PROOF OF PAGES CONJECTURE ON THE AVERAGE ENTROPY OF A SUBSYSTEM

被引:140
作者
FOONG, SK
KANNO, S
机构
[1] Department of Physics, Ibaraki University
关键词
D O I
10.1103/PhysRevLett.72.1148
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Page conjectured very recently [Phys. Rev, Lett. 71, 1291 (1993)] that if a quantum system of Hilbert space dimension mn is in a random pure state, the average entropy of a subsystem of dimension m less than or equal to n is given by Sm,n = Sigma(k=n1)(mn)1/k-m-1/2n. We outline a proof of this elegant formula.
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页码:1148 / 1151
页数:4
相关论文
共 3 条
[1]  
AYRES F, 1962, SCHAUMS OUTLINE THEO, P31
[2]  
KANNO S, IN PRESS
[3]   AVERAGE ENTROPY OF A SUBSYSTEM [J].
PAGE, DN .
PHYSICAL REVIEW LETTERS, 1993, 71 (09) :1291-1294