Stochastic quantum mechanics viewed from the language of manuals

Ramabhadra Vasudevan

Ishtiaq Ahmed

This is the solution manual for Riazuddin's and Fayyazuddin's Quantum Mechanics (2nd edition). The questions in the original book were selected with a view to illustrate the physical concepts and use of mathematical techniques which show their universality in tackling various problems of different physical origins. This solution manual contains the text and complete solution of every problem in the original book. This book will be a useful reference for students looking to master the concepts introduced in Quantum Mechanics (2nd edition).

Lars Löfgren

Language has to be conceived wholistically. Fragmented views, provoked by attempts at describing language, turn out essentially distortive on the general phenomenon which language is, with species like genetic language, programming language, formal language, observation language, inner cerebral language, external communication language. At the center of this wholism is a linguistic complementarity which obtains for every language. It reflects a linguistic realism where communicability plays a role which may be compared with that of experimentability for aphysical realism. Complementarity concepts of Bergson, Bohr, and Pauli all turn out reducible to the linguistic complementarity. Certain issues within the philosophy of quantum mechanics are viewed from the position of linguistic realism. A linguistic embedding of quantum mechanics is suggested. The Pauli-Bohr dialogue on the nondetachability of the observer is compared with the nondetachability of language, one of fourexposed views of the linguistic complementarity. Another implies nondescribability, but conceivability, of realities. It is further developed in terms of a linguistic model for existential perceptions. It compares well with reality conceptions of Bergson, Pauli, and Laurikainen.

Walter Lehr

Shiro Ishikawa

Recently we proposed “a new interpretation of quantum mechanics (called quantum and classical measurement theory)” in this journal (JQIS: Vol. 1, No. 2), which was characterized as the metaphysical and linguistic turn of quantum mechanics. This turn from physics to language does not only realize the remarkable extension of quantum mechanics but also yield the quantum mechanical world view (i.e., the philosophy of quantum mechanics). And thus, the turn urges us to dream that traditional philosophies (i.e., Parmenides, Plato, Aristotle, Descartes, John Locke, Berkeley, Hume, Kant, Saussure, Wittgenstein, etc.) can be understood in the quantum mechanical world view. This dream will be challenged in this paper. We, of course, know that most scientists are skeptical to philosophy. Still, we can expect that readers find a good linguistic philosophy (i.e. philosophy of language) in quantum mechanics.