Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Adam Stokes"'
Publikováno v:
Journal of Global Faultlines, Vol 11, Iss 1, Pp 71-80 (2024)
The role of the military is often clear: identify, engage, and destroy the enemy. This is true of all conflicts throughout human history, with armies varying in complexity and scale. This function is distinct from that of policing, which aims to prod
Externí odkaz:
https://doaj.org/article/880371d946ca44d08746410af3321435
Publikováno v:
Frontiers in Rehabilitation Sciences, Vol 3 (2022)
Current myoelectric upper limb prostheses do not restore sensory feedback, impairing fine motor control. Mechanotactile feedback restoration with a haptic sleeve may rectify this problem. This randomised crossover within-participant controlled study
Externí odkaz:
https://doaj.org/article/b36666f4c1424164bd9fe188dbbe69fe
Autor:
Adam Stokes, Ahsan Nazir
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-9 (2019)
Modelling of light-matter interaction in the ultrastrong coupling regime is still debated. Here, the authors study the consequences of gauge freedom for a two-level system in a single-mode cavity, showing that the Jaynes-Cummings model can outperform
Externí odkaz:
https://doaj.org/article/e03425b355a34cb2a287f37c62491a10
Autor:
Adam Stokes, Ahsan Nazir
Publikováno v:
Physical Review Research, Vol 3, Iss 1, p 013116 (2021)
Time-dependent light-matter interactions are a widespread means by which to describe controllable experimental operations. They can be viewed as an approximation in which a third system, the control system, is treated as external within the Hamiltoni
Externí odkaz:
https://doaj.org/article/ea339842e99b460c950bf7beb63e0c2d
Autor:
Adam Stokes, Ahsan Nazir
Publikováno v:
New Journal of Physics, Vol 20, Iss 4, p 043022 (2018)
We consider a pair of dipoles such as Rydberg atoms for which direct electrostatic dipole–dipole interactions may be significantly larger than the coupling to transverse radiation. We derive a master equation using the Coulomb gauge, which naturall
Externí odkaz:
https://doaj.org/article/56aeca1e6c7b48fe8d81943213284e15
Autor:
Adam Stokes
Publikováno v:
Quantum, Vol 2, p 46 (2018)
The solution to the wave equation as a Cauchy problem with prescribed fields at an initial time $t=0$ is purely retarded. Similarly, in the quantum theory of radiation the specification of Heisenberg picture photon annihilation and creation operators
Externí odkaz:
https://doaj.org/article/d928e1ea8ec448beb101bd75106de4e4
Autor:
Adam Stokes, Robert Bennett
Publikováno v:
New Journal of Physics, Vol 17, Iss 7, p 073012 (2015)
Boundary conditions (BCs) for the Maxwell and Dirac fields at material surfaces are widely-used and physically well-motivated, but do not appear to have been generalized to deal with higher spin fields. As a result there is no clear prescription as t
Externí odkaz:
https://doaj.org/article/4bfefa5b7a214067b79a324cc7bc6a43
Publikováno v:
International Symposium for Testing and Failure Analysis.
Complex failure analysis often requires the use of multiple characterization instruments. For example, a defect or failure may be localized using one tool, whereas the subsequent marking, precision targeting, and high-resolution analysis may require
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb10d5592581560fb2c8d927cb977daa
https://doi.org/10.31399/asm.cp.istfa2022p0211
https://doi.org/10.31399/asm.cp.istfa2022p0211
Publikováno v:
Rouse, D, Stokes, A & Nazir, A 2023, ' Theory of photon condensation in an arbitrary-gauge condensed matter cavity model ', Physical Review B: Condensed Matter and Materials Physics, vol. 107, no. 20 . https://doi.org/10.1103/PhysRevB.107.205128
We derive an arbitrary-gauge criterion under which condensed matter within an electromagnetic field may transition to a photon condensed phase. Previous results are recovered by selecting the Coulomb-gauge wherein photon condensation can only occur f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81bf628355827a1a54ba8ee2636b8982
Autor:
Ahsan Nazir, Adam Stokes
Publikováno v:
Physical Review A. 104
For over six decades, quantum electrodynamics (QED) in multipolar form has been an invaluable tool for understanding quantum-scale atomic and molecular interactions. However, its relation to the Poincare-gauge has been a recent topic of controversy a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18a70363b7e8fdd22eed90e1ea83479f
https://doi.org/10.1103/physreva.104.032227
https://doi.org/10.1103/physreva.104.032227