Results 111 to 120 of about 32,344 (267)

Fate of surface gaps in magnetic topological insulators

open access: yesJPhys Materials
In magnetic topological insulators, the surface states can exhibit a gap due to the breaking of time-reversal symmetry. Various experiments, while suggesting the existence of the surface gap, have raised questions about its underlying mechanism in the ...
Habib Rostami, Ali G Moghaddam
doaj   +1 more source

Gauge-Invariant Slavnov–Taylor Decomposition for Trilinear Vertices

open access: yesUniverse
We continue the analysis of the gauge-invariant decomposition of amplitudes in spontaneously broken massive gauge theories by performing the characterization of separately gauge-invariant subsectors for amplitudes involving trilinear interaction vertices
Andrea Quadri
doaj   +1 more source

Renormalization Theory [PDF]

open access: bronze, 1966
E. R. Caianiello   +2 more
openalex   +1 more source

Light‐Induced On‐Surface Reactions: Bridging Photochemistry and Surface Science

open access: yesChemPlusChem, EarlyView.
This minireview examines molecular on‐surface photochemistry as an emerging strategy for synthesizing carbon‐based nanomaterials on substrates. A special emphasis is placed on bridging traditional photochemistry principles with surface science concepts.
Federico Frezza   +3 more
wiley   +1 more source

Decoupling Limits in Effective Field Theories via Higher Dimensional Operators

open access: yesUniverse
The non-decoupling effects of heavy scalars and vector fields play an important role in the indirect search for Beyond the Standard Model (BSM) physics at the LHC.
Andrea Quadri
doaj   +1 more source

On the Density–Density Correlations of the Non‐Interacting Finite Temperature Electron Gas

open access: yesContributions to Plasma Physics, EarlyView.
ABSTRACT The density–density correlations of the non‐interacting finite temperature electron gas are discussed in detail. Starting from the ideal linear density response function and utilizing general relations from linear response theory, known and novel expressions are derived for the pair correlation function, static structure factor, dynamic ...
Panagiotis Tolias   +2 more
wiley   +1 more source

Ionization Potential Depression and Fermi Barrier in Warm Dense Matter: A First‐Principles Approach

open access: yesContributions to Plasma Physics, EarlyView.
ABSTRACT Ionization potential depression (IPD) is of crucial importance to understand and accurately predict the properties of dense, partially ionized plasmas. Many models of IPD have been developed that, however, exhibit largely varying results. Recently, a novel approach was proposed that is based on first‐principles quantum Monte Carlo simulations ...
Michael Bonitz, Linda Kordts
wiley   +1 more source

Self-Localized Quasi-Particle Excitation in Quantum Electrodynamics and Its Physical Interpretation

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2007
The self-localized quasi-particle excitation of the electron-positron field (EPF) is found for the first time in the framework of a standard form of the quantum electrodynamics.
Ilya D. Feranchuk, Sergey I. Feranchuk
doaj  

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