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Charged domain-wall dynamics in doped antiferromagnets and spin
Charged domain-wall dynamics in doped antiferromagnets and spin

Quantum Mathematics Table of Contents
Quantum Mathematics Table of Contents

... We cannot apply the usual Hamiltonian theory to this variational problem since the ...
using standard syste - the Max Planck Institute for the Physics of
using standard syste - the Max Planck Institute for the Physics of

... coined the term postmodern quantum mechanics. In contrast to the old quantum theory, which was based on (mostly) ad hoc quantization rules for certain classical orbits, modern semiclassical theory exploits the full classical dynamics in a systematic way. Based on these ideas, the first successful se ...
ESSAY REVIEW: The many Metaphysics within Physics 1 9
ESSAY REVIEW: The many Metaphysics within Physics 1 9

... An alternative interpretation of Maudlin’s argument is roughly as follows. Suppose that following Maudlin (pp. 12-15) we distinguish between fundamental laws of temporal evolution (FLOTEs) and all other non fundamental laws, which might or not supervene on FLOTEs. We could then argue that for the no ...
Wake Fields in Particle Accelerators with Finite Thickness and
Wake Fields in Particle Accelerators with Finite Thickness and

Theory of Bragg fiber*
Theory of Bragg fiber*

... would like to thank Professor Akira Ishimaru and Dr. Robert Smith for technical discussions. Computer programming assistance from Mr. W. K. Tsiang is also highly appreciated. ...
Classical Simulation of Quantum Systems
Classical Simulation of Quantum Systems

Chapter 2 Coulomb`s Law and Electric Field Intensity
Chapter 2 Coulomb`s Law and Electric Field Intensity

... Now that we have formulated a new language in the first chapter, we shall establish a few basic principles of electricity and attempt to describe them in terms of it. If we had used vector calculus for several years and already had a few correct ideas about electricity and magnetism, we might jump i ...
Symmetries and Interactions in Topological Matter
Symmetries and Interactions in Topological Matter

feasibility study
feasibility study

... so that it never comes to a complete stop [as seen in Figure 2]. Zero-point radiation gives the oscillator an average energy equal to the frequency of oscillation multiplied by one-half of Planck's constant.”7 However, a question regarding the zero-point field (ZPF) of the vacuum can be asked, such ...
Green Function Techniques in the Treatment of Quantum Transport
Green Function Techniques in the Treatment of Quantum Transport

... finite voltage: generalized master equation (GME) [71,72] and nonequilibrium Green function (NGF) techniques [66, 73–76]. The former also lead to more simple rate equations in the case where (i) the electrode-system coupling can be considered as a weak perturbation, and (ii) off-diagonal elements of ...
The Homological Nature of Entropy
The Homological Nature of Entropy

... precede probability theory (cf. [2]). However, Evariste Galois saw the application of group theory for discriminating solutions of an algebraic equation as a first step toward a general theory of ambiguity, that was developed further by Riemann, Picard, Vessiot, Lie, Poincare and Cartan, for systems ...
Wavefunctions and carrier-carrier interactions in InAs quantum dots
Wavefunctions and carrier-carrier interactions in InAs quantum dots

... and the fact that its natural oxide is one of the best available insulators, Silicon is by far the most commonly used semiconductor. However, for special applications like high-frequency transistors and most of the optoelectronic devices, Gallium arsenide is preferred. Its main advantage consist in ...
Quantum electrodynamics with 1D artificial atoms
Quantum electrodynamics with 1D artificial atoms

... orientaitions, which qualifies the system as a candidate for a 1D atom. One of the signatures and functions of a 1D atom is the nonlinear optical response at the single-photon level. A PCW chip is designed to experimentally study the transmission spectrum of an embedded QD. The transmission spectrum ...
Time Resolved Diffraction and Interference: Young
Time Resolved Diffraction and Interference: Young

... by reducing the beam's intensity), we find that the signal of each photon corresponds to a pixel at the screen of the streak camera. The second up to the sixth panel of Fig.2 show the intensity for 10, 50, 120, 240 and 300 events respectively (taken in frames of about 10 photons each after 200 ms). ...
Gauge symmetries in Quantum Gravity and String Theory
Gauge symmetries in Quantum Gravity and String Theory

... This thesis explores the spectrum of states charged under global and gauge symmetries in String Theory, and the constraints that they pose on specific phenomenological models. On one hand, we use supercritical theories (those with more than 10 or 26 dimensions) to embed discrete gauge symmetries of ...
The Polycluster Theory for the Structure of Glasses: Evidence from
The Polycluster Theory for the Structure of Glasses: Evidence from

... research effort. These substances of extraordinary practical and technological importance still present considerable scientific challenges in the description of the glass-formation mechanism (nature of the glass transformation) and of the nature of the atomic structure at intermediate- and long-rang ...
Download PDF
Download PDF

... operate at concentrations exceeding infinite dilution. To better understand and predictively quantify the influence of particle interactions on the performance of microfluidic devices, we have developed experiments, dynamic simulations, and a statistical model. This multifaceted approach provides a ...
Title Overview of Large-Scale Computing: The Past, the Present
Title Overview of Large-Scale Computing: The Past, the Present

... and advances in algorithm design. For sparse matrix systems, and static problems, even larger problems have been solved [29]–[32]. ...
CPT- AND LORENTZ-SYMMETRY BREAKING: A REVIEW Ralf
CPT- AND LORENTZ-SYMMETRY BREAKING: A REVIEW Ralf

Paradoxes about Light Phenomena: Photo
Paradoxes about Light Phenomena: Photo

... space and time with lines of demarcation between matter, energy, time and space. As these quantities remain distinct and absolute, the speed of light changes. Einstein, however, perceived a Universe with no fixed lines between matter, energy, time, and space but with an absolute speed of light. He f ...
Unit 2: Lorentz Invariance
Unit 2: Lorentz Invariance

How to reuse a one-time pad and other notes on... of quantum information
How to reuse a one-time pad and other notes on... of quantum information

... In other words, a PQC is an encryption/decryption scheme, such that for all ensembles, the probability that an eavesdropper learns more than ⑀ about which state is being sent is small. This definition is somewhat different to that of 关2,3兴 in that we define the PQC with respect to how much informati ...
Berry Phase Effects on Electronic Properties
Berry Phase Effects on Electronic Properties

Entanglement and Tensor Network States - cond
Entanglement and Tensor Network States - cond

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History of quantum field theory

In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field in the late 1920s. Major advances in the theory were made in the 1950s, and led to the introduction of quantum electrodynamics (QED). QED was so successful and ""natural"" that efforts were made to use the same basic concepts for the other forces of nature. These efforts were successful in the application of gauge theory to the strong nuclear force and weak nuclear force, producing the modern standard model of particle physics. Efforts to describe gravity using the same techniques have, to date, failed. The study of quantum field theory is alive and flourishing, as are applications of this method to many physical problems. It remains one of the most vital areas of theoretical physics today, providing a common language to many branches of physics.
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