THE N-LOOP STRING AMPLITUDE - EXPLICIT FORMULAS, FINITENESS AND ABSENCE OF AMBIGUITIES

被引：37

作者：

MANDELSTAM, S

机构：

[1] Department of Physics, University of California, Berkeley

来源：

PHYSICS LETTERS B | 1992年 / 277卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0370-2693(92)90961-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Explicit formulas are obtained for the n-loop scattering amplitudes of N external tachyons in the Bose closed-string theory and in the type-II superstring theory. The superstring amplitudes are shown to be finite and free of ambiguities.

引用

页码：82 / 88

页数：7

共 19 条

[1] CATOPTRIC TADPOLES [J].

ATICK, JJ ;

MOORE, G ;

SEN, A .

NUCLEAR PHYSICS B, 1988, 307 (02) :221-273

[2] SUPERSHEET FUNCTIONAL-INTEGRATION AND THE INTERACTING NEVEU-SCHWARZ STRING [J].

BERKOVITS, N .

NUCLEAR PHYSICS B, 1988, 304 (03) :537-556

[3] CALCULATION OF SCATTERING-AMPLITUDES FOR THE NEVEU-SCHWARZ MODEL USING SUPERSHEET FUNCTIONAL-INTEGRATION [J].

BERKOVITS, N .

NUCLEAR PHYSICS B, 1986, 276 (3-4) :650-666

[4] CONFORMAL SCALAR FIELDS AND CHIRAL SPLITTING ON SUPER RIEMANN SURFACES [J].

DHOKER, E ;

PHONG, DH .

COMMUNICATIONS IN MATHEMATICAL PHYSICS, 1989, 125 (03) :469-513

[5]

DIVECCHIA P, 1987, PHYS LETT B, V199, P491

[6]

FRAY JD, 1973, LECTURE NOTES MATH, V352

[7] CONTACT INTERACTIONS IN CLOSED SUPERSTRING FIELD-THEORY [J].

GREENSITE, J ;

KLINKHAMER, FR .

NUCLEAR PHYSICS B, 1987, 291 (03) :557-582

[8] UNAMBIGUOUS FERMIONIC-STRING AMPLITUDES [J].

LA, HS ;

NELSON, P .

PHYSICAL REVIEW LETTERS, 1989, 63 (01) :24-27

[9]

MANDELSTAM S, 1985, UNIFIED STRING THEOR

[10]

MANDELSTAM S, 1987, 7TH UK I THEOR HIGH

← 1 2 →