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Quantum Opto-Mechanics with Micromirrors
  • Language: en
  • Pages: 152

Quantum Opto-Mechanics with Micromirrors

Quantum effects in macroscopic systems have long been a fascination for researchers. Over the past decade mechanical oscillators have emerged as a leading system of choice for many such experiments. The work reported in this thesis investigates the effects of the radiation-pressure force of light on macroscopic mechanical structures. The basic system studied is a mechanical oscillator that is highly reflective and part of an optical resonator. It interacts with the optical cavity mode via the radiation-pressure force. Both the dynamics of the mechanical oscillation and the properties of the light field are modified through this interaction. The experiments use quantum optical tools (such as homodyning and down-conversion) with the goal of ultimately showing quantum behavior of the mechanical center of mass motion. Of particular value are the detailed descriptions of several novel experiments that pave the way towards this goal and are already shaping the field of quantum optomechanics, in particular optomechanical laser cooling and strong optomechanical coupling.

The One
  • Language: en
  • Pages: 376

The One

  • Type: Book
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  • Published: 2024-06-07
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  • Publisher: Icon Books

In The One, particle physicist Heinrich Päs presents a bold idea: fundamentally, everything in the universe is an aspect of one unified whole. This idea, called monism, has a rich 3,000-year history: Plato believed that 'all is one', but monism was later rejected as irrational and suppressed as a heresy by the medieval Church. Nevertheless, monism persisted, inspiring Enlightenment science and Romantic poetry. Päs shows how monism could inspire physics today, how it could slice through the intellectual stagnation that has bogged down progress in modern physics and help science achieve the 'grand theory of everything' that it has been chasing for decades. Blending physics, philosophy, and the history of ideas, The One is an epic, mind-expanding journey through millennia of human thought and into the nature of reality itself.

Our Quantum World and Reincarnation
  • Language: en
  • Pages: 148

Our Quantum World and Reincarnation

This book sets forth a thoroughly researched and tightly reasoned original thesis. It is a convincing argument that one scientifically proven fact is quite possibly explained by another, though on the surface one may appear to have nothing to do with the other. One fact is the solid evidence, scientifically adduced by Dr. Jan Stevenson and others, that memories and other mental aspects of the human brain do indeed survive death. The other fact, accepted by almost all physicists, is a certain aspects of quantum mechanics known as entanglement. Entanglement is the relationship that develops between atoms, usually between those close in space, whereby certain characteristics of one atom complem...

The Quantum Story
  • Language: en
  • Pages: 496

The Quantum Story

  • Type: Book
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  • Published: 2011-02-24
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  • Publisher: OUP Oxford

The twentieth century was defined by physics. From the minds of the world's leading physicists there flowed a river of ideas that would transport mankind to the pinnacle of wonderment and to the very depths of human despair. This was a century that began with the certainties of absolute knowledge and ended with the knowledge of absolute uncertainty. It was a century in which physicists developed weapons with the capacity to destroy our reality, whilst at the same time denying us the possibility that we can ever properly comprehend it. Almost everything we think we know about the nature of our world comes from one theory of physics. This theory was discovered and refined in the first thirty y...

Computer Simulation in Physics and Engineering
  • Language: en
  • Pages: 532

Computer Simulation in Physics and Engineering

This work is a needed reference for widely used techniques and methods of computer simulation in physics and other disciplines, such as materials science. Molecular dynamics computes a molecule's reactions and dynamics based on physical models; Monte Carlo uses random numbers to image a system's behaviour when there are different possible outcomes with related probabilities. The work conveys both the theoretical foundations as well as applications and "tricks of the trade", that often are scattered across various papers. Thus it will meet a need and fill a gap for every scientist who needs computer simulations for his/her task at hand. In addition to being a reference, case studies and exercises for use as course reading are included.

Dreamed Up Reality
  • Language: en
  • Pages: 201

Dreamed Up Reality

A strong and growing intuition in society today is the idea that our thoughts create our own reality. Yet it seems obvious that, try as we might, our lives are not quite what we fantasize. Is the intuition thus wrong? Through a rational, methodic interpretation of meditative insights, the validity of which is substantiated with a compelling scientific literature review, the author constructs hypotheses that reconcile facts with intuition. Mesmerizing narratives of his expeditions into the unconscious suggest an amazing possibility: just as dreams are seemingly autonomous manifestations of our psyche, reality may be an externalized combination of the subconscious dreams of us all, mixed as they are projected onto the fabric of space-time. Perhaps the laws of physics are an emergent by-product of such synchronization of thoughts. Through computer simulations, the author explores the implications of these hypotheses, with conclusions uncannily reminiscent of observed phenomena.

The Spectricity of Humanness
  • Language: en
  • Pages: 235

The Spectricity of Humanness

The question of humanness requires a philosophical anthropology and we need a revision of what philosophical anthropology means in light of contemporary efforts in speculative realism and object-oriented ontology. This is the main claim of the book which expands into the smaller supporting claims that 1) contemporary work in speculative realism indicates that Heidegger’s analytic of Dasein needs to be rethought in consideration of certain Kantian values 2) recent philosophical anthropology offers an incomplete look at the central concern of philosophical anthropology, namely, the question of humanness 3) current ontological models do not account adequately for humanness, because they do no...

Quantum Space
  • Language: en
  • Pages: 448

Quantum Space

Today we are blessed with two extraordinarily successful theories of physics. The first is Albert Einstein's general theory of relativity, which describes the large-scale behaviour of matter in a curved spacetime. This theory is the basis for the standard model of big bang cosmology. The discovery of gravitational waves at the LIGO observatory in the US (and then Virgo, in Italy) is only the most recent of this theory's many triumphs. The second is quantum mechanics. This theory describes the properties and behaviour of matter and radiation at their smallest scales. It is the basis for the standard model of particle physics, which builds up all the visible constituents of the universe out of...

The Philosophy of Quantum Physics
  • Language: en
  • Pages: 304

The Philosophy of Quantum Physics

  • Type: Book
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  • Published: 2018-06-21
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  • Publisher: Springer

This book provides a thorough and up-to-date introduction to the philosophy of quantum physics. Although quantum theory is renowned for its spectacular empirical successes, controversial discussion about how it should be understood continue to rage today. In this volume, the authors provide an overview of its numerous philosophical challenges: Do quantum objects violate the principle of causality? Are particles of the same type indistinguishable and therefore not individual entities? Do quantum objects retain their identity over time? How does a compound quantum system relate to its parts? These questions are answered here within different interpretational approaches to quantum theory. Finally, moving to Quantum Field Theory, we find that the problem of non-locality is exacerbated. Philosophy of quantum physics is aimed at philosophers with an interest in physics, while also serving to familiarize physicists with many of the essential philosophical questions of their subject.