We discuss a few new results which points out the importance of the intergalactic medium as a diagnostic for the formation and evolution of galaxies in the Universe. We discuss the recent studies to determine the power spectrum of fluctuation from QSO-absorption line studies, and then some feedback processes from early galaxies which influence the intergalactic medium.
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NYU, Dept Phys, Ctr Cosmol & Particle Phys, 726 Broadway, New York, NY 10003 USANYU, Dept Phys, Ctr Cosmol & Particle Phys, 726 Broadway, New York, NY 10003 USA
Inman, Derek
Pen, Ue-Li
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Univ Toronto, Canadian Inst Theoret Astrophys, 60 St George St, Toronto, ON M5S 3H8, Canada
Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M5S 3H4, Canada
Canadian Inst Adv Res, CIFAR Program Cosmol & Gravitat, Toronto, ON M5G 1Z8, Canada
Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, CanadaNYU, Dept Phys, Ctr Cosmol & Particle Phys, 726 Broadway, New York, NY 10003 USA
Pen, Ue-Li
Villaescusa-Navarro, Francisco
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Ctr Computat Astrophys, 162 5th Ave, New York, NY 10010 USANYU, Dept Phys, Ctr Cosmol & Particle Phys, 726 Broadway, New York, NY 10003 USA