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Constraints on the Effects of Locally-biased Galaxy Formation
Robert J. Scherrer, David H. Weinberg
While it is well-known that "biased galaxy formation" can increase the strength of galaxy clustering, it is less clear whether straightforward biasing schemes can change the shape…
Hubble Flow Broadening of the Lyman-alpha Forest and its Implications
David H. Weinberg, Lars Hernquist, Neal Katz +2
Lyman-alpha forest lines in QSO spectra have typical widths of 20-50 km/s. Low column density absorbers in cosmological simulations are large, diffuse structures, and the Hubble fl…
Metal Lines in Cosmological Models of Lyman-Alpha Absorbers
Uffe Hellsten, Lars Hernquist, Neal Katz +1
The metal absorption lines found in association with \lya absorbers of moderate to high HI column density contain valuable information about the metallicity and ionization conditio…
A Study of Quasar Clustering at z>2.7 from the Palomar Transit Grism Survey
Andrew W. Stephens, Donald P. Schneider, Maarten Schmidt +2
The quest for structure indicators at earlier and earlier times in the evolution of the universe has led to the search for objects with ever higher redshifts. The Palomar Transit G…
Simulating Cosmic Structure Formation
David H. Weinberg, Neal Katz, Lars Hernquist
We describe cosmological simulation techniques and their application to studies of cosmic structure formation, with particular attention to recent hydrodynamic simulations of struc…
Recovery of the Power Spectrum of Mass Fluctuations from Observations of the Lyman-alpha Forest
Rupert A. C. Croft, David H. Weinberg, Neal Katz +1
We present a method to recover the shape and amplitude of the power spectrum of mass fluctuations, P(k), from observations of the high redshift \lya forest. The method is motivated…