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7 papers · 2 filters
Nonperturbative access to Casimir-Polder forces
Babette Döbrich, Maarten DeKieviet, Holger Gies
We discuss the scalar analogue of the Casimir-Polder force between a sphere and a uniaxially corrugated surface with Dirichlet boundary conditions. Presenting a formulation that is…
Finite-Temperature Fidelity-Metric Approach to the Lipkin-Meshkov-Glick Model
D. D. Scherer, C. A. Müller, M. Kastner
The fidelity metric has recently been proposed as a useful and elegant approach to identify and characterize both quantum and classical phase transitions. We study this metric on t…
Casimir-Polder interaction between an atom and a small magnetodielectric sphere
Agnes Sambale, Stefan Yoshi Buhmann, Stefan Scheel
On the basis of macroscopic quantum electrodynamics and point-scattering techniques, we derive a closed expression for the Casimir-Polder force between a ground-state atom and a sm…
Casimir force on amplifying bodies
Agnes Sambale, Dirk-Gunnar Welsch, Stefan Yoshi Buhmann +1
Based on a unified approach to macroscopic QED that allows for the inclusion of amplification in a limited space and frequency range, we study the Casimir force as a Lorentz force…
Detection and typicality of bound entangled states
Joonwoo Bae, Markus Tiersch, Simeon Sauer +4
We derive an explicit analytic estimate for the entanglement of a large class of bipartite quantum states which extends into bound entanglement regions. This is done by using an ef…
Impact of amplifying media on the Casimir force
Agnes Sambale, Dirk-Gunnar Welsch, Stefan Yoshi Buhmann +1
On the basis of macroscopic quantum electrodynamics, a theory of Casimir forces in the presence of on linearly amplifying bodies is presented which provides a consistent framework…