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Could this essay's first half be considered an indulgence of my childhood fascination with nature? That argument could have merit, but I have always been a "big picture" kind of thinker, even as a teenager. I am writing this essay primarily to help manifest FE technology in the public sphere and help remedy the deficiencies in all previous attempts that I was part of, witnessed, heard of, or read about. The biggest problem, by far, was that those trying to bring FE technology to the public had virtually no support from the very public that they sought to help. My journey's most important lesson was that , and an egocentric humanity living in scarcity and fear is almost effortlessly manipulated by the social managers. John Q. Public is only interested in FE technology to the extent that he can immediately profit from it. Otherwise, he goes back to watching his favorite TV show. It took many years of disillusionment for that to finally become clear to me. While this essay and all of my writings are provided for free to humanity and anybody can read them, I intend to only reach a very tiny fraction of humanity with my writings, but that tiny fraction will be sufficient for my plan to succeed. The readers that I seek have a formidable task ahead of them, but nothing less is required for my approach to have any hope of bearing fruit. This essay and my other writings are intended as a course in (also called "big picture") thinking. Studying the details deeply enough to avoid misleading superficial understandings is also a key goal. I am an accountant by profession, but one of the world's leading paleobiologists surprisingly read an early draft of this essay and informed me that it was one of the best efforts that he ever saw on the journey of life on Earth. There was nobody on Earth whose opinion I would have respected more than his, so I do not think that I am asking readers of this essay's first half to humor me. Every sentient being on Earth should know the rudiments of what this essay's first half covers.

The wave function essays in the metaphysics of quantum mechanics

The wave function essays on the metaphysics of quantum mechanics ..

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This is simply the most fascinating course I have done with the OU to date. One where you make a key transition in your study of physics: from relying on your physical intuition to inform the maths; to relying on the mathematics to tell you what your intuition should be!

Starting with wave mechanics, you get taken step-by-step up to using the formalism to analyse in full the energy levels in 'real' atoms, molecular bonding, tests of fundamental parts of quantum theory that fly in the face of normal experience and how electron behaviour in solids accounts for conductivity, appearance and physical attributes. The course is, necessarily, heavily mathematical and a solid understanding of MST209 is a real must.

This course includes an extended section on the fascinating area of quantum information. It also covers the Dirac notation, which is often listed as a pre-requisite for post-graduate courses in physics with the caveat that it is absent in many undergraduate programmes.

The teaching on this course is excellent - and there are features that I believe were new for 2009. The computer marked assignments, whilst only formative, are excellent for testing and correcting your understanding. Quantum mechanics is a very counter-intuitive field and so opportunities to test your grasp of it are golden. The computer system is very good at assessing what you've done and giving you appropriate hints to allow you to reach the solution yourself, rather than passively looking it up when you don't get it fully correct. There is also an extensive package of e-tutorials, both national and within your tutor group, where the excellent course tutors really draw out, emphasize and clarify the main concepts, themes and methods. These tutorials are live, so you can ask questions and discuss the material with the tutors and students (by text) whilst they are taking place. There are also a selection of face-to-face tutorials and a couple of fantastic day schools.

My only criticism of the course is that perhaps too much has been squeezed into it for a 30pt course. I understand why this is so - quantum mechanics forms the backbone of modern physics. Indeed, I am glad that I got to learn so much about the subject, which will be essential as I intend to pursue postgraduate study. It's just that I'd like to have seen it made into a larger course (or split into two smaller ones), keeping everything in it and extending a little more into solid-state physics. This is a key area of physics (usually expected in an undergraduate degree) and is sadly, other than a few chapters in SM358, missing from the OU's physics offering.

All-in-all a fascinating, well-delivered course. Be prepared for a voyage into the fantastic!

CiteSeerX — Extended quantum mechanics

"Geometry is a mathematical language close to our intuition built on our experience of the world. As such, it induces a feeling of familiarity, at least for many mathematically motivated people. And though this familiarity might be a source of misleading ideas, it makes various technical tools more understandable and practical than abstract mathematical constructions. But also, as a language, geometry is often able to express mathematical ideas at various levels of rigor, depth and concreteness. A book written in this language can be a combination of forms. It can be a rigorous essay, a historical account, a story and even a poem. The present book is all of these. The authors write with the same enthusiasm and mastery that an experienced novelist could use to express his life experiences, with passion, memories and novelty. The material in the book is closely related to the extensive research of the authors, if not directly emanating from this. The subjects covered have a common theme—the geometric ideas, concepts and tools that are deeply related to and strongly provide the framework of classical dynamics and quantum mechanics. For the whole presentation, reference points are linearity, symmetry, invariant structures and integrability...

The general impression given is that, as an old mathematician once said, the book contains everything and a little more. It is offered for a comprehensive exposition of the use of geometrical tools in the study of both classical and quantum systems. It would be very useful to a motivated student or a researcher wishing to adopt the geometrical framework in his/her work. Each chapter contains an extensive bibliography, old and current, doing justice to the various possible directions of study."

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The greatest scientists readily admitted that the theories and data of physics, that hardest of the hard sciences, drew highly limited descriptions of reality, and those scientists were usually, to one extent or another, . If textbook science falls far short of explaining reality, what can be said within its framework that is useful? Plenty. Our industrialized world is based on textbook science and feats such as putting men on the Moon were performed within the parameters of textbook science. With the waning of overspecialization and overreliance on reductionism in the last decades of the 20th century, multidisciplinary works have proliferated and will tend to dominate the references for this essay. I have found them not only very helpful for my own understanding, but they are appropriate references for a generalist essay. I have also avoided scientific terminology when feasible. For example, I use “seafloor” instead of “,” and if a non-specialized term will suffice for a scientific concept, I will often use it.

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Consciousness and Quantum Mechanics Copyright 1988 Thomas J

Complex networks describe a wide variety of systems in nature and society, as chemical reactions in a cell, the spreading of diseases in populations or communications using the Internet. Their study has traditionally been the territory of graph theory, which initially focused on regular graphs, and was extended to random graphs by the Hungarian mathematicians Paul Erdos and Alfred Renyi in a series of seminal papers in the 1950s and 1960s. With the improvement of computer power and the emergence of large databases, thosetheoretical models have become increasingly important. In the past few years, they have also given rise to new models that describe properties that seem universal in real networks, as a small-world or a scale-free behavior. One expects that in the near future quantum networks will be developed in order to achieve, for instance, perfectly secure communications. Those networks will be based on the laws of Quantum Mechanics, and thus, will offer us new opportunities and phenomena as compared to their classical counterpart. In fact, in the previous period we showed that quantum phase transitions may occur in the entanglement properties of regular quantum networks and that the use of joint strategies may be beneficial in order to establish the entanglement which is useful, for example, for quantum teleportation between different nodes. In the last year we have introduced a simple model to describe complex quantum networks and show that they exhibit some totally unexpected properties (see Fig. 2). In fact, we obtained a completely different classification of the behavior as compared to what one would expect from a complex classical network. In particular, in a network of N nodes, if the entanglement present between any pairs of nodes scales as 1/N2, any arbitrary quantum state (and therefore correlation subgraph) among a subset of nodes can be generated by local operations and classical communication. This result opens new perspectives in the study of quantum networks and their applications. This work was done in collaboration with Antonio Acin and Maciej Lewenstein.

Quantum mechanics essay

Authors: Declan Traill Comments: 24 Pages