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No-Go Theorem for the Composition of Quantum
No-Go Theorem for the Composition of Quantum

Nonlocal “realistic” Leggett models can be considered refuted by the
Nonlocal “realistic” Leggett models can be considered refuted by the

... According to the postulate of “nonlocal realism” all measurements A and B are determined by the “preexisting” properties (hidden variables) the particles carry [1, 5]. However, the individual B outcomes cannot be considered to be predetermined by the polarization vectors v the photons B carry when t ...
In the beginning — or, at least, from around
In the beginning — or, at least, from around

... and magnetism for the first time. Maxwell’s equations are as important today as ever. They led to the development of special relativity (Milestone 4) and, nowadays, almost every optics problem that can be formulated in terms of dielectric permittivity and magnetic permeability (two key constants in ...
Biologic
Biologic

Quantum Field Theory - Uwe
Quantum Field Theory - Uwe

Classical Field Theory - Imperial College London
Classical Field Theory - Imperial College London

CHAPTER 16: Quantum Mechanics and the Hydrogen Atom
CHAPTER 16: Quantum Mechanics and the Hydrogen Atom

... • Energy depends only on n • For a given l, increasing n increases the average distance of electrons from the nucleus (& the size of the orbital). 3s larger than 2s. • Ψnlm has l angular nodes and n-l-1 radial nodes (total of n-1 nodes) • Only for s orbitals does Ψnlm remain nonzero as r→0. Only s o ...
Untitled
Untitled

... With the vacuum behaving like a material medium due to virtual particles, its properties depend on the number and type of particles present in nature. If one could change the properties of the particles, one could change the nature of the vacuum. Moreover, a large change of the vacuum would be a phe ...
Copenhagen Interpretation
Copenhagen Interpretation

Ionization of high-lying states of the sodium atom by a pulsed
Ionization of high-lying states of the sodium atom by a pulsed

Majorana returns - MIT Center for Theoretical Physics
Majorana returns - MIT Center for Theoretical Physics

... and imaginary numbers. For the equation to make sense, ψ must then be a complex field. Dirac and most other physicists regarded this consequence as a good feature, because electrons are electrically charged, and the description of charged particles requires complex fields, even at the level of the S ...
2001. (with Gordon Belot) Pre-Socratic Quantum Gravity. In Physics
2001. (with Gordon Belot) Pre-Socratic Quantum Gravity. In Physics

hw02_solutions
hw02_solutions

... closed surface is zero ( Q  0) , then according to the Gauss’s law:  E  Q /  0 , the total flux is zero. However, charges outside the surface could create a non zero electric field on the surface. For example, consider a closed surface near an isolated point charge, and the surface does not encl ...
Transforming an Electron into a Positron: A New
Transforming an Electron into a Positron: A New

... morphology of the electrode surface causing a 3dimensional nano-texture, the perfect geometry for creating a 1 or 2 DES.[27] This is one of the two proposed requirements needed to flip the charge state of the electron. The other is a very strong magnetic or electric field. In this case, a very stron ...
Velicky17.10.BECBrno07L3
Velicky17.10.BECBrno07L3

... • the mean field component of the interactions determines most of the deviations from the non-interacting case • beyond the mean field, the interactions change the quasi-particles and result into superfluidity even in these dilute systems ...
on line
on line

... to addition in k . The reader can and should fill in the rest of the structure and verify that one has a Hopf algebra in fact for any field k . The “circle” is similarly described by the coordinate algebra k[t, t −1 ] (polynomials in t, t −1 with the implied relations tt −1 = t −1 t = 1 ) and multip ...
hw02_solutions
hw02_solutions

hw02_solutions
hw02_solutions

Electromagnetic waves in lattice Boltzmann magnetohydrody
Electromagnetic waves in lattice Boltzmann magnetohydrody



Document
Document

... * A fruitful objection (1935) The quantum formalism allows for very peculiar situations when one looks at pairs of entangled particles. Spelled out in a famous article by Einstein, Podolsky, Rosen (EPR) in 1935 : they propose a simple definition of reality and locality, and conclude that the quantum ...
A Review and Prospects of Quantum Teleportation
A Review and Prospects of Quantum Teleportation

PDF 1
PDF 1

How Quantum Theory Helps us Explain
How Quantum Theory Helps us Explain

... While the great predictive power of quantum theory is universally acknowledged, its explanatory credentials are still actively debated among those concerned with the theory’s conceptual foundations. There are instrumentalists who restrict the scope of quantum theory to a set of rules for calculating ...
Suppression of Shot Noise in Quantum Point Contacts in the... A. Golub, T. Aono, and Yigal Meir
Suppression of Shot Noise in Quantum Point Contacts in the... A. Golub, T. Aono, and Yigal Meir

... density-functional calculations that reveal the formation of a quasibound state at the QPC [9], the tunneling of a second electron through that state is suppressed by Coulomb interactions, and is enhanced at low temperatures by the Kondo effect [10]. Thus, at temperatures larger than the Kondo tempe ...
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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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