This paper reviews the development course of QM in the 20th century,and summarizes the main idea,method and character of QM in every period.It also looks into the prospects of QM in the new century.
Abstract In this mini-review, we briefly summarize some of the main concepts and ideas behind highly dilute self-bound quantum droplets of both binary and dipolar character. The latter type of systems has more recently led to the experimental discovery of a dipolar supersolid state that allows entirely new insights on this long-sought purely quantum state of matter, with exciting prospects for fundamental research as well as future applied quantum sensing technologies. The first half of the review provides a brief history of droplets and supersolidity in various settings and also discusses the self-binding in binary quantum gases, and the second half of the review summarizes our own recent work in the field, presented at the 2022 FQMT conference in Prague.
Abstract We present the current state of quantum mechanics, the prospects for its development, and the strengthening of its influence on scientific and technological progress. We look at quantum mechanics from four perspectives. The first perspective astonished physicists already with the advent of quantum mechanics—it is (1) a new way of looking at the world. Over the course of a hundred years of development, quantum mechanics has acquired three more perspectives: (2) an independent field of knowledge, (3) a new physical theory, and (4) a radical change in paradigm in the history of human thought. We have named the new paradigm “neo-Copenhagen” to emphasize both its development from and its continuity with the Copenhagen interpretation. We review the problems of quantum mechanics: how experimental research progresses, how basic concepts develop, how practical applications of paradoxical ideas expand. We indicate ways to solve three Ginzburg’s “great” problems. We formulate the features of the neo-Copenhagen paradigm that have already emerged. We present a look at the future of science and technology on the three time scales.
The article deals with the origins and development, in the first quarter of the 20th century, of the fundamental ideas advanced by Planck and Einstein and by Bohr and de Broglie concerning the quantum of action, the quanta of energy and the quanta of light, the stationary states of atomic systems and jumplike transitions between them, the correspondence principle, and the particle-wave dualism. It is shown how the development of the quantum concepts have led to two approaches to the creation of quantum mechanics by Heisenberg, Born, and Dirac in algebraic form and by Schrodinger in analytic form. The main stages in the evolution of nonrelativistic quantum mechanics are described, namely the development of wave mechanics and matrix mechanics, the proofs of their equivalence, the physical interpretation of the wave function, the generalized formulation of quantum mechanics as a unified theory, and the discovery of the uncertainty relations. The most important trends in the development of quantum mechanics in the course of its evolution are considered. A complete bibliography of the main period of evolution of quantum mechanics (July 1925–March 1928), classified by topics and by time of publication, is included.