On the unitarity problem in space/time noncommutative theories

被引:169
作者
Bahns, D
Doplicher, S
Fredenhagen, K
Piacitelli, G
机构
[1] Univ Hamburg, Inst Theoret Phys 2, D-22761 Hamburg, Germany
[2] Univ Roma La Sapienza, Dipartimento Matemat, I-00185 Rome, Italy
[3] Univ Padua, Dipartimento Matemat Pura & Applicata, I-35131 Padua, Italy
关键词
D O I
10.1016/S0370-2693(02)01563-0
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
It is shown that the violation of unitarity observed in space/time noncommutative field theories is due to an improper definition of quantum field theory on noncommutative spacetime. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:178 / 181
页数:4
相关论文
共 11 条
[1]  
Aharony O, 2000, J HIGH ENERGY PHYS
[2]  
Alvarez-Gaumé L, 2001, J HIGH ENERGY PHYS
[3]  
BAHNS D, UNPUB
[4]  
CHU CS, HEPTH0201144
[5]   CLOSED STAR PRODUCTS AND CYCLIC COHOMOLOGY [J].
CONNES, A ;
FLATO, M ;
STERNHEIMER, D .
LETTERS IN MATHEMATICAL PHYSICS, 1992, 24 (01) :1-12
[6]   THE QUANTUM STRUCTURE OF SPACETIME AT THE PLANCK-SCALE AND QUANTUM-FIELDS [J].
DOPLICHER, S ;
FREDENHAGEN, K ;
ROBERTS, JE .
COMMUNICATIONS IN MATHEMATICAL PHYSICS, 1995, 172 (01) :187-220
[7]   Space-time noncommutative field theories and unitarity [J].
Gomis, J ;
Mehen, T .
NUCLEAR PHYSICS B, 2000, 591 (1-2) :265-276
[8]  
KRISTINSEN P, 1952, MAT FYS MEDD, V27, P7
[9]   CAN S-MATRIX BE DEFINED IN RELATIVISTIC QUANTUM FIELD-THEORIES WITH NONLOCAL INTERACTION [J].
MARNELIUS, R .
PHYSICAL REVIEW D, 1974, 10 (10) :3411-3430
[10]   D-branes and deformation quantization [J].
Schomerus, V .
JOURNAL OF HIGH ENERGY PHYSICS, 1999, (06) :XXXX-13