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Vacuum polarization

Vacuum polarization on the brane

Vacuum polarization on the brane

... The vacuum polarization has been computed on a wide variety of black hole space-times in four dimensions [40 – ...renormalized vacuum polarization on the event horizon of a five-dimensional ...

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Electromagnetic Retarded Potential Induced by Quantum Vacuum Polarization

Electromagnetic Retarded Potential Induced by Quantum Vacuum Polarization

... lasers, vacuum is no longer linear but generally behaves as a nonlinear dielectric medium due to the quantum polarization effect ...of vacuum polarization becomes more and more important, and a ...

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Estimate of the hadronic vacuum polarization disconnected contribution to the anomalous magnetic moment of the muon from lattice QCD

Estimate of the hadronic vacuum polarization disconnected contribution to the anomalous magnetic moment of the muon from lattice QCD

... hadronic vacuum polarization contribution to the anomalous magnetic moment of the ...hadronic vacuum polarization contribution with an uncertainty which is 1% of that ...

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Vacuum polarization in a static uniform electromagnetic field with applications to pulsars

Vacuum polarization in a static uniform electromagnetic field with applications to pulsars

... induced vacuum charge that is proportional to the bare charge, with a logarithmically divergent coefficient, would result in an effective reduction of the magnitude of all charges by a constant factor which would ...

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Muon g-2 and Hadronic Vacuum Polarization: Recent Developments

Muon g-2 and Hadronic Vacuum Polarization: Recent Developments

... hadronic vacuum polarization extracted from the cross sections of e + e − annihilation into hadrons measured by a scan method at CMD-2 and SND detectors at the VEPP-2M and initial-state radiation (ISR) at ...

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Renormalized vacuum polarization on rotating warped AdS3 black holes

Renormalized vacuum polarization on rotating warped AdS3 black holes

... The contents of the paper are as follows. We begin in Sec. II with the quantization of a massive scalar field on the spacelike stretched black hole bounded by a mirror, in- cluding a short description of the Hadamard ...

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Vacuum polarization in the model of Dirac fermions with anomalous magnetic moment interacting with background axial-vector condensate and magnetic field

Vacuum polarization in the model of Dirac fermions with anomalous magnetic moment interacting with background axial-vector condensate and magnetic field

... consider vacuum polarization effects in the model of charged fermions with anomalous magnetic moment and axial-vector interaction term in a uni- form magnetic ...

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Variations on Photon Vacuum Polarization

Variations on Photon Vacuum Polarization

... I present some supplementary material on hadronic vacuum polarization effects which had not been included in my recent book [1] and the Frascati and Capri proceedings [2, 3]. On the data side recent BaBar ...

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The vacuum polarization paradox and its solution

The vacuum polarization paradox and its solution

... the vacuum polarization paradox can be solved by conceiving the vacuum particles that vibrate because of the Heisenberg uncertainty (or thermodynamic unrest), as gravitational Majorana ...

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From Hadronic Cross Section to the measurement of the Vacuum Polarization at KLOE: a fascinating endeavour

From Hadronic Cross Section to the measurement of the Vacuum Polarization at KLOE: a fascinating endeavour

... by normalizing to the muon ISR di ff erential cross section. In this approach the integrated luminosity as well as the radiation function H cancel in the ratio, as does the vacuum polarisation. In addition using ...

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A lattice calculation of the hadronic vacuum polarization contribution to (g – 2)µ

A lattice calculation of the hadronic vacuum polarization contribution to (g – 2)µ

... of dynamical quarks. In order to combat the problem of topology freezing, a large fraction of the ensembles have open boundary conditions [26, 27], which precludes the determination of the vacuum polarisation via ...

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Electromagnetic corrections to the hadronic vacuum polarization of the photon within QEDL and QEDM

Electromagnetic corrections to the hadronic vacuum polarization of the photon within QEDL and QEDM

... One way to go could be to rescale the bare values for the change in the quark mass and the strong coupling (reflected in the change of the lattice spacing), when considering the electrom[r] ...

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Vacuum polarization for lukewarm black holes

Vacuum polarization for lukewarm black holes

... Hartle-Hawking vacuum possesses the most symmetries (for example, time reversal symmetry) and so is more straightforward to calculate. Expectation values of ob- servables in this state are also expected to be ...

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Hadronic vacuum polarization: three-pion channel

Hadronic vacuum polarization: three-pion channel

... Identifying the tensions in [66], our analysis completes another independent check for the 3 π -channel HVP contribution with the global fit function fulfilling QCD constraints, compleme[r] ...

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e+e− hadronic cross section and the muon g − 2

e+e− hadronic cross section and the muon g − 2

... where α( s ) is the running electromagnetic coupling constant, R ( s ) is the ratio of the bare (no vacuum polarization) e + e − hadronic cross section and the point like muon-pair cross section. K ( s ) is ...

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Energy spectra of muonic atoms in quantum electrodynamics

Energy spectra of muonic atoms in quantum electrodynamics

... Abstract. Vacuum polarization, nuclear structure and recoil, radiative correc- tions to the hyperfine structure of S-states in muonic ions of lithium, beryllium and boron are calculated on the basis of ...

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ChPT loops for the lattice: pion mass and decay constant, HVP at finite volume and nn̅-oscillations

ChPT loops for the lattice: pion mass and decay constant, HVP at finite volume and nn̅-oscillations

... Abstract. I present higher loop order results for several calculations in Chiral perturba- tion Theory. 1) Two-loop results at finite volume for hadronic vacuum polarization. 2) A three-loop calculation of ...

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Hyperfine structure of muonic mesomolecules tdµ, tpµ, dpµ in variational method

Hyperfine structure of muonic mesomolecules tdµ, tpµ, dpµ in variational method

... relativistic, vacuum polarization and nuclear structure corrections to the ground state energy are calculated for tdµ, tpµ and dpµ hydrogen mesomolecular ...ions. Vacuum polarization and ...

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Measurement of hadronic form factors at BESIII

Measurement of hadronic form factors at BESIII

... In fact, the measured cross section using the experimental data contains the vacuum polarization and the final state radiation (FSR) e ff ects, the corresponding term in the theory is th[r] ...

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Convergence in Quantum field theory without use of renormalization

Convergence in Quantum field theory without use of renormalization

... of vacuum polarization”, Physics letters A, 198, 126-130 (1995) [13] Iwo Bialynicki-Birula, “Comment on “Quantum electrodynamics based on self-energy: Lamb shift and spontaneous emission without field ...

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