Results 31 to 40 of about 397,923 (311)
Two-Level Atom at Finite Temperature
Acta Physica Polonica A, 2009 Properties of a two-level atom coupled to the quantized electromagnetic field at finite temperature are determined. The analysis is based on a new method (inspired by QED) of describing qubits, developed previously at zero temperature (Phys. Rev. A 76, 062106 (2007)).
openaire +2 more sources
Inversion of a two-level atom by quantum superoscillations
Optics Letters, 2017 We show that a two-level atom with a high transition frequency ω_SO can be inverted via non-radiative interaction with a cluster of excited low-frequency two-level atoms or quantum oscillators whose transition frequencies are smaller than ω_SO. This phenomenon occurs due to the Förster resonant energy transfer arising during a train of quantum ...
Doronin, I. V. +4 more
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Novel schemes for the optical manipulation of atoms and molecules [PDF]
, 2009 The range of atoms which can be cooled by lasers is limited to those which have a closed two level structure. Several schemes have been proposed which aim to extend this range by using coherent control of the particle momenta, but none have yet been ...
Bateman, James
core
Reciprocal control of viral infection and phosphoinositide dynamics
FEBS Letters, EarlyView.Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley +1 more source
Coherent excitation of ultracold atoms between ground and Rydberg states [PDF]
, 2011 This thesis describes the development of an experiment to study coherent population transfer between ground states, and between ground and Rydberg states, in ultracold atoms.
Abel, Richard Philip +1 more
core
Single-atom imaging of fermions in a quantum-gas microscope [PDF]
, 2015 The authors acknowledge support by EU (ERC-StG FERMILATT, SIQS, Marie Curie Fellowship to E.H.), EPSRC, Scottish Universities Physics Alliance (SUPA).Single-atom-resolved detection in optical lattices using quantum-gas microscopes has enabled a new ...
Bruno Peaudecerf +13 more
core +1 more source
FEBS Letters, EarlyView.Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho +3 more
wiley +1 more source
QED for a fibrillar medium of two-level atoms [PDF]
Physical Review A, 1997 32 pages, 4 figures, uses harvmac and epsf.
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Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation
FEBS Letters, EarlyView.Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe +3 more
wiley +1 more source
Atom-atom entanglement in a not-resonant two-photon Tavis-Cummings model [PDF]
EPJ Web of Conferences, 2019 The entanglement between two two-level atoms (qubits) interacting not-resonantly with a one mode of thermal field in a lossless cavity via effective degenerate two-photon transitions is investigated.
Guslyannikova Marya O. +1 more
doaj +1 more source