Results 81 to 90 of about 517,508 (339)

A Minimal Superstring Standard Model II: A Phenomenological Study

open access: yes, 1999
Recently, we demonstrated the existence of heterotic--string solutions in which the observable sector effective field theory just below the string scale reduces to that of the MSSM, with the standard observable gauge group being just SU(3)_C x SU(2)_L x ...
A.E. Faraggi   +38 more
core   +1 more source

Quantifying Spin Defect Density in hBN via Raman and Photoluminescence Analysis

open access: yesAdvanced Functional Materials, EarlyView.
An all‐optical method is presented for quantifying the density of boron vacancy spin defects in hexagonal boron nitride (hBN). By correlating Raman and photoluminescence signals with irradiation fluence, defect‐induced Raman modes are identified and established an relationship linking optical signatures to absolute defect densities. This enables direct
Atanu Patra   +8 more
wiley   +1 more source

Structural-phenomenological stress-strain model for concrete [PDF]

open access: yesEPJ Web of Conferences, 2019
This work is devoted to the improvement mathematical apparatus for describing the stress-strain state of structures made of heterogeneous materials and modeling the processes of their deformation under load.
Danilov Maksim, Bardaev Pavel
doaj   +1 more source

On kaonic hydrogen. Phenomenological quantum field theoretic model revisited

open access: yes, 2005
We argue that due to isospin and U-spin invariance of strong low-energy interactions the S-wave scattering lengths a^0_0 and a^1_0 of bar-KN scattering with isospin I=0 and I = 1 satisfy the low-energy theorem a^0_0 + 3 a^1_0 = 0 valid to leading order ...
)   +34 more
core   +1 more source

Superconformal technicolor: Models and phenomenology

open access: yesPhysical Review D, 2012
In supersymmetric theories with a strong conformal sector, soft supersymmetry breaking naturally gives rise to confinement and chiral symmetry breaking in the strong sector at the TeV scale. We construct and analyze models where such a sector dynamically breaks electroweak symmetry, and take the first steps in studying their phenomenology.
Azatov, Aleksandr   +2 more
openaire   +3 more sources

The Dynamics of Interfacial Trap States in High‐Detectivity Near‐Infrared Photomultiplication Organic Photodetectors

open access: yesAdvanced Functional Materials, EarlyView.
Photomultiplication organic photodetectors (PM OPDs) are an attractive strategy for health‐monitoring. Here, PM‐OPDs are reported with a specific detectivity of 5.7 × 1012 Jones and external quantum efficiency values of 3500% under −10 V. The dynamics of carrier trapping in these devices are elucidated through trap selective spectroscopical techniques.
Marie Houot   +9 more
wiley   +1 more source

Phenomenological model of superconducting optoelectronic loop neurons

open access: yesPhysical Review Research, 2023
Superconducting optoelectronic loop neurons are a class of circuits potentially conducive to networks for large-scale artificial cognition. These circuits employ superconducting components including single-photon detectors, Josephson junctions, and ...
Jeffrey M. Shainline   +2 more
doaj   +1 more source

Phenomenological Material Model for First-Order Electrocaloric Material

open access: yesEnergies, 2023
Caloric cooling systems are potentially more efficient than systems based on vapour compression. Electrocaloric cooling systems use a phase transformation from the paraelectric to the ferroelectric state by applying or removing an electric field to pump ...
Sabrina Unmüßig   +4 more
doaj   +1 more source

Phenomenological Consequences of the Constrained Exceptional Supersymmetric Standard Model

open access: yes, 2009
The Exceptional Supersymmetric Standard Model (E$_6$SSM) provides a low energy alternative to the MSSM, with an extra gauged U(1)$_N$ symmetry, solving the $\mu$-problem of the MSSM.
Athron, P.   +4 more
core   +1 more source

Exciton Binding Energy Modulation in 2D Perovskites: A Phenomenological Keldysh Framework

open access: yesAdvanced Functional Materials, EarlyView.
The intrinsic screening effects are successfully decoupled from structural distortion by rigorously designing a series of 2D perovskites. This enabled us to demonstrate how the dielectric environment modulates the quasiparticle bandgap and exciton binding energy.
Kitae Kim   +15 more
wiley   +1 more source

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