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Journal of Modern Optics
Journal of Modern Optics

Comparisons between classical and quantum mechanical
Comparisons between classical and quantum mechanical

... Satyendra Nath Bose (whom they are named after) and Albert Einstein in 19241925 [20, 37, 38]. It was Einstein who realized that a macroscopic fraction of noninteracting massive bosons will accumulate in the lowest single particle quantum state for sufficiently low temperatures. This new phase of mat ...
The minimum mass of a charged spherically symmetric object
The minimum mass of a charged spherically symmetric object

... exceeds an absolute classical minimum value, determined by both  and . The existence of a cosmological constant therefore has profound consequences for the stability of matter, even at the classical level. The nature of the cosmological constant or, more generally, dark energy, is one of the most ...
1 - Hal-SHS
1 - Hal-SHS

... distributions. (At this time they were given from experimental data. They would be calculable theoretically only with quantum field theory, shortly after the quantum mechanics formulation was obtained 18). The evidence for attributing radiation (defined by its frequency and wave length) both an ener ...
An Introduction to Quantum Spin Systems Notes for MA5020 (John
An Introduction to Quantum Spin Systems Notes for MA5020 (John

... and the AKLT chain [58]. The latter is easily understood since the exact ground state of the AKLT chain is a fixed point of the DMRG iteration [48]. By now we also understand why the DMRG method works well for one-dimensional problems more generally, especially for models with a non-vanishing gap, a ...
Chem 105 Final Exam
Chem 105 Final Exam

The Quantum Mechanics of Faraday`s Law
The Quantum Mechanics of Faraday`s Law

M.Sc. CCSS 2010
M.Sc. CCSS 2010

... M.Sc. CCSS 2010 University Physics Department Council (DC) recommended to impliment the same modality to CCSS as that of CSS of affiliated colleges. However, as a first step the PG board recommends to impliment only ...
Many-body theory of excitation dynamics in an ultracold Rydberg gas
Many-body theory of excitation dynamics in an ultracold Rydberg gas

Andy Schoefield`s review on Non
Andy Schoefield`s review on Non

... however a number of results which can be obtained relatively sim ply using Fermi’s golden rule (together with M axwell’ s equations) and I have included these for readers who w ould like to see where som e of the properties are com ing from . The outline of this review is as follows. I begin w ith a ...
Fundamental aspects of quantum Brownian motion
Fundamental aspects of quantum Brownian motion

... Let us next consider the most fundamental case of a simple open quantum system, namely, the damped harmonic oscillator. This problem could be tackled by setting up a microscopic model describing the coupling to environmental degrees of freedom to which energy can be transferred irreversibly, thus gi ...
Observation of Cold Collisions between Trapped Ions and Trapped
Observation of Cold Collisions between Trapped Ions and Trapped

PPT
PPT

... A. Bettini LSC, Padova University and INFN ...
LD5655.V856_1971.I62
LD5655.V856_1971.I62

... there are I+l/2 energy levels and for integral spins there are I+l energy levels. In order to observe transitions between quadrupole enerfzy' levels one can in principle either apply an oscillating electric field, thereby producing an electric field gradients at the nucleus which would interact with ...
Regents Chemistry - New York Science Teacher
Regents Chemistry - New York Science Teacher

STATISTICAL FIELD THEORY
STATISTICAL FIELD THEORY

Investigating Entanglemen
Investigating Entanglemen

Commentary_Basti
Commentary_Basti

... the notion of dynamically generated long-range correlations, and the related notion of phase transition in terms of the dynamic constitution of different phase coherence domains, like as many SSB conditions of the quantum vacuum ground state, gives a new light to the Schrödinger notion of informati ...
Total quadruple photoionization cross section of Beryllium in a
Total quadruple photoionization cross section of Beryllium in a

These notes
These notes

... renormalized coefficients. The theoretical tools corresponding to this physics have involved sophisticated diagramatic techniques such as Feynman diagrams, which are all based on the existence of a well controlled limit of zero interaction Green’s function. It was realized in the fifties, with the t ...
Classification results on purely electric or magnetic perfect
Classification results on purely electric or magnetic perfect

What is Quantum Thermodynamics?
What is Quantum Thermodynamics?

A tunable two-impurity Kondo system in an atomic point contact
A tunable two-impurity Kondo system in an atomic point contact

answers to part a of the national high school
answers to part a of the national high school

... designed as a teaching aid. They discuss subjects arising from the questions, as well as how to work out the answers. They also contain tips about how to set about doing a multiple choice examination in general. The notes have been prepared in order to give students (and teachers) some indication of ...
The road to laser cooling rubidium vapor
The road to laser cooling rubidium vapor

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Hydrogen atom



A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the elemental (baryonic) mass of the universe.In everyday life on Earth, isolated hydrogen atoms (usually called ""atomic hydrogen"" or, more precisely, ""monatomic hydrogen"") are extremely rare. Instead, hydrogen tends to combine with other atoms in compounds, or with itself to form ordinary (diatomic) hydrogen gas, H2. ""Atomic hydrogen"" and ""hydrogen atom"" in ordinary English use have overlapping, yet distinct, meanings. For example, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen (which would refer to isolated hydrogen atoms).
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