(The narrative around the various mathematical and physical techniques broadly known as quantum mechanics has suffered due to the influence of social pressures. The incredible strengths of the theories and their predictive powers have become subject to a number of sensationalized story lines, which we refer to here as “quantum mysticism”. In this paper we demonstrate a three-pronged counterattack which combats these forces. A precise use of terms coupled with an accurate and intuitive way to describe the behavior of discrete and microscopic phenomenon effectively demystifies quantum mechanics. We don't go into the mathematical details here to keep our discussion accessible to the layperson. After our demystification the discipline withholds its incredible predictive power without scaring away a rational thinker. In fact quantum mechanics is an entirely rational, intuitive, and accessible discipline. The world is full of mystery; however, a discipline devoted to quantifying and rationalizing behaviors of certain specific systems is hardly the place to go searching for mystery.) 由于社会压力的影响,围绕着各种数学和物理技术的叙述而被熟知的量子力学遇到了挫折。这些理论及其预测能力的不可思议的力量已经变成了一些耸人听闻的故事情节,我们称之为“量子神秘主义”。本文对这些力量进行了三方面的反击。精确的使用准确的术语,用直观的方法描述离散和微观现象的行为,这有效地揭开了量子力学的神秘面纱。我们不会在这里讨论数学细节,以使我们的讨论能够被普通人所理解。在我们揭开了这个学科的神秘性之后,它拥有了不可思议的预测能力,同时又不会吓跑一个理性的思考者。事实上,量子力学是一个完全理性的、直观的、易于理解的学科。这个世界充满了神秘;然而,这门学科致力于对某些特定系统的行为进行量化和合理化,并不是去寻找神秘事物的地方
(The narrative around the various mathematical and physical techniques broadly known as quantum mechanics has suffered due to the influence of social pressures. The incredible strengths of the theories and their predictive powers have become subject to a number of sensationalized story lines, which we refer to here as “quantum mysticism”. In this paper we demonstrate a three-pronged counterattack which combats these forces. A precise use of terms coupled with an accurate and intuitive way to describe the behavior of discrete and microscopic phenomenon effectively demystifies quantum mechanics. We don't go into the mathematical details here to keep our discussion accessible to the layperson. After our demystification the discipline withholds its incredible predictive power without scaring away a rational thinker. In fact quantum mechanics is an entirely rational, intuitive, and accessible discipline. The world is full of mystery; however, a discipline devoted to quantifying and rationalizing behaviors of certain specific systems is hardly the place to go searching for mystery.) 由于社会压力的影响,围绕着各种数学和物理技术的叙述而被熟知的量子力学遇到了挫折。这些理论及其预测能力的不可思议的力量已经变成了一些耸人听闻的故事情节,我们称之为“量子神秘主义”。本文对这些力量进行了三方面的反击。精确的使用准确的术语,用直观的方法描述离散和微观现象的行为,这有效地揭开了量子力学的神秘面纱。我们不会在这里讨论数学细节,以使我们的讨论能够被普通人所理解。在我们揭开了这个学科的神秘性之后,它拥有了不可思议的预测能力,同时又不会吓跑一个理性的思考者。事实上,量子力学是一个完全理性的、直观的、易于理解的学科。这个世界充满了神秘;然而,这门学科致力于对某些特定系统的行为进行量化和合理化,并不是去寻找神秘事物的地方
The narrative around the various mathematical and physical techniques broadly known as quantum mechanics has suffered under the influence of various social pressures. The incredible strengths of the theories and their predictive powers have thus become subject to a number of sensationalized storylines, which we refer to here as quantum mysticism. In this paper we demonstrate a three pronged counterattack which combats these forces. A precise use of terms coupled with an accurate and intuitive way to describe the behavior of discrete and microscopic phenomenon effectively demystifies quantum mechanics. We don't go into mathematical details, to keep our discussion accessible to the layperson. After our demystificaion the discipline witholds its incredible predictive power without scaring away a rational thinker. In fact quantum mechnics is entirely a rational, intuitive, and learnable discipline, no more subject to mysticism than any other aspect of the world around us. If you think you don't understand quantum mechanics, it's probably because you don't understand quantum mechanics.
The Quantum theory deals with the microscopic structure of the Universe that describes the finer details of nature at the subatomic domain.To a physicist, quantum mechanics is one of the three great pillars supporting our intuition of evocative, bewildering and fascinating natural World as we continuously struggle with the inescapable strangeness of the subatomic domain as if something strange is always afoot.It is well accepted fact that quantum mechanics is a physical theory that describes the way things behave at subatomic level which is quite dazzling in its precision and explanatory power.A test of quantum electrodynamics, the oldest and best understood of the modern quantum theory that involves measuring the way an electron behaves in the vicinity of a magnetic force. Many of the technological and social changes that have revolutionized our lives have actually risen out of the fundamental theoretical research carried out with only motivation to understand the World in a better way than ever. For example, the invention of transistor actually came with the fundamental theoretical research on the Uncertainty Principle which states that the uncertainty of the position of a particle times the uncertainty of its velocity is always a constant. If we double the certainty of the position of the particle, we have to make half the certainty of its velocity and vice versa. Quantum theory is perhaps the prime example of the infinitely esoteric in the sense that it describes a World in which a particle really can be in several places at once and it moves from one place to another by exploring the entire Universe simultaneously-the theory of simultaneity. The diverse and complex Universe is actually made of a few tiny particles according to the rules of quantum theory which is so simple that can be summarized on the back of an envelope. The more we understand about the elemental nature of the Universe, the simpler it looks. We have already discovered that everything in the diverse and complex Universe is nothing but the different assemblies of atoms, and the wide variety of atoms are constructed using the three building blocks at the sub-atomic domain i.e. subatomic particles: protons, neutrons and electrons. We have also discovered that protons and neutrons ate made up of combination of three entities called quarks. And that is where things stop as far as recent discovery is concerned. But the recent progress in particle physics inspiring the quest for the ultimate unified theory of physics that can describe everything in the Universe in one go. The discovery of Boson particle certainty will revolutionaries the Newton's mass concept and gravity into whole new looks. To an optimistic point of view, we must hope the best out of the progress in physics.
The difficulties of the old quantum theory were largely dispelled by the development of quantum mechanics in the 1920s. First Heisenberg (1925) developed the rather abstract matrix mechanics and soon after Schro¨dinger (1926; see also Eckart, 1926) developed the physically more appealing wave mechanics. Subsequently he showed them to be mathematically equivalent. The physicists were greatly relieved; now they had once again a mathematical formalism that enabled the results of experiments to be calculated. It was possible to move forward. It is certainly a very elegant and indeed beautiful formalism, and does enable the results of many physical measurements to be calculated with great accuracy. It is used daily by atomic and nuclear physicists; there is no other way to make calculations. From the earliest days there has been intense debate about the interpretation of quantum mechanics, and it shows no signs of being settled; if anything it is becoming more intense over the years. As Penrose has remarked, no one understands quantum mechanics. Feynman (1967; see also Sykes, 1994) also admitted that ‘nobody understands quantum mechanics’, and Einstein once remarked: ‘I have thought a hundred times as much about the quantum problems as I have about general relativity theory’ (Pais, 1994, p. 57). It should therefore be evident that the most that can be done here is to try to show where the real difficulties lie, and how the failure to recognize that quantum mechanics is an essentially statistical theory has led to a series of confusing quantum paradoxes. It is just these paradoxes that have often been used to support theological speculations. It is useful to ask what ‘understanding quantum mechanics’ actually means. Certainly it means being able to calculate the results of many measurements. The same applies to Newton’s theory of gravitation, which we understand in the sense that we can use it as a basis of calculation, although we do not really understand the gravitational force itself. Very often, especially in modern physics, the mathematical formalism does not give us the sort of intuitive physical feeling for what is going on that we often obtain from classical mechanics. Perhaps we can never achieve more than this for quantum mechanics. In classical mechanics we can assume that a property that is measured objectively exists prior to the interaction of the measuring apparatus with the observed system. Quantum mechanics, however, ‘is incompatible with the proposition that measurement discovers some unknown but pre-existing property’ (Peres, 1997, p. 14). There is an important distinction between mysteries and absurdities. We may be forced to live with mysteries, but there is no reason why we should put up with absurdities such as the wave-particle duality, tunnelling through potential barriers, acausal events and the collapse of the wave function. These are the quantum paradoxes that will be discussed later on. They arise within the Copenhagen interpretation of quantum mechanics and are solved by other interpretations. These alternative interpretations enable us to make conjectures about what is going on, even though we cannot understand it in detail. This is acceptable and a stimulus to further research. It is certainly difficult enough to understand quantum mechanics, but there is no need to try to visualize logical absurdities in the effort to do so. Quantum mechanics is a mathematical formalism that makes it possible to calculate the results of some experiments. Anything more than this, such as questions about the interpretation of what is measured and whether it tells us what is actually going on in the system being studied, belongs to philosophy. Thus we are concerned here with what is essentially a philosophical debate; if it were just a matter of physics the debate would have been settled long ago. One of the difficulties is that it invokes the results of experiments and uses the language of quantum mechanics. Inevitably this language uses philosophical terms and then it is easy to give the impression that the philosophical propositions are in some way entailed by the physical results. These in turn can influence theological thinking. In order to be quite clear which arguments are justified and which are not, it is essential to separate the three levels of discourse: physical, philosophical and theological. Our task is to relate these together, and this immediately raises the traditional problems of the philosophy of science, including the relation of experiment to theory, and of theory to explanation. We begin by discussing experiments, distinguishing between those that are real and those that are imaginary.
The behavior of classical macroscopic particles – from baseballs to planets – is governed by Newtonian mechanics as we have described in the first chapters of this book. The behavior of very small particles, on the other hand, is governed by an entirely different collection of equations and rules that go under the name of “quantum mechanics” and these particles are referred to as quantum particles. These rules have analogies to classical mechanics, but are fundamentally different and somewhat mysterious as we discussed in Chapter 8. The fundamental principles of quantum mechanics cannot be proven to be correct. They were developed based on the results of experimental observation, by analogy with classical mechanics, and through the consideration of logical implications of the formalisms used. There is no way to derive the fundamental elements of quantum mechanics, any more than one could predict from first principles that Newtonian forces should add as vectors. On the other hand, quantum mechanics is among the most rigorously tested theories in science, and the predictions of quantum mechanics have, so far, always been in agreement with experiment. In this chapter, we will present quantum mechanics as a series of postulates and examine their implications in application to simple one-dimensional systems. In the next chapter we will examine quantum effects in real systems including atoms, molecules, crystals, and artificially engineered nano-structures. Postulates of quantum mechanics QM Postulate 1: A quantum particle is described by a wave function Ψ( x , y , z , t ) which is a function of spatial coordinates and time. All physically determinable quantities can be derived from the wave function Ψ( x , y , z , t ) ; quantities which cannot be found from the wave function are not physically meaningful. Note that some things that one could ask about a quantum particle, for example the exact position and simultaneous exact momentum of a particle, are not derivable from the wave function and are therefore considered indeterminate (or uncertain ). These are things which cannot ever be known about a particle, and, as such, they are meaningless to contemplate.
Quantum physics is the golden child of modern science. It is the basis of our understanding of atoms, radiation, and so much else, from elementary particles and basic forces to the behavior of materials. But for a century it has also been the problem child of science as it has been overwhelmed by intense disagreements between its inventors, strange paradoxes, and implications that seem like the stuff of fantasy. To understand the universe, quantum physics explores the behavior of the smallest particles in existence like quarks, electrons, and photons and which revealing a world that defies our everyday experiences and expectations. On the other hand, quantum mechanics (QM) is a fundamental theory in physics that describes the behavior of matter and energy at the atomic and subatomic levels, where classical physics fails to apply. However, the phenomena observed in QM can seem nothing short of miraculous. Physicists are trying to explain miracles of physics of universe meticulously which governed by precise scientific principles and mathematical equations. It is serious to modern technology, as its principles as well as wave-particle duality, superposition, and entanglement form the basis for electronics, computing, and medical technologies. The truth of QM in a scientific context refers to its exceptional ability to accurately describe and predict experimental results, not a philosophical ‘absolute truth’. Interestingly, the scientific elucidation of creation through quantum physics does not refute and contradict spiritual or religious narratives, rather augments our gratitude of the universe’s complexity and towards Almighty or Creator. The Bible’s or Quran’s account of creation provides a spiritual and philosophical outlook, accentuating purpose and intentionality. The precise explanations of particle behavior and cosmic formation in quantum physics, offers a balancing view grounded in empirical evidence. The purpose of this investigative study is to explore the scientific reality of QM and its purpose to depict the technical advancement for the development of modern civilization along with understand of universe in more logical way.