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Introduction to Nonequilibrium Quantum Field Theory
Introduction to Nonequilibrium Quantum Field Theory

... in the early universe. The precise understanding of phenomena out of equilibrium play therefore a crucial role for our knowledge about the primordial universe. Important examples are the density fluctuations, nucleosynthesis or baryogenesis — the latter being responsible for our own existence. The ...
Scattering theory
Scattering theory

PowerPoint ******
PowerPoint ******

... nonzero strength everywhere (including otherwise empty space), which in its vacuum state breaks the weak isospin symmetry of the electroweak interaction. When this happens, three components of the Higgs field are "absorbed" by the SU(2) and U(1) gauge bosons (the "Higgs mechanism") to become the lon ...
Influence of measurements on the statistics of work performed on a
Influence of measurements on the statistics of work performed on a

Time propagation of extreme two-electron wavefunctions F Robicheaux
Time propagation of extreme two-electron wavefunctions F Robicheaux

Quantum Computing Lecture 1 What is Quantum Computing?
Quantum Computing Lecture 1 What is Quantum Computing?

Towards a Quantum Field Theory of Mind
Towards a Quantum Field Theory of Mind

Time, what is it? Dynamical Properties of Time
Time, what is it? Dynamical Properties of Time

... where u ′0 = const , ω′ = eB′ m , ϕ′ = ω′ t ′ + α , α = const , m is the relativistic mass of particle. Write down the position vector of the particle in the form ...
Functional Form of the Imaginary Part of the Atomic Polarizability
Functional Form of the Imaginary Part of the Atomic Polarizability

... in general, is the ground state. The xi are the Cartesian components of the electron coordinate (the summation convention is used for i), while the sum over the two terms with both signs ±ω will be encountered several times in P the following; it is denoted by the symbol ± here. The polarizability o ...
Generating nonclassical quantum input field states with modulating
Generating nonclassical quantum input field states with modulating

mixing in quantum field theory
mixing in quantum field theory

PowerPoint
PowerPoint

... Dynamical Chiral Symmetry Breaking with Nonet Scalar Mesons as Composite Higgs Bosons and Predictions for Mass Spectra of Lowest Lying Mesons Chiral Thermodynamic Model of QCD and QCD Phase Transition with Chiral Symmetry Restoration  Predictive Realistic Holographic AdS/QCD Model for the Mass Sp ...
1 Universal entanglement dynamics Quantum Entanglement Growth
1 Universal entanglement dynamics Quantum Entanglement Growth

Quantum typicality: what is it and what can be done... Jochen Gemmer LMU Muenchen, May, Friday 13th, 2014 University of Osnabrück,
Quantum typicality: what is it and what can be done... Jochen Gemmer LMU Muenchen, May, Friday 13th, 2014 University of Osnabrück,

Local Quantum Measurement and No
Local Quantum Measurement and No

Simulating a simple Quantum Computer
Simulating a simple Quantum Computer

... have been applied, and in the other you may find say 1 gate operation has been applied. Thus cursor1 is not, in general, the same as cursor2 Consequently, the relative states of the program qubits of each computer will then also be different after the measurements of the cursor. Hence projected1 is ...
Dirac Equation
Dirac Equation

Elements of QFT in Curved Space-Time
Elements of QFT in Curved Space-Time

Finite N Index
Finite N Index

Theoretische und Mathematische Grundlagen der Physik
Theoretische und Mathematische Grundlagen der Physik

... The decoherence rate of a quantum particle can be much higher than the rate of momentum change. An example is a free particle moving with a constant velocity in a dephasing environment. Such a particle is described by a wavepacket whose half-width is determined by the dephasing rate. In the single-p ...
Ionization in strong low-frequency fields: from quantum S
Ionization in strong low-frequency fields: from quantum S

Full-Text PDF
Full-Text PDF

Phys.Rev.Lett. 84, 1
Phys.Rev.Lett. 84, 1

... momentum (position) are equally probable. In 1927, Bohr illustrated complementarity via the “wavelike” and “particlelike” attributes of a quantum mechanical object [1]. Since then, complementarity has often been superficially identified with the “wave-particle duality of matter.” Over the years Youn ...
Path-Integral Molecular Dynamics at Thermal Equilibrium
Path-Integral Molecular Dynamics at Thermal Equilibrium

... With this arbitrary choice of mass matrix the partition function is given by, ...
The Interaction of Radiation and Matter: Quantum
The Interaction of Radiation and Matter: Quantum

... most applications of interest in optics, the spectral amplitudes will have appreciable values only within a spectral width which is small compared to some mean frequency . Thus, it often useful to express the analytic signal in terms of a temporal modulation of a mean monochromatic -- viz. ...
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Propagator

In quantum mechanics and quantum field theory, the propagator gives the probability amplitude for a particle to travel from one place to another in a given time, or to travel with a certain energy and momentum. In Feynman diagrams, which calculate the rate of collisions in quantum field theory, virtual particles contribute their propagator to the rate of the scattering event described by the diagram. They also can be viewed as the inverse of the wave operator appropriate to the particle, and are therefore often called Green's functions.
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