Topics In Conformal Field Theory And String Theory by R. Ratul Mahanta Paperback

Description: Topics In Conformal Field Theory And String Theory by R. Ratul Mahanta Estimated delivery 3-12 business days Format Paperback Condition Brand New Description The Standard Model is a remarkably successful theory. It is a quantum theory describing the electromagnetic, weak and the strong interactions in nature. Its biggest shortcoming lies in its inability to describe gravity in the quantum regime. Furthermore, the con-stituents of dark matter and their interactions remain poorly understood, making it clear that there is much physics beyond Standard Model. String theory has the promise to pro-vide a quantum theory of gravity unifying all forces of nature [1-4]. It is a theory of interacting strings and other extended objects like D-branes. Its spectrum always con-tains a massless spin-2 state whose low energy interactions are as in general relativity. String perturbation theory is known to be ultraviolet nite. At present, the most promis-ing direction to connect string theory with nature is by compactifying ten dimensional string theories on six dimensional Calabi-Yau manifolds. Much progress has taken place in this direction, and this remains an active area of research. Furthermore, the techniques of perturbative quantum eld theory fail in the case of strong interactions (QCD) at low energies. However, a close cousin of QCD, i.e. N = 4 supersymmetric Yang-Mills theory in four dimensions at strong coupling can be understood via its string theory dual due to a mathematical correspondence [5, 6]. This has given hope that string theory can shed light on strong dynamics. Details ISBN 1805454757 ISBN-13 9781805454755 Title Topics In Conformal Field Theory And String Theory Author R. Ratul Mahanta Format Paperback Year 2023 Pages 68 Publisher Independent Author GE_Item_ID:141869085; 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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