$VAC vacuum

Latest papers

1. Strangeness suppression, the $\phi$ meson and $\Lambda\bar\Lambda$ spin correlations from exact strangeness conservation at the quark level hep-ph · 14 Oct · 1 hit

   …the combinations of a strange quark with the antiquark created together with it. A pair created from the vacuum cannot form a $\phi$, a pair created from a gluon can only if it loses its color. With one function of…

2. Relative entropy in quantum field theory: the case of squeezed fermions math-ph · 14 Oct · 1 hit

   …As a new result, we prove that the relative entropy between a locally squeezed state and the Minkowski vacuum is finite for free fermions.

3. Bouncing Bianchi Type I Universes with Interacting Vacuum astro-ph.CO · 14 Oct · 3 hits

   …viability of non-singular solutions in an anisotropic Bianchi type I universe featuring an interacting vacuum energy component $V$ and a perfect fluid $\rho$, extending previous work based on a Robertson-Walker…

4. Realisation of de Sitter space as an excited state in string theory hep-th · 14 Oct · 1 hit

   …state over a time-independent supersymmetric Minkowski background provides a mechanism for evading the vacuum-based no-go theorems that obstruct de Sitter solutions in string theory. Starting from a generic…

5. Directional effects of the Unruh effect on steering harvesting gr-qc · 14 Oct · 2 hits

   …accelerated non-identical Unruh-DeWitt detectors coupled to a massless scalar field in the Minkowski vacuum. We show that the Unruh effect does not simply degrade harvested steering, but can reshape its…

6. Enabling Tidying Tasks in Robotic Vacuum Cleaners via a Geometry-Induced Self-Locking Deployable Linkage cs.RO · 14 Oct · 4 hits

   Robotic vacuum cleaners must extend their functionality within tight limits on size, cost, and durability. Deployable…

7. Near-field contributions to cavity-mediated radiative heat transfer physics.optics · 14 Oct · 1 hit

   …regime. Our results add to the idea that cavities can modify material properties not only by engineering vacuum fluctuations in the strong light-matter coupling regime, but also by controlling radiative dissipation…

8. Quantum noise and torque correlations in a torsion-bar Sagnac speed meter gr-qc · 14 Oct · 2 hits

   …that, in the Cryogenic sub-Hz cROss torsion bar detector with quantum NOn-demolition Speed meter (CHRONOS), vacuum fields entering from behind the end and middle test masses can dominate the low-frequency quantum…