SIMPLE QUANTUM-SYSTEMS IN SPACETIMES WITH CLOSED TIME-LIKE CURVES

被引：49

作者：

POLITZER, HD

机构：

[1] California Institute of Technology, Pasadena

来源：

PHYSICAL REVIEW D | 1992年 / 46卷 / 10期

关键词：

D O I：

10.1103/PhysRevD.46.4470

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Three simple examples illustrate properties of path-integral amplitudes in fixed background space-times with closed timelike curves: nonrelativistic potential scattering in the Born approximation is nonunitary, but both an example with hard spheres and the exact solution of a totally discrete model are unitary.

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页码：4470 / 4476

页数：7

相关论文

共 15 条

[1]

BOULWARE DG, IN PRESS PHYS REV D

[2] QUANTUM-MECHANICS NEAR CLOSED TIME-LIKE LINES [J].

DEUTSCH, D .

PHYSICAL REVIEW D, 1991, 44 (10) :3197-3217

[3] BILLIARD BALLS IN WORMHOLE SPACETIMES WITH CLOSED TIME-LIKE CURVES - CLASSICAL-THEORY [J].

ECHEVERRIA, F ;

KLINKHAMMER, G ;

THORNE, KS .

PHYSICAL REVIEW D, 1991, 44 (04) :1077-1099

[4]

FRIEDMAN JL, INPRESS PHYS REV D

[5]

FRIEDMAN JL, IN PRESS PHYS REV D

[6] VACUUM POLARIZATION IN A LOCALLY STATIC MULTIPLY CONNECTED SPACETIME AND A TIME-MACHINE PROBLEM [J].

FROLOV, VP .

PHYSICAL REVIEW D, 1991, 43 (12) :3878-3894

[7] CLASSICAL AND QUANTUM SCATTERING ON A SPINNING CONE [J].

GERBERT, PD ;

JACKIW, R .

COMMUNICATIONS IN MATHEMATICAL PHYSICS, 1989, 124 (02) :229-260

[8]

HARTLE JB, 1992, UCSBTH9204 U CAL SAN

[9] CHRONOLOGY PROTECTION CONJECTURE [J].

HAWKING, SW .

PHYSICAL REVIEW D, 1992, 46 (02) :603-611

[10] DO VACUUM FLUCTUATIONS PREVENT THE CREATION OF CLOSED TIME-LIKE CURVES [J].

KIM, SW ;

THORNE, KS .

PHYSICAL REVIEW D, 1991, 43 (12) :3929-3947