外加B-場下於三維球面上之土坡弦及銳牙弦; Giant magnons and spiky strings on S3 with B-field

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/7580

Title:	外加B-場下於三維球面上之土坡弦及銳牙弦;Giant magnons and spiky strings on S3 with B-field
Authors:	蔡淵;Yuan Tsai
Contributors:	物理研究所
Keywords:	巨型土坡弦;銳牙弦;B-場;弦;自旋陣列;spin-chain;string;B-field;magnons;spiky
Date:	2009-06-18
Issue Date:	2009-09-22 11:00:17 (UTC+8)
Publisher:	國立中央大學圖書館
Abstract:	我們研究了弦旋轉在S3空間中，給予一個外加B場下的解。這種解有兩種組態：其一是銳牙形狀的弦，另外則是巨型土坡狀的弦。我們計算了相對應的能量E、以及角動量J1、J2，同時推導出分佈關係式。特別的是在解得巨型土坡狀弦的分佈關係式相似於解自旋陣列的躍遷分佈。我們猜想在給予一個外加B 場下，這種全像對應到保形場論的關係式仍舊成立。 We study the solutions of a rotating string winding on S3 with a background NS-NS B-field. There are two types of configurations: one is spiky string and the other is giant magnon. We compute the associated energy E and two angular momenta J1, J2, and derive their dispersion relation. In particular, for giant magnon solution, the dispersion relation is similar to the result for the excitation of a spin chain. We conjecture that there should exist B-deformed conformal field theory holographically dual to this background.
Appears in Collections:	[Graduate Institute of Physics] Electronic Thesis & Dissertation

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