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Quantum_doc
Quantum_doc

Resonant Energy Transfer in ultracold Rydberg gases
Resonant Energy Transfer in ultracold Rydberg gases

... electron is located on an vastly extended orbit far from the nucleus, maybe comparable to an outer planet in the solar system. Therefore, the negative charge of the electron is separated far from the positive charge of the nucleus, which gives rise to large dipole moments. Furthermore, the outer ele ...
Amines - ncert
Amines - ncert

... present at different positions in the parent chain, their positions are specified by giving numbers to the carbon atoms bearing –NH2 groups and suitable prefix such as di, tri, etc. is attached to the amine. The letter ‘e’ of the suffix of the hydrocarbon part is retained. For example, H2N–CH2–CH2–N ...
An important problem, not discussed so far by other authors, is the
An important problem, not discussed so far by other authors, is the

... illustrate the most important notions. Section 3 describes the general problem of synthesis of quantum circuits (called also quantum arrays) from primitive quantum gates, especially using evolutionary algorithms. Section 4 presents decomposition of gates to smaller primitives related to the cost of ...
PDF
PDF

... Bose-Einstein condensates of dilute atomic gases offer a unique opportunity to study quantum hydrodynamics. The low density of the gas allows direct comparison with first principle theories. Recently, vortices in a Bose-Einstein condensate have been realized experimentally and are currently under in ...
Photoemission Spectroscopy of a Strongly Interacting Fermi Gas
Photoemission Spectroscopy of a Strongly Interacting Fermi Gas

1 - Universität Stuttgart
1 - Universität Stuttgart

Quantum Information Chapter 10. Quantum Shannon Theory
Quantum Information Chapter 10. Quantum Shannon Theory

... but there is a lot we won’t cover. For example, we will mostly consider information theory in an asymptotic setting, where the same quantum channel or state is used arbitrarily many times, thus focusing on issues of principle rather than more practical questions about devising efficient protocols. ...
Molecular Geometry and Bonding Theories
Molecular Geometry and Bonding Theories

... have the general formula ABn in which the central atom A is bonded to n B atoms. Both CO2 and H2O are AB2 molecules, for example, whereas SO3 and NH3 are AB3 molecules, and so on. The number of shapes possible for ABn molecules depends on the value of n. Those commonly found for AB2 and AB3 molecule ...
Spin Physics in Two-dimensional Systems  Daniel Gosálbez Martínez
Spin Physics in Two-dimensional Systems Daniel Gosálbez Martínez

... is reduced to two inequivalent points situated at the corners of the first Brillouin zone. At this point, the valence band and the conduction band touch each other with a lineal dispersion relation. The physics in the low energy spectrum is described by the π orbitals of the graphene, while the high ...
Student`s Solutions Manual
Student`s Solutions Manual

... Chapter 6: Uniform Circular Motion and Gravitation ................................................................... 49 6.1 Rotation Angle and Angular Velocity .................................................................................. 49 6.2 Centripetal Acceleration ....................... ...
Kondo physics in the single-electron transistor with ac driving Peter Nordlander
Kondo physics in the single-electron transistor with ac driving Peter Nordlander

... conductance of the dot can vary rapidly due to the interplay between photon-assisted tunneling and the Kondo resonance. ...
Engineering a Robust Quantum Spin Hall State in Graphene via
Engineering a Robust Quantum Spin Hall State in Graphene via

... orbitals carry higher angular momentum, spin-flip processes which do affect the Dirac points will generically appear. The induced Rashba terms may still be subdominant, although whether this is the case depends on details of the Hamiltonian, unlike the situation for p orbitals. In contrast, Sz -cons ...
The noncommutative geometry of the quantum Hall effect
The noncommutative geometry of the quantum Hall effect

Centre de Physique Théorique
Centre de Physique Théorique

... keywords: mathematical description of physical systems, fonctional analysis, spectral analysis, partial differential equations, finite difference equations, constructive quantum field theory. - E10 Collective Phenomena and Out-of-Equilibrium Systems (Team leader: Claude-Alain Pillet; Effective staff ...
Lateral Quantum Dots in Strained Silicon/Silicon-Germanium
Lateral Quantum Dots in Strained Silicon/Silicon-Germanium

... on high mobility silicon/silicon-germanium modulation-doped samples. As the size of the lateral quantum dots is comparable with the electron wavefunction, the wave nature of the electrons plays a significant role, and the energy levels in the dots are quantized. Starting point for the fabrication we ...
Quantum Information Chapter 10. Quantum Shannon Theory
Quantum Information Chapter 10. Quantum Shannon Theory

Chapter 3 QUANTUM MONTE CARLO SIMULATION
Chapter 3 QUANTUM MONTE CARLO SIMULATION

... operators is a very high price to pay in exchange for 'realism' ". The discussion about the locality of scattering goes far beyond the scope of this simple work, but we want to stress that within our approach, local scattering mechanism can also be 'naturally' implemented. In any case, other authors ...
Introduction to the Physics of Field Ion Emitters
Introduction to the Physics of Field Ion Emitters

... with no surface states (or, alternatively, with no active surface states), the thermodynamic equilibrium response to an impressed positive field is clear. The bands bend upwards until, at the surface, the top edge of the valence band crosses the emitter Fermi level. At this point, holes appear in th ...
Quantum information processing beyond ten ion
Quantum information processing beyond ten ion

... The requirements for a functional quantum computer have been summarised by DiVincenzo [12]: it is imperative to be able to initialise a well-defined quantum register, to manipulate it and be able to retrieve the information before the information is lost. These criteria have originally been suggeste ...
Entanglement and Quantum Cryptography Joonwoo Bae Universitat de Barcelona
Entanglement and Quantum Cryptography Joonwoo Bae Universitat de Barcelona

... Quantum cryptography is one of the most important quantum information applications. The present thesis covers several topics on quantum cryptography, such as the security analysis of quantum channels for key distribution protocols and the study of quantum cloning. First, we introduce a general forma ...
Spin-Orbit Coupling in Free-Radical Reactions
Spin-Orbit Coupling in Free-Radical Reactions

Entanglement and Quantum Cryptography
Entanglement and Quantum Cryptography

... Quantum cryptography is one of the most important quantum information applications. The present thesis covers several topics on quantum cryptography, such as the security analysis of quantum channels for key distribution protocols and the study of quantum cloning. First, we introduce a general forma ...
pdf
pdf

... This is a thesis about the quantum nature of our universe. Most of our daily experiences can readily be explained by the classical mechanics of Newton and electromagnetic theory of Maxwell. The quantum nature of our universe is both subtle and profound in its impact. Negatively charged electrons do ...
transcript
transcript

... same for the both bands. Since the energies of bottom of the spin-up and spin-down bands are different, the number of electrons in each band is different as well. Therefore, the classical model predicts a spin accumulation in electron gas under a magnetic field. Upper-right schematic diagrams shows ...
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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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