Relativity symmetries and Lie algebra contractions

Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/105638

Title:	Relativity symmetries and Lie algebra contractions
Authors:	江祖永;Cho, Dai-Ning;Kong, Otto C.W.
Contributors:	理學院物理學系
Keywords:	Arenas;CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;Kinematics;Lie algebra contractions;LIE GROUPS;Physics;Pictures;Preserving;QUANTUM MECHANICS;Quantum relativity;Relativity;Relativity symmetry;RELATIVITY THEORY;Representations;SPACE-TIME;Symmetry
Date:	2014-09-16
Issue Date:	2026-04-23 12:44:03 (UTC+8)
Publisher:	New York: Elsevier Inc
Abstract:	摘要： We revisit the notion of possible relativity or kinematic symmetries mutually connected through Lie algebra contractions under a new perspective on what constitutes a relativity symmetry. Contractions of an SO(m,n) symmetry as an isometry on an m+n dimensional geometric arena which generalizes the notion of spacetime are discussed systematically. One of the key results is five different contractions of a Galilean-type symmetry G(m,n) preserving a symmetry of the same type at dimension m+n−1, e.g. a G(m,n−1), together with the coset space representations that correspond to the usual physical picture. Most of the results are explicitly illustrated through the example of symmetries obtained from the contraction of SO(2,4), which is the particular case for our interest on the physics side as the proposed relativity symmetry for “quantum spacetime”. The contractions from G(1,3) may be relevant to real physics. 出版者： New York: Elsevier Inc 出版日期： 2014-12-01 出處： Annals of physics, 2014-12, Vol.351, p.275-289 資源來源： Elsevier ScienceDirect Journals Complete ** 版權： 2014 Elsevier Inc. 識別號： ISSN: 0003-4916 識別號： EISSN: 1096-035X 識別號： DOI: 10.1016/j.aop.2014.09.005 識別號： CODEN: APNYA6
Appears in Collections:	[Department of Physics] journal & Dissertation

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