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por Marc Humphrey PhD

Quantum physics explores the behavior of matter and energy at the molecular, atomic, nuclear, and even smaller levels. Idiot's Guides: Quantum Physics makes this very complex topic easy to understand. It skips the complicated math and dives right into all the concepts, paradoxes, thought experiments, and implications that make quantum mechacs so fascinating to armchair science buffs. Topics covered include:

- Quantum vs. classical physics
- A look at the smallest known see more particles
- How the tiniest particles behave both as particles and waves
- The famous double-slit experiment
- Quantum wave function
- The Heisenberg Uncertainty Principle
- How particles can be in multiple places at once
- Quantum entanglement
- The Schrodinger's cat thought experiment
- Competing interpretations of quantum physics
- The Copenhagen interpretation and need for an observer
- The role of consciousness in quantum theory
- The Many Worlds interpretation and parallel universes
- Building a quantum computer
- Quantum gravity and the search for a theory of everything

por Book 185

This book presents the deterministic view of quantum mechanics developed by Nobel Laureate Gerard 't Hooft.Dissatisfied with the uncomfortable gaps in the way conventional quantum mechanics meshes with the classical world, 't Hooft has revived the old hidden variable ideas, but now in a much more systematic way than usual. In this, quantum mechanics is viewed as a tool rather than a theory.
The author gives examples of models that are classical in essence, but can be analysed by the see more use of quantum techniques, and argues that even the Standard Model, together with gravitational interactions, might be viewed as a quantum mechanical approach to analysing a system that could be classical at its core. He shows how this approach, even though it is based on hidden variables, can be plausibly reconciled with Bell's theorem, and how the usual objections voiced against the idea of ‘superdeterminism' can be overcome, at least in principle.

This framework elegantly explains - and automatically cures - the problems of the wave function collapse and the measurement problem. Even the existence of an “arrow of time" can perhaps be explained in a more elegant way than usual. As well as reviewing the author’s earlier work in the field, the book also contains many new observations and calculations. It provides stimulating reading for all physicists working on the foundations of quantum theory.

por Klaus Fröhlich

The symbiotic model of quantum physics considers mathematical, scientific and philosophical principles and makes testable predictions. When measuring no particle develops, but a stable control system. The control system forms from quantum information and the control system acts on quantum information (monism). The necessary information and properties are developed in an evolutionary process of perception and innovation. 1. The control system observes the laws (of the lower system level). -> see more Thus the symmetry law is always obeyed. (quantum information) 2. The control system restricts the possibilities and ensures stability of a value. (e.g. position) 3. The control system ensures stability in time. 4. Equal constructed control systems have the same effect. -> The control system enables repeatability (of the measured vale) and copyability (of the control systems).

por Michael G. Raymer

Around 1900, physicists started to discover particles like electrons, protons, and neutrons, and with these discoveries believed they could predict the internal behavior of the atom. However, once their predictions were compared to the results of experiments in the real world, it became clear that the principles of classical physics and mechanics were far from capable of explaining phenomena on the atomic scale. With this realization came the advent of quantum physics, one of the most important see more intellectual movements in human history. Today, quantum physics is everywhere: it explains how our computers work, how lasers transmit information across the Internet, and allows scientists to predict accurately the behavior of nearly every particle in nature. Its application continues to be fundamental in the investigation of the most expansive questions related to our world and the universe. However, while the field and principles of quantum physics are known to have nearly limitless applications, the fundamental reasons why this is the case are far less understood. In Quantum Physics: What Everyone Needs to Know, quantum physicist Michael G. Raymer distills the basic principles of such an abstract field, and addresses the many ways quantum physics is a key factor in today's science and beyond. The book tackles questions as broad as the meaning of quantum entanglement and as specific and timely as why governments worldwide are spending billions of dollars developing quantum technology research. Raymer's list of topics is diverse, and showcases the sheer range of questions and ideas in which quantum physics is involved. From applications like data encryption and quantum computing to principles and concepts like "quantum nonlocality" and Heisenberg's uncertainty principle, Quantum Physics: What Everyone Needs to Know is a wide-reaching introduction to a nearly ubiquitous scientific topic.

por Claus Birkholz

Space, time, matter - what really is all that? What are charges, what flavours? What is preventing time from running backwards? Quantum Gravity is describing all that - consisely, comprehensively, to the point. The Grand Unified Theory (GUT = ToE = "Theory of Everything"), finally, is caring for the rest by relating all forces of nature to each other. Parities are the peep-holes into strange worlds before the Big Bang and beyond the event horizon. Everything is calculable, even the see more transitions there. By working out the value of the fine-structure constant, theory opens to recognizing Dark Matter as the cradle of visible matter; the GUT is demonstrating birth and properties of ordinary matter out of Dark Matter and by what its creation process is stopped again.
A totally novel assessment is arising with respect to neutrino oscillations. Pauli's principle explains physically. Einstein's cosmological constant is demystified. Dark Energy, cosmic inflation, the number of dimensions we are living in are not any more dully accepted from outside - theory is deriving all that.
As a matter of fact, the gateway to developing Quantum Gravity has been widely open since Einstein, Planck, and Dirac. Only, nobody has passed its threshold; nuclear fission had changed priorities. Then, Gell-Mann had knocked at the door of the GUT. This time, however, it was the "Standard" model to crash the door back into its frame, and the string model sealed the lock.
- Meanwhile, the model succeeded in smuggling into the open underneath the feet of its jailers, ready for being applied more extensively.

por Bernardo Adeva Andany

 This course contains a brief and mathematically precise introduction to the conceptual body, and calculation tools, of Quantum Mechanics and Quantum Physics.  It is addressed to undergraduate students. The introduction is performed using the semiclassical framework, where Newton´s Classical Mechanics and Relativity as the reference points. Feynman's propagation is used as an axiomatic basis for Quantum Mechanics, completed with the generally admitted ideas about the measurement problem. see more

por Steven Holzner

Hands-on practice in solving quantum physics problems Quantum Physics is the study of the behavior of matter and energy at the molecular, atomic, nuclear, and even smaller microscopic levels. Like the other titles in our For Dummies Workbook series, Quantum Physics Workbook For Dummies allows you to hone your skills at solving the difficult and often confusing equations you encounter in this subject.
Explains equations in easy-to-understand terms Harmonic Oscillator Operations, Angular see more Momentum, Spin, Scattering Theory Using a proven practice-and-review approach, Quantum Physics Workbook For Dummies is all you need to get up to speed in problem solving!

por Book 188

This book studies the foundations of quantum theory through its relationship to classical physics. This idea goes back to the Copenhagen Interpretation (in the original version due to Bohr and Heisenberg), which the author relates to the mathematical formalism of operator algebras originally created by von Neumann. The book therefore includes comprehensive appendices on functional analysis and C*-algebras, as well as a briefer one on logic, category theory, and topos theory. Matters of see more foundational as well as mathematical interest that are covered in detail include symmetry (and its "spontaneous" breaking), the measurement problem, the Kochen-Specker, Free Will, and Bell Theorems, the Kadison-Singer conjecture, quantization, indistinguishable particles, the quantum theory of large systems, and quantum logic, the latter in connection with the topos approach to quantum theory.This book is Open Access under a CC BY licence.

por James Redford

ABSTRACT: Analysis is given of the Omega Point cosmology, an extensively peer-reviewed proof (i.e., mathematical theorem) published in leading physics journals by professor of physics and mathematics Frank J. Tipler, which demonstrates that in order for the known laws of physics to be mutually consistent, the universe must diverge to infinite computational power as it collapses into a final cosmological singularity, termed the Omega Point. The theorem is an intrinsic component of the see more Feynman–DeWitt–Weinberg quantum gravity/Standard Model Theory of Everything (TOE) describing and unifying all the forces in physics, of which itself is also required by the known physical laws. With infinite computational resources, the dead can be resurrected—never to die again—via perfect computer emulation of the multiverse from its start at the Big Bang. Miracles are also physically allowed via electroweak quantum tunneling controlled by the Omega Point cosmological singularity. The Omega Point is a different aspect of the Big Bang cosmological singularity—the first cause—and the Omega Point has all the haecceities claimed for God in the traditional religions.

From this analysis, conclusions are drawn regarding the social, ethical, economic and political implications of the Omega Point cosmology.

por Steven Holzner

Your plain-English guide to understanding and working with the micro world

Quantum Physics For Dummies, Revised Edition helps make quantum physics understandable and accessible. From what quantum physics can do for the world to understanding hydrogen atoms, readers will get complete coverage of the subject, along with numerous examples to help them tackle the tough equations. Compatible with classroom text books and courses, Quantum Physics For Dummies, Revised Edition lets students see more study at their own paces and helps them prepare for graduate or professional exams. Coverage includes: The Schrodinger Equation and its Applications The Foundations of Quantum Physics Vector Notation Spin Scattering Theory, Angular Momentum, and more Quantum physics — also called quantum mechanics or quantum field theory — can be daunting for even the most dedicated student or enthusiast of science, math, or physics. This friendly, concise guide makes this challenging subject understandable and accessible, from atoms to particles to gases and beyond. Plus, it's packed with fully explained examples to help you tackle the tricky equations like a pro!
Compatible with any classroom course — study at your own pace and prepare for graduate or professional exams Your journey begins here — understand what quantum physics is and what kinds of problems it can solve Know the basic math — from state vectors to quantum matrix manipulations, get the foundation you need to proceed Put quantum physics to work — make sense of Schrödinger's equation and handle particles bound in square wells and harmonic oscillators Solve problems in three dimensions — use the full operators to handle wave functions and eigenvectors to find the natural wave functions of a system Discover the latest research — learn the cutting-edge quantum physics theories that aim to explain the universe itself