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Journal of Yanbian University

Schrdinger's Cat

Zhao Zhen-shuang

Published Jan 1, 2008• 0 citations
OpenAlex

Abstract

The progress of Schrdinger's cat states in the fields of quantum mechanics and scientific philosophy are summarized.Schrdinger's cat states are relevant to the fundamental problems of quantum mechanics —completeness problems of quantum mechanics,they have immense effects to the development of physics and philosophy.The study of Schrdinger's cat can help us to understand the nature of quantum mechanics.

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The progress of Schrdinger's cat states in the fields of quantum mechanics and scientific philosophy are summarized.Schrdinger's cat states are relevant to the fundamental problems of quantum mechanics —completeness problems of quantum mechanics,they have immense effects to the development of physics and philosophy.The study of Schrdinger's cat can help us to understand the nature of quantum mechanics.
Schrdinger's cat paradox is superficial look like a philosophical problem in quantum mechanics,actually involves some debates of the basic philosophical problems in the studies of philosophy of science,such as subjectivism vs.objectivism,realism vs.anti-realism.In the recent years,the progress in the studies of Schrdinger's cat paradox have made the cat entanglement state and its decoherence effect become no longer debatable instead observable behavior of physical world,which prompts the studies of basic philosophical problems involved quantum theory among different philosophical school.
Quantum theory is so shocking that Einstein could not bring himself to accept it. It is so important that it provides the fundamental underpinning of all modern sciences. Without it, we'd have no nuclear power or nuclear weapons, no TV, no computers, no science of molecular biology, no understanding of DNA, no genetic engineering. In Search of Schrodinger's Cat tells the complete story of quantum mechanics, a truth stranger than any fiction. John Gribbin takes us step by step into an ever more bizarre and fascinating place, requiring only that we approach it with an open mind. He introduces the scientists who developed quantum theory. He investigates the atom, radiation, time travel, the birth of the universe, superconductors and life itself. And in a world full of its own delights, mysteries and surprises, he searches for Schrodinger's Cat - a search for quantum reality - as he brings every reader to a clear understanding of the most important area of scientific study today - quantum physics. In Search of Schrodinger's Cat is a fascinating and delightful introduction to the strange world of the quantum - an essential element in understanding today's world.
Quantum mechanics is an important understanding of modern physics, and one of China’s first quantum experimental satellites is also launched in July of this year, but around the confusion about the interpretation of quantum philosophy, yet there has not a perfect answer today. “Schrodinger’s cat” is put forward by the Austrian physicist Schrodinger in 1935; it is a name for a quantum state, its production not only has its specific physical incentives, but also has the corresponding philosophical roots. Everett, the author of the “multi-world explanation”, explains that the explanation of “multi-world explanation” to the quantum philosophy from the point of view of Schrodinger’s cat in physics has not only helped us understand the nature of quantum mechanics, to solve the philosophical controversy that has revolved around quantum mechanics, but also deepened our understanding of multi-world interpretations where physics and philosophy blend. This article starts with the famous experiment Schrödinger’s Cat and then tells us two well-known answers to quantum mechanics in the history, that is the Copenhagen Interpretation and the Multi-World Interpretation. By comparing the differences between the two, it emphasis on the correctness of the “multi-world interpretation”. Then it can deepen our understanding of the concept of “Schrodinger’s Cat”, “Quantum Mechanics” and multi-world interpretations.
For a system composed of a cavity with a movable mirror(treated as a quantum harmonic oscillator with frequency ωm) and a single mode field in the cavity,the time evolution operator of the system is given,which is obtained by means of full quantum theory in the Schrdinger picture. The result shows that the state of the cavity field at the moment can give a variety of multicomponent Schrdinger cat states when the mirror returns to its original state,which are different from those in the published literature,and the desired Schrdinger cat state can be chosen by adjusting the frequency of the single mode cavity field.
The most discussed of ``live'' metaphors in physical sciences is that of the Schrödinger cat. Introduced in the early, but mature days of the new quantum theory, in 1935, the parable of the cat has provoked and enlivened debates on the meaning of the quantum theory, on the ontology of the quantum wavefunction, on the puzzle of the collapse of the wavefunction, on the meaning of quantum measurement, and on the boundary between the quantum world and the classical world. In this article, I will discuss these issues of the quantum theory focussing on various aspects of the metaphor of the Schrödinger cat.