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GAP Optique Geneva University
GAP Optique Geneva University

Real-time evolution for weak interaction quenches in quantum systems
Real-time evolution for weak interaction quenches in quantum systems

Dyson equation for diffractive scattering
Dyson equation for diffractive scattering

Introduction to the Bethe Ansatz I
Introduction to the Bethe Ansatz I

Stark effect of the hyperfine structure of ICl in its rovibronic ground
Stark effect of the hyperfine structure of ICl in its rovibronic ground

... can be investigated precisely at present. Therefore, the experimental data can verify and improve the theory, which makes it possible to precisely study the weak interactions of the nuclear spin and the nuclear electric quadruple moment with electrons surrounding. In addition, the external field eff ...
Low-field susceptibility of classical Heisenberg chains with arbitrary
Low-field susceptibility of classical Heisenberg chains with arbitrary

pptx version - Physics Department, Princeton University
pptx version - Physics Department, Princeton University

THE NOTION OF INFORMATION IN QUANTUM PHYSICS AND THE
THE NOTION OF INFORMATION IN QUANTUM PHYSICS AND THE

A Holographic Interpretation of Entanglement Entropy
A Holographic Interpretation of Entanglement Entropy

Comments on the 2nd order bootstrap relation
Comments on the 2nd order bootstrap relation

full text
full text

Dirac`s Equation and the Sea of Negative Energy
Dirac`s Equation and the Sea of Negative Energy

Measurability of Wilson loop operators
Measurability of Wilson loop operators

... Any permissible way in which a quantum state can change is described by a quantum operation, a completely positive trace-nonincreasing linear map of density operators to density operators 关3,4兴. The orthogonal measurement E in Eq. 共1兲, summed over its possible outcomes, is a special type of quantum ...
When inhibition not excitation synchronizes neural firing
When inhibition not excitation synchronizes neural firing

Chemical reaction rates using the semiclassical
Chemical reaction rates using the semiclassical

... applied to a variety of condensed phase problems. However, this model has been shown to be an approximate version of the linearized IVR and thus cannot describe quantum interference effects beyond the short time limit. Another idea for evaluating the full semiclassical IVR 共SC-IVR兲 expression withou ...
A Noncommutative Sigma Model by Mauritz van den Worm
A Noncommutative Sigma Model by Mauritz van den Worm

Field-dependence of relaxation time distributions in rock samples V
Field-dependence of relaxation time distributions in rock samples V

... Cycling NMR Relaxometer produced by Stelar Srl. Pre-polarized (PP/S) and non-polarized (NP/S) acquisition sequences have been used with the following parameters: * 128 logarithmically distributed  values (times in the relaxation field) ranging from 0.1 ms up to 4 s, * polarization field of 25 MHz, ...
Partial phase transition and quantum effects in helimagnetic
Partial phase transition and quantum effects in helimagnetic

... spin in the i − th layer is determined by two parameters which are the angle with its NN in the adjacent plane, say αi,i+1 , and the azimuthal angle βi formed with the c axis. Since there is no competing interaction in the xy planes, spins in each plane are parallel. In this paper we use the steepes ...
Field-dependence of relaxation time distributions in rock samples V
Field-dependence of relaxation time distributions in rock samples V

B.Sc. PHYSICS Honours Syllabus Under CHOICE BASED CREDIT
B.Sc. PHYSICS Honours Syllabus Under CHOICE BASED CREDIT

Full text in PDF form
Full text in PDF form

Connecting processing-capable quantum memories over telecommunication links via quantum frequency conversion
Connecting processing-capable quantum memories over telecommunication links via quantum frequency conversion

Quantum effects in energy and charge transfer in an
Quantum effects in energy and charge transfer in an

... where ωμν = E μ − E ν , and the heat-bath operator Aμν is defined in Eq. (7). Here, we use the fact that the Hamiltonian H in Eq. (6) is also expressed in terms of the operators ρμν taken at the same moment of time t. For two of these operators, ρμν (t) and ραβ (t), we have simple multiplication rul ...
Pairing in a system of a few attractive fermions in a harmonic trap
Pairing in a system of a few attractive fermions in a harmonic trap

Review on Nucleon Spin Structure
Review on Nucleon Spin Structure

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Scalar field theory

In theoretical physics, scalar field theory can refer to a classical or quantum theory of scalar fields. A scalar field is invariant under any Lorentz transformation.The only fundamental scalar quantum field that has been observed in nature is the Higgs field. However, scalar quantum fields feature in the effective field theory descriptions of many physical phenomena. An example is the pion, which is actually a pseudoscalar.Since they do not involve polarization complications, scalar fields are often the easiest to appreciate second quantization through. For this reason, scalar field theories are often used for purposes of introduction of novel concepts and techniques.The signature of the metric employed below is (+, −, −, −).
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