array in order to achieve single longitudinal mode operation and wavelength tunability. Spectral data show all six devices were locked in a single longitudinal mode, with tunable operation of over 60 A(ring). Far-field fringe visibilities greater than 60% were achieved at 100 mW output powers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101042
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  • 7
    Electronic Resource
    Electronic Resource
    Wavelength dependence of the multiphoton ionization-fragmentation mass spectrometric pattern of benzaldehyde (1983)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 87 (1983), S. 2255-2260 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100235a039
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  • 8
    Electronic Resource
    Electronic Resource
    Complex images of a ground electrode in layered soils (1992)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 71 (1992), S. 569-574 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In this paper, the complex image method is used to model ground electrodes in layered soils. The image locations and amplitudes are determined through a simple Prony method [R. W. Hamming, Numerical Methods for Scientists and Engineers (Dover, New York, 1973), pp. 620–622]. As an example, a toroidal electrode in a four-layer soil is modeled using one real image and four complex images. The results obtained are identical to those reported recently in the literature, given by more than 10 000 images using the conventional electrostatic image method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.350407
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  • 9
    Electronic Resource
    Electronic Resource
    Spontaneous pattern on the corroded surface of metal: Phenomenon and theory (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 68 (1990), S. 3625-3629 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A spontaneous pattern was found on the corroded surface of 1Cr18Ni9Ti stainless steel which was subjected to a crude oil containing naphthenic acid at temperature about 330 °C. The high regularity, the periodicity, and SO2 symmetry of the pattern imply that a spontaneous dissipative structure arose in this corrosion system. It was also found that the distribution of chemical elements on the corroded surface was in accordance with the morphologic pattern. A new theory, which is based on the linear perturbation method and in which the shift of boundary is considered, is proposed to characterize the formation of the large-scale spontaneous pattern, reveal the mechanism, and explain this phenomenon in the corrosion system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.346324
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  • 10
    Electronic Resource
    Electronic Resource
    Gain- and threshold-current dependence for multiple-quantum-well lasers (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 6564-6567 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A semilogarithmic expression that accurately approximates gain-current curves of quantum-well lasers and is useful for optimization of device performance is derived. The derivation uses both a curve fitting of the calculated curves and approximate analytical evaluation of integrals that comprise the gain model. The derived expression is used to explain the observed increase in the threshold current of single- and multiple-quantum-well lasers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342028
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