Beyond CDM: Exploring Alternatives to the Standard Cosmological Paradigm by Sown

Description: Beyond CDM by Sownak Bose Estimated delivery 3-12 business days Format Paperback Condition Brand New Description This book employs computer simulations of artificial Universes to investigate the properties of two popular alternatives to the standard candidates for dark matter (DM) and dark energy (DE). Publisher Description This book employs computer simulations of artificial Universes to investigate the properties of two popular alternatives to the standard candidates for dark matter (DM) and dark energy (DE). It confronts the predictions of theoretical models with observations using a sophisticated semi-analytic model of galaxy formation. Understanding the nature of dark matter (DM) and dark energy (DE) are two of the most central problems in modern cosmology. While their important role in the evolution of the Universe has been well established—namely, that DM serves as the building blocks of galaxies, and that DE accelerates the expansion of the Universe—their true nature remains elusive. In the first half, the authors consider sterile neutrino DM, motivated by recent claims that these particles may have finally been detected. Using sophisticated models of galaxy formation, the authors find that future observations of the high redshift Universe and faint dwarf galaxies in the Local Group can placestrong constraints on the sterile neutrino scenario. In the second half, the authors propose and test novel numerical algorithms for simulating Universes with a modified theory of gravity, as an alternative explanation to accelerated expansion. The authors techniques improve the efficiency of these simulations by more than a factor of 20 compared to previous methods, inviting the readers into a new era for precision cosmological tests of gravity. Author Biography Originally from Kolkata, India, the author completed his undergraduate Masters degree in Physics from the University of Oxford in 2013. Following this, he obtained a PhD in Astrophysics from Durham University, under the supervision of Prof. Carlos Frenk, Dr. Baojiu Li and Prof. Adrian Jenkins. Currently, he is a ITC Postdoctoral Fellow at the Harvard-Smithsonian Center for Astrophysics in Cambridge, MA (USA). Details ISBN 3030072452 ISBN-13 9783030072452 Title Beyond CDM Author Sownak Bose Format Paperback Year 2019 Pages 181 Publisher Springer Nature Switzerland AG GE_Item_ID:158891109; About Us Grand Eagle Retail is the ideal place for all your shopping needs! With fast shipping, low prices, friendly service and over 1,000,000 in stock items - you're bound to find what you want, at a price you'll love! Shipping & Delivery Times Shipping is FREE to any address in USA. Please view eBay estimated delivery times at the top of the listing. Deliveries are made by either USPS or Courier. We are unable to deliver faster than stated. International deliveries will take 1-6 weeks. NOTE: We are unable to offer combined shipping for multiple items purchased. This is because our items are shipped from different locations. Returns If you wish to return an item, please consult our Returns Policy as below: Please contact Customer Services and request "Return Authorisation" before you send your item back to us. Unauthorised returns will not be accepted. Returns must be postmarked within 4 business days of authorisation and must be in resellable condition. Returns are shipped at the customer's risk. We cannot take responsibility for items which are lost or damaged in transit. For purchases where a shipping charge was paid, there will be no refund of the original shipping charge. Additional Questions If you have any questions please feel free to Contact Us. Categories Baby Books Electronics Fashion Games Health & Beauty Home, Garden & Pets Movies Music Sports & Outdoors Toys

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