Results 11 to 20 of about 1,092,634 (357)
Few-cycle vacuum squeezing in nanophotonics [PDF]
One of the most fundamental quantum states of light is the squeezed vacuum, in which noise in one of the quadratures is less than the standard quantum noise limit.
Rajveer Nehra +6 more
semanticscholar +1 more source
Breakdown of topological protection by cavity vacuum fields in the integer quantum Hall effect [PDF]
The prospect of controlling the electronic properties of materials via the vacuum fields of cavity electromagnetic resonators is emerging as one of the frontiers of condensed matter physics.
F. Appugliese +8 more
semanticscholar +1 more source
Sequential vacuum-evaporated perovskite solar cells with more than 24% efficiency
Vacuum evaporation is promising for the high-throughput fabrication of perovskite solar cells (PSCs) because of its solvent-free characteristic, precise control of film thickness, and compatibility with large-scale production.
Hang Li +11 more
semanticscholar +1 more source
Three-pion contribution to hadronic vacuum polarization [PDF]
We address the contribution of the 3π channel to hadronic vacuum polarization (HVP) using a dispersive representation of the e+e− → 3π amplitude. This channel gives the second-largest individual contribution to the total HVP integral in the anomalous ...
M. Hoferichter, Bai-Long Hoid, B. Kubis
semanticscholar +1 more source
As an example of the unification of gravitation and particle physics, an exact solution of the five-dimensional field equations is studied which describes waves in the classical Einstein vacuum. While the solution is essentially 5D in nature, the waves exist in ordinary 3D space, and may provide a way to test for an extra dimension.
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Vacuum Čerenkov Radiation [PDF]
Within the classical Maxwell-Chern-Simons limit of the Standard-Model Extension (SME), the emission of light by uniformly moving charges is studied confirming the possibility of a Cherenkov-type effect. In this context, the exact radiation rate for charged magnetic point dipoles is determined and found in agreement with a phase-space estimate under ...
Lehnert, Ralf, Potting, Robertus
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Vacuum-Induced Transparency [PDF]
The transmission of light through an atomic gas can be controlled by manipulating the confining cavity.
Chen, Wenlan +4 more
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An ultrashort H‐plane sheet beam traveling‐wave tube (SB‐TWT) coupler without transition structure is proposed. The coupler adopts a new idea of directly coupling the microwave from H‐plane of the slow‐wave circuit (SWC) and optimizes the matching by ...
Zheng Guo +3 more
doaj +1 more source
Two-pion contribution to hadronic vacuum polarization [PDF]
A bstractWe present a detailed analysis of e+e− → π+π− data up to s=1$$ \sqrt{s}=1 $$ GeV in the framework of dispersion relations. Starting from a family of ππ P-wave phase shifts, as derived from a previous Roy-equation analysis of ππ scattering, we ...
G. Colangelo, M. Hoferichter, P. Stoffer
semanticscholar +1 more source
Vacuum energy and $��$--vacuum [PDF]
The highly non-trivial structure of the $ $--vacuum encodes many of the fundamental properties of gauge theories. In particular, the response of the vacuum to the $ $--term perturbation is sensitive to the existence of confinement, chiral symmetry breaking, etc. We analyze the dependence of the vacuum energy density on theta around two special values,
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