• Study Resource
  • Explore
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Single-electron computing: Quantum dot logic gates
Single-electron computing: Quantum dot logic gates

and quantum properties - Hal-SHS
and quantum properties - Hal-SHS

... Quantum magnitudes are therefore not thought as existing by themselves, but as conditional properties, depending of the observational arrangement : for that reason they have most usually been referred to as «observables». This way of formulating a physical theory was new in physics when it was propo ...
Low Z target optimization for spatial resolution improvement in
Low Z target optimization for spatial resolution improvement in

... Figure 2.1: The three different types of charged particle interactions with an atom. Hard, soft and radiative collisions are defined by the size of the impact parameter (b) relative to the atomic radius. .......................................................... 7 Figure 2.2: The mass collision (das ...
EXPERIMENTAL SPECTROSCOPIC STUDIES OF METALS WITH
EXPERIMENTAL SPECTROSCOPIC STUDIES OF METALS WITH

... of the electron spectroscopy group for encouragements and friendly atmosphere. Henri Tikkala is acknowledged for assistance during the laboratory experiments. I especially want to thank and acknowledge Pentti Kovala for supporting device design and development work, as well as the people in the phys ...
Contextuality, cohomology and paradox
Contextuality, cohomology and paradox

Quantum Phenomena Modeled by Interactions between Many
Quantum Phenomena Modeled by Interactions between Many

... perspective of the dBB interpretation of quantum mechanics, and, hence, start with a brief review of the latter. We regard the MIW approach as fundamental, but to show that it should (in an appropriate limit) reproduce the predictions of orthodox quantum mechanics, it is convenient to build up to it ...
6 What Causes Superconductivity?
6 What Causes Superconductivity?

... grey, semiconducting tin is not. Another of the many examples illustrating an involvement of the atomic arrangement is that while the usual semimetallic form of bismuth is not superconducting, even at a temperature as low as 10 –2K, several of its crystalline forms, which can be obtained under high ...
Daniel Dennett`s Compatibilism
Daniel Dennett`s Compatibilism

Introduction to Quantum Information Science
Introduction to Quantum Information Science

Physics 137B
Physics 137B

LECTURE 13 QUARKS PHY492 Nuclear and Elementary Particle Physics
LECTURE 13 QUARKS PHY492 Nuclear and Elementary Particle Physics

... Hadron Spectroscopy   The study of the static properties of hadrons: their masses, lifetimes, and decay modes, and their quantum numbers (spin, electric charge etc) lead to the inference of quarks by Gell-Mann and Zweig in 1964.   Example:   ...
PDF
PDF

... allows classical communication, and the dependence of actions on the results of previous measurements (exemplified in teleportation by the dependence of the unitary correction on the result of the measurement of q and qA ), to be captured within the formalism. In this respect, our formalism is more ...
The Physics of Low-energy Electron-Molecule Collisions
The Physics of Low-energy Electron-Molecule Collisions

Template
Template

... For a feasibility study we control the total number of electrons in each subband, which can in practice be achieved, e.g., by optical pumping, selective doping or a combination of both methods. Thus, the full NGF scheme is simplified and reduces to the self-consistent evaluation of chemical potentia ...
PHOTONIC ENTANGLEMENT: NEW SOURCES AND NEW APPLICATIONS JI ˇ R´
PHOTONIC ENTANGLEMENT: NEW SOURCES AND NEW APPLICATIONS JI ˇ R´

... them, which result in the so-called hyper-entanglement [14, 15]. The minimal interaction of photons with an environment predetermines them as a perfect carrier of information. The first entangled photon sources developed in the seventies of the 20th century used transitions between energy levels of ...
Shining Light on Modifications of Gravity
Shining Light on Modifications of Gravity

Tunneling Times and Superluminality: a Tutorial
Tunneling Times and Superluminality: a Tutorial

... i.e., the question “How long does is take for the particle to tunnel across the barrier?” This question is still the subject of much controversy, since numerous theories contradict each other in their predictions for “the” tunneling time. Indeed, some of these theories, most notably Wigner’s, predic ...
Size Effects on Semiconductor Nanoparticles
Size Effects on Semiconductor Nanoparticles

... energy equal to or higher than the fundamental band gap. The promotion of an electron from the VB to the CB can be described as a system in which the CB contains one particle whereas the VB, consisting of many particles, lacks a particle. This situation is a many-body system. A standard approach to ...
View PDF - CiteSeerX
View PDF - CiteSeerX

Quantum Fields on Noncommutative Spacetimes: gy ?
Quantum Fields on Noncommutative Spacetimes: gy ?

Quantum networking with single ions and single photons interfaced in free space
Quantum networking with single ions and single photons interfaced in free space

... The quantum system of choice: single trapped ions Of all the physical systems listed above, single trapped atomic ions have come closest to complying with the DiVincenzo criteria, proving to be among the most promising candidates for future large-scale quantum-information processors [31, 32]. Atomic ...
Superconducting Circuits and Quantum Computation T. P. Orlando
Superconducting Circuits and Quantum Computation T. P. Orlando

... cancels the leakage to the higher levels to arbitrary accuracy with O(N) number of pulses, N being the number of higher levels. This approach exploits “bang-bang” control techniques where the dynamics of the qubit and its environment is manipulated by fast pulses that flip the qubit state. With the ...
Fractionalization, Topological Order, and
Fractionalization, Topological Order, and

... Fractionalization of quantum numbers has been a focus of condensed matter physics in recent years. It refers to the emergence of a collective excitation having fractional quantum numbers with respect to the elementary particles (such as electrons), in a strongly correlated system. The notion of frac ...
institute of theoretical physics - Faculty of Physics University of Warsaw
institute of theoretical physics - Faculty of Physics University of Warsaw

... information about the Universe. Invention of the first optical telescope by Galileo dramatically increased the scale of the observable Universe. With present day large optical telescopes and the Hubble Space Telescope we observe galaxies at their very early stage of evolution. Intricate structure of ...
Shanghai Conference on Representation Theory
Shanghai Conference on Representation Theory

... X; to define a conormal variety and an ”exotic” nilpotent variety EX ; and then to establish a ”Steinberg-Springer” theory for them (cf. Henderson-Trapa (2012)). In the talk, I will describe the correspondence between the K-orbits in X and exotic nilpotent orbits in EX . We can also play the same ga ...
< 1 ... 74 75 76 77 78 79 80 81 82 ... 514 >

Quantum electrodynamics



In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics. In essence, it describes how light and matter interact and is the first theory where full agreement between quantum mechanics and special relativity is achieved. QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons and represents the quantum counterpart of classical electromagnetism giving a complete account of matter and light interaction.In technical terms, QED can be described as a perturbation theory of the electromagnetic quantum vacuum. Richard Feynman called it ""the jewel of physics"" for its extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report