VOLUME 35, NUMBER 6, PART II DECEMBER 1997



Operator Space of a Quantum System


Keh-Ning Huang

Institute of Atomic and Molecular Sciences, Academia Sinica
P.O. Box 23-166, Taipei, Taiwan 106, R.O.C., and
Department of Physics, National Taiwan University
Taipei, Taiwan 106, R.O.C.


(Received October 16, 1997)


All linear operators of a quantum system form a linear operator space. We define the inner product of two operators in the operator space and present the concepts of orthogonality and normalization of operators. Quantum description of a physical system in the operator space is demonstrated briefly.



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