Operational Characterization of Simultaneous Measurements in Quantum Mechanics
نویسنده
چکیده
Quantum mechanics predicts the joint probability distribution of the outcomes of simultaneous measurements of commuting observables, but, in the state of the art, has lacked the operational definition of simultaneous measurements. The question is answered as to when the consecutive applications of measuring apparatuses give a simultaneous measurement of their observables. For this purpose, all the possible state reductions caused by measurements of an observable is also characterized by their operations. PACS number: 03.65.Bz, 03.65.-w, 03.67.-a Typeset using REVTEX
منابع مشابه
ua nt - p h / 00 05 05 4 v 2 1 6 M ay 2 00 0 Operations , Disturbance , and Simultaneous Measurability
Quantum mechanics predicts the joint probability distributions of the outcomes of simultaneous measurements of commuting observables, but the current formulation lacks the operational definition of simultaneous measurements. In order to provide foundations of joint statistics of local general measurements on entangled systems in a general theoretical framework, the question is answered as to un...
متن کامل/ 00 05 05 4 v 1 1 5 M ay 2 00 0 Operations , Disturbance , and Simultaneous Measurability
Quantum mechanics predicts the joint probability distributions of the outcomes of simultaneous measurements of commuting observables, but the current formulation lacks the operational definition of simultaneous measurements. In order to provide foundations of joint statistics of local general measurements on entangled systems in a general theoretical framework, the question is answered as to un...
متن کاملQuantum Mechanics and the Mechanism of Sexual Reproduction
There are many claims that quantum mechanics plays a key role in the origin and/or operation of biological organisms. The mechanism of the meiosis, mitosis and gametes life cycle from the view-point of quantum for human has been represented. The quantum gates have been used to simulate these processes for the first time. The reason of several hundred sperms has been explained in the male too
متن کاملQuantum Mechanics and the Mechanism of Sexual Reproduction
There are many claims that quantum mechanics plays a key role in the origin and/or operation of biological organisms. The mechanism of the meiosis, mitosis and gametes life cycle from the view-point of quantum for human has been represented. The quantum gates have been used to simulate these processes for the first time. The reason of several hundred sperms has been explained in the male too
متن کاملua nt - p h / 99 07 07 3 v 1 2 2 Ju l 1 99 9 Continuous Variable Quantum Cryptography
We propose a quantum cryptographic scheme in which small phase and amplitude modulations of CW light beams carry the key information. The presence of EPR type correlations provides the quantum protection. Quantum cryptographic schemes use fundamental properties of quantum mechanics to ensure the protection of random number keys [1,2]. In particular the act of measurement in quantum mechanics in...
متن کامل