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11 Trapped Ions and Atoms
11 Trapped Ions and Atoms

... 11 Trapped Ions and Atoms where ~E is the electric field and ~µe the atomic electric dipole moment. For the purpose of quantum information processing applications, it is important to distinguish between “allowed" and “forbidden" optical transitions. In the first case, the matrix element of the elec ...
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... The art of doing research in physics usually starts with the observation of a natural phenomenon. Then follows a qualitative idea on "How the phenomenon can be interpreted", and one proceeds with the construction of a model equation or a simulation, with the aim that it resembles very well the obser ...
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... as c = 3 × 108 m/sec. If we consider a car traveling on the motorway at a speed of 100 km/hr, Galilean-Newtonian mechanics is more than adequate to describe its motion. On the other hand, for protons circling in the now completed LHC (Large Hadron Collider) at CERN, special relativity will be partic ...
Fundamentals oF modern Physics
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Multiphoton interactions in lepton photoproduction on nuclei at high
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Solitonic Model of the Electron, Proton and Neutron

... 20 parameters artificially introduced from outside, such as "colour" of particles, "aroma" etc., that is its fundamental demerit. Theoretical work, which is present here, has no demerits of Standard Model, it completely describe structure of elementary particles therefore it can help in discovery ne ...
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Inorganic Chemistry - Bharathiar University(Older Version Website)

... broken in this process. The product anion contains the PO3 - 4 in the MO1 2 O 3 6 cage. Between 35 and 40 hetero atoms are known to form heteropoly anions and their corresponding acids. Large hetero atoms such as Ce (IV) and Th (IV) are found icosahedrally coordinated in salts such as (NH4 ) 2 H6 Ce ...
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notes on elementary statistical mechanics

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Transport and trapping of dust particles in a potential well

... linear/non-linear modes along with the confinement time longer than characteristics time. It essentially indicates the necessity of a large dusty plasma volume confined for a longer time. Since, the dust particles are negatively charged and hence a positive potential well is required to confine them ...
Geometric Aspects and Neutral Excitations in the Fractional Quantum Hall Effect
Geometric Aspects and Neutral Excitations in the Fractional Quantum Hall Effect

... disorder. On the contrary, any small deviation from these integer filling factors creates particle or hole charge carriers that are localized by disorder, forming the plateau around these integer filling factors[6]. The presense of disorder is not necessary for the physics of the QHE, but is essenti ...
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Wave nature of light

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History of subatomic physics



The idea that matter consists of smaller particles and that there exists a limited number of sorts of primary, smallest particles in nature has existed in natural philosophy since time immemorial. Such ideas gained physical credibility beginning in the 19th century, but the concept of ""elementary particle"" underwent some changes in its meaning: notably, modern physics no longer deems elementary particles indestructible. Even elementary particles can decay or collide destructively; they can cease to exist and create (other) particles in result.Increasingly small particles have been discovered and researched: they include molecules, which are constructed of atoms, that in turn consist of subatomic particles, namely atomic nuclei and electrons. Many more types of subatomic particles have been found. Most such particles (but not electrons) were eventually found to be composed of even smaller particles such as quarks. Particle physics studies these smallest particles and their behaviour under high energies, whereas nuclear physics studies atomic nuclei and their (immediate) constituents: protons and neutrons.
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