23/02/12 22:07:41.38 t5GdbcIg.net
>>366 補足
下記P15”In terms of Q we introduce the vertex operator corresponding to the external leg with momentum p:”
とある。交点の方がイメージわくよね
URLﾘﾝｸ(arxiv.org)
URLﾘﾝｸ(arxiv.org)
The birth of string theory
Paolo Di Vecchia1 [v1] Sun, 1 Apr 2007 Copenhagen, Denmark
Summary. In this contribution we go through the developments that in the years
from 1968 to about 1974 led from the Veneziano model to the bosonic string theory.
They include the construction of the N-point amplitude for scalar particles, its
factorization through the introduction of an infinite number of oscillators and the
proof that the physical subspace was a positive definite Hilbert space. We also discuss
the zero slope limit and the calculation of loop diagrams. Lastly, we describe how
it finally was recognized that a quantum relativistic string theory was the theory
underlying the Veneziano model.
P15
In terms of Q we introduce the vertex operator corresponding to the external leg with momentum p:
URLﾘﾝｸ(academic.oup.com)
（PDFあり）
Nambu, A Foreteller of Modern Physics I
The birth of string theory
H. Itoyama 2016
This is a brief summary of an introductory lecture for students and scholars in general given
by the author at the Nambu Memorial Symposium which was held at Osaka City University
on 29 September 2015. We review the invention of string theory by Professor Yoichiro Nambu
following the discovery of the Veneziano amplitude. We also discuss Professor Nambu’s proposal on string theory in the Schild gauge in 1976, which is related to the matrix model of Yang?Mills type.
（こちらは本格的な本）
URLﾘﾝｸ(www.)アマゾン
The Birth of String Theory Hardcover ? April 12, 2012 636 ページ
English Edition by Andrea Cappelli (編集), Elena Castellani (編集), & 2 more