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Searching for the hidden broad-line region in Centaurus A (1999)
Journal Article
Alexander, D., Hough, J., Young, S., Bailey, J., Heisler, C., Lumsden, S., & Robinson, A. (1999). Searching for the hidden broad-line region in Centaurus A. Monthly Notices of the Royal Astronomical Society, 303(2), L17-L22

Carbon-isotope composition of Lower Cretaceous fossil wood: Ocean-atmosphere chemistry and relation to sea-level change (1999)
Journal Article
Gröcke, D., Hesselbo, S., & Jenkyns, H. (1999). Carbon-isotope composition of Lower Cretaceous fossil wood: Ocean-atmosphere chemistry and relation to sea-level change. Geology, 27(2), 155-158. https://doi.org/10.1130/0091-7613%281999%29027%3C0155%3Acicolc%3E2.3.co%3B2

The carbon-isotope composition of fossil wood fragments, collected through a biostratigraphically well-constrained Aptian (Lower Cretaceous) shallow-marine siliciclastic succession on the Isle of Wight, southern Britain, shows distinct variations wit... Read More about Carbon-isotope composition of Lower Cretaceous fossil wood: Ocean-atmosphere chemistry and relation to sea-level change.

The potential energy surface and near-dissociation states of He-H+2 (1999)
Journal Article
Meuwly, M., & Hutson, J. M. (1999). The potential energy surface and near-dissociation states of He-H+2. The Journal of Chemical Physics, 110(7), 3418-3427. https://doi.org/10.1063/1.478208

The potential energy surface for the ground state of He-H+2 is calculated using ab initio QCISD(T) calculations and a correlation-consistent basis set. The geometries chosen include all combinations of 21 intermolecular distances R, three H-H distanc... Read More about The potential energy surface and near-dissociation states of He-H+2.

Predictions of microwave and far-infrared transitions in He-H+2 (1999)
Journal Article
Meuwly, M., & Hutson, J. M. (1999). Predictions of microwave and far-infrared transitions in He-H+2. Monthly Notices of the Royal Astronomical Society, 302(4), 790-792. https://doi.org/10.1046/j.1365-8711.1999.02187.x

A new potential energy surface for the molecular ion He-H2+ is used to predict microwave transitions that may be observable in environments such as circumstellar envelopes and planetary nebulae. For the vibrational ground state, transitions are predi... Read More about Predictions of microwave and far-infrared transitions in He-H+2.

Lax pairs for integrable lattice systems (1999)
Journal Article
Ward, R. (1999). Lax pairs for integrable lattice systems. Journal of Mathematical Physics, 40(1), 299-308. https://doi.org/10.1063/1.532772

This paper studies the structure of Lax pairs associated with integrable lattice systems (where space is a one-dimensional lattice, and time is continuous). It describes a procedure for generating examples of such systems, and emphasizes the features... Read More about Lax pairs for integrable lattice systems.

Cytosolic adenylyl cyclase defines a unique signaling molecule in mammals. (1999)
Journal Article
Buck, J., Sinclair, M., Schapal, L., Cann, M., & Levin, L. (1999). Cytosolic adenylyl cyclase defines a unique signaling molecule in mammals. Proceedings of the National Academy of Sciences, 96(1), 79-84. https://doi.org/10.1073/pnas.96.1.79

Mammals have nine differentially regulated isoforms of G protein-responsive transmembrane-spanning adenylyl cyclases. We now describe the existence of a distinct class of mammalian adenylyl cyclase that is soluble and insensitive to G protein or Fors... Read More about Cytosolic adenylyl cyclase defines a unique signaling molecule in mammals..

Quantum corrections to the classical reflection factor in a2(1) Toda field theory. (1999)
Journal Article
Bowcock, P., & Perkins, M. (1999). Quantum corrections to the classical reflection factor in a2(1) Toda field theory. Nuclear Physics B, 538(3), 612-630. https://doi.org/10.1016/s0550-3213%2898%2900707-x

The O(β2) quantum correction to the classical reflection factor is calculated for one of the integrable boundary conditions of a2(1) affine Toda field theory. This is found to agree with the conjectured exact reflection factor of the quantum theory.... Read More about Quantum corrections to the classical reflection factor in a2(1) Toda field theory..

BeppoSAX observations of AM Her type stars. (1999)
Journal Article
de Martino, D., Matt, G., Barcaroli, R., Belloni, T., Beuermann, K., Bonnet-Bidaud, J., …Mukai, K. (1999). BeppoSAX observations of AM Her type stars. Nuclear Physics B - Proceedings Supplements, 69(1-3), 368-371. https://doi.org/10.1016/s0920-5632%2898%2900242-4

First BeppoSAX-NFI observations obtained in the framework of a program aiming to detect simultaneously the soft and hard X-ray emissions and the long term behaviour of AM Her type stars are presented. BL Hyi, the prototipe AM Her and the peculiar V13... Read More about BeppoSAX observations of AM Her type stars..

An improved error bound for a finite element approximation of a model for phase separation of a multi-component alloy. (1999)
Journal Article
Blowey, J., & Barrett, J. (1999). An improved error bound for a finite element approximation of a model for phase separation of a multi-component alloy. IMA Journal of Numerical Analysis, 19(1), 147-168. https://doi.org/10.1093/imanum/19.1.147

Using the approach of Rulla (1996 SIAM J. Numer. Anal. 33, 68-87) for analysing the time discretization error and assuming more regularity on the initial data, we improve on the error bound derived by Barrett and Blowey (1996 IMA J. Numer. Anal. 16,... Read More about An improved error bound for a finite element approximation of a model for phase separation of a multi-component alloy..

The BeppoSAX observation of IRAS 20210+1121 (1999)
Journal Article
Ueno, S., Ward, M., O'Brien, P., Stirpe, G., & Matt, G. (1999). The BeppoSAX observation of IRAS 20210+1121. Nuclear Physics B - Proceedings Supplements, 69(1-3), 554-557. https://doi.org/10.1016/s0920-5632%2898%2900287-4

We have obtained a hard X-ray spectrum of the ultraluminous infrared galaxy IRAS 20210+1121 (z = 0.056), whose optical spectrum is that of a Seyfert 2. The most significant feature is a strong Fe K line at 6.7 (6.5–7.0) keV in the rest-frame with equ... Read More about The BeppoSAX observation of IRAS 20210+1121.

Science in the pits: Michael Faraday, Charles Lyell and the Home Office Enquiry into the Explosion at Haswell Colliery, County Durham, in 1844 (1999)
Journal Article
James, F. A., & Ray, M. (1999). Science in the pits: Michael Faraday, Charles Lyell and the Home Office Enquiry into the Explosion at Haswell Colliery, County Durham, in 1844. History and Technology, 15(3), 175-212. https://doi.org/10.1080/07341519908581947

The explosion at Haswell colliery in September 1844 in which ninety five men and boys were killed has attracted considerable historical attention. This is in some measure due to Michael Faraday and Charles Lyell taking part in the inquest and writing... Read More about Science in the pits: Michael Faraday, Charles Lyell and the Home Office Enquiry into the Explosion at Haswell Colliery, County Durham, in 1844.

The Durham Cathedral doors. (1999)
Journal Article
Caple, C., Baillie, M., Brown, D., Cambridge, E., Cramp, R., Clogg, P., …Millard, A. (1999). The Durham Cathedral doors. Durham archaeological journal, 14-15, 131-140

The CNOC2 field galaxy redshift survey (1999)
Journal Article
Carlberg, R., Yee, H., Morris, S., Lin, H., Sawicki, M., Wirth, G., …Hartwick, F. (1999). The CNOC2 field galaxy redshift survey. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 357(1750), 167-183. https://doi.org/10.1098/rsta.1999.0321

The second Canadian Network for Observational Cosmology ( CNOC) galaxy redshift survey, CNOC2, is designed to investigate the relations between the dramatic evolution of field galaxies and their clustering over the redshift range 0 to 0.7. The sample... Read More about The CNOC2 field galaxy redshift survey.

Regular and irregular vibrational states: Localized anharmonic modes in Ar3 (1999)
Journal Article
Wright, N. J., & Hutson, J. M. (1999). Regular and irregular vibrational states: Localized anharmonic modes in Ar3. The Journal of Chemical Physics, 110(2), 902-911. https://doi.org/10.1063/1.478057

We present a method for calculating the energy levels and wave functions of floppy triatomic molecules such as the rare gas trimers. It is based upon a potential-optimized discrete variable representation and takes into account the wide-amplitude vib... Read More about Regular and irregular vibrational states: Localized anharmonic modes in Ar3.

High mobility electron gases in Si/Si<SUB>0.77</SUB>Ge<SUB>0.23</SUB> quantum wells at 1.7 K (1999)
Journal Article
Crow, G., & Abram, R. (1999). High mobility electron gases in Si/Si0.77Ge0.23 quantum wells at 1.7 K. Semiconductor Science and Technology, 14(8), 721-726. https://doi.org/10.1088/0268-1242/14/8/310

Calculations have been carried out to investigate the factors which limit the low temperature, low field mobilities of two dimensional electron gases formed in the X2-valley quantum wells of tensile strained Si/Si0.77Ge0.23 modulation doped structure... Read More about High mobility electron gases in Si/Si<SUB>0.77</SUB>Ge<SUB>0.23</SUB> quantum wells at 1.7 K.