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Classical limit states of the helium atom
Classical limit states of the helium atom

... studies has sought to explore the classical limit of quantum mechanics using Rydberg electron wave packets @1#. These studies of hydrogenlike atoms have allowed us to understand some of the essential differences between the quantum mechanical atom and its more familiar classical counterpart. The log ...
Chapter 22 Electric Field
Chapter 22 Electric Field

... If a charged particle is placed in an electric field created by other charges, it will experience a force as a result of the field. Sometimes we know about the electric field without knowing much about the charge configuration that created it. We can easily calculate the electric force from the elec ...
Lecture 9 - The Curious Case of Discontinuities
Lecture 9 - The Curious Case of Discontinuities

General Physics (PHY 2140) - Wayne State University Physics and
General Physics (PHY 2140) - Wayne State University Physics and

... Forces between charges on the flat surface, tend to be parallel to the surface. Those charges move apart until repulsion from other charges creates an equilibrium. At the sharp ends, the forces are predominantly directed away from the surface. There is less of tendency for charges located at sharp e ...
Cold Electron Quantum Mechanical Model for Superconductivity
Cold Electron Quantum Mechanical Model for Superconductivity

Full characterization of polarization states of light via direct
Full characterization of polarization states of light via direct

Full characterization of polarization states of light via direct
Full characterization of polarization states of light via direct

Measurement of the neutron lifetime with ultra
Measurement of the neutron lifetime with ultra

Steering criteria and steerability witnesses
Steering criteria and steerability witnesses

... – Many experiments realised since then strongly follow the quantum mechanical predictions, and (up to some loopholes involving Eric Cavalcanti, PIAF workshop, Sydney, February 2008 lack of space-like separation) support20 detection efficiencies and/or ...
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(2)

... considered in Eq. 共1兲: the time independent parameters R and P label the classical phase space point under consideration and the adiabatic basis in the eigenvalue problem of Eq. 共4兲 is defined at each point in configuration space. In this Eulerian picture the adiabatic dynamics is not considered alo ...
Lecture 2 - Department of Applied Physics
Lecture 2 - Department of Applied Physics

(1) and
(1) and

PPT
PPT

... (1)Polyakov gauge where Polyakov loops are diagonalized. Monopoles are always static. Do not contribute to the usual abelian Wilson loop. Monopole dominance is broken.(M.Chernodub ’00) (2)Landau gauge: Configurations are so smooth. No DeGrand-Toussaint monopoles. ...
Ex. = 1s 1 , 0 to (1-1)
Ex. = 1s 1 , 0 to (1-1)

Electron-Positron Scattering
Electron-Positron Scattering

... electron (if the arrow points up) or positron (if the arrow points down), with the initial-state particles at the bottom of the diagram and the final-state particles at the top. The wavy lines represent photons, which in this case are called “virtual” particles, since they appear as intermediate quan ...
Quantum proofs can be verified using only single
Quantum proofs can be verified using only single

High-Fidelity Polarization Storage in a Gigahertz Bandwidth
High-Fidelity Polarization Storage in a Gigahertz Bandwidth

Evolution without evolution, and without ambiguities
Evolution without evolution, and without ambiguities

Quantum one-time programs
Quantum one-time programs

Parametric evolution of eigenstates: Beyond perturbation theory and
Parametric evolution of eigenstates: Beyond perturbation theory and

Phys. Rev
Phys. Rev

Exact solutions of effective
Exact solutions of effective

Three problems from quantum optics
Three problems from quantum optics

How Quantum Theory Helps us Explain - u.arizona.edu
How Quantum Theory Helps us Explain - u.arizona.edu

... 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 ...
A Critique of Pure String Theory: Heterodox Opinions of Diverse
A Critique of Pure String Theory: Heterodox Opinions of Diverse

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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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