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- Philsci
- Philsci

... empirical matter either. But this is odd. Surely it’s easy (in principle) to construct an empirical test that at least constrains the value of p. You simply have to watch the marble as its particle configuration changes from the initial “in” configuration to the final “out” configuration. To begin w ...
Chapter 7 Quantum Theory of the Atom
Chapter 7 Quantum Theory of the Atom

... Laser light of a specific frequency falls on a crystal that converts a portion of this light into light with double the original frequency. How is the wavelength of this frequency- doubled light related to the wavelength of the original laser light? Suppose the original laser light was red. In which ...
Quantum Theory of Atomic and Molecular Structures and Interactions
Quantum Theory of Atomic and Molecular Structures and Interactions

... my time as a graduate student and remember his inspiration and constant support. My interest in atomic and molecular physics is a result of his guidance and positive attitude. Beyond the discussions on physics, the insight and perspective on many aspects outside physics are things that I will keep c ...
The Tenth Rochester Conferences on Coherence Quantum Information and Measurement
The Tenth Rochester Conferences on Coherence Quantum Information and Measurement

... paper treats the problem of one-atom interacting with one cavity mode with two alternative theories: quantum electrodynamics and semiclassical theory, and compares the predictions. The semiclassical theory was later extended to treat a single atom in free space interacting with a classical field inc ...
Faculty of Natural Sciences
Faculty of Natural Sciences

Colloquium: Multiparticle quantum superpositions and the quantum
Colloquium: Multiparticle quantum superpositions and the quantum

Reversible Computing - UF CISE
Reversible Computing - UF CISE

... generation. I want to emphasize that the entropy generation of a complete computation (one that does not benefit from quantum speedups) is not necessarily minimized by the QC approach if the entropy generation in the external control system is included. Later I will talk about models that are totall ...
Inferring the Fact that Static Magnetic Field Exists Along with
Inferring the Fact that Static Magnetic Field Exists Along with

... It is considered in the superposition principle of electrostatic field and the special relativity that the electric field around the moving electrons in permanent magnet still exists and presents length contraction in the direction of movement. Through experimental analysis, it is also considered th ...
353, 216 (2006) .
353, 216 (2006) .

... fadeaway of the inference pattern.1 Here we require the wells be deep, so that the total density remains relatively constant. The atom number in each well is nearly equal. Small fluctuation on the atom number does not essentially affect our predictions since it may be regarded as another perturbatio ...
Quantum Gravity and the Holographic Mass
Quantum Gravity and the Holographic Mass

... central role. Early explorations of spacetime fluctuations at the quantum level predicted that the vacuum at those scales undergoes extreme oscillations as formulated in the Wheeler model. Indeed, in quantum field theory, the vacuum energy density is calculated by considering that all the vibrationa ...
The Electron and the Holographic Mass Solution
The Electron and the Holographic Mass Solution

Kitaev - Anyons
Kitaev - Anyons

... a stability consideration requires that u be a rational multiple of 2p.) Of course, the real question is whether such particles exist in nature or can be built somehow, but we will follow the historic path, approaching the problem from the mathematical end. The study of anyons was initiated by Wilcz ...
Equation of state for solid neon from quantum theory
Equation of state for solid neon from quantum theory

... The Tang-Toennis expression for the two-body interaction energy E2!V" between two neon atoms is used, which was recently obtained from a complete basis set limit study using relativistic coupled-cluster theory by Hellmann et al.28 For the three-body term E3!V" we performed CC calculations including ...
Newsletter 102 - Psi-k
Newsletter 102 - Psi-k

A pseudo-mathematical pseudo-review on 4d N = 2
A pseudo-mathematical pseudo-review on 4d N = 2

... once the operations × and − / are defined with care. One can also extract various invariants from Q. One is the vacuum manifold Mvac (Q), which gives a Riemanninan manifold with G-action from a G-symmetric QFT Q. Then Mvac can be thought of as a functor from the category of QFTs to the category of R ...
Computing with Highly Mixed States
Computing with Highly Mixed States

Quantum Gravity and the Holographic Mass
Quantum Gravity and the Holographic Mass

... central role. Early explorations of spacetime fluctuations at the quantum level predicted that the vacuum at those scales undergoes extreme oscillations as formulated in the Wheeler model. Indeed, in quantum field theory, the vacuum energy density is calculated by considering that all the vibrationa ...
Atomic motion in laser light: connection between semiclassical and
Atomic motion in laser light: connection between semiclassical and

Mapping of steady-state electric fields and convective drifts in
Mapping of steady-state electric fields and convective drifts in

An AC Electrokinetic Technique for Collection and
An AC Electrokinetic Technique for Collection and

ABSTRACT PHOTON PAIR PRODUCTION FROM A HOT ATOMIC ENSEMBLE IN THE DIAMOND CONFIGURATION
ABSTRACT PHOTON PAIR PRODUCTION FROM A HOT ATOMIC ENSEMBLE IN THE DIAMOND CONFIGURATION

... take advantage of nonlinear interactions to produce and store non-classical states of light. These technologies will require photon sources that not only generate nonclassical light, but also resonant, narrow band light. Here we investigate a system which could be used as such a source. We take adva ...
On quantum obfuscation - University of Maryland Institute for
On quantum obfuscation - University of Maryland Institute for

Gravitoelectromagnetism (GEM): A Group
Gravitoelectromagnetism (GEM): A Group

Novel Confirmation and the Underdetermination of Scientific Theory
Novel Confirmation and the Underdetermination of Scientific Theory

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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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