1.4k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- G. Röpke2 profiles93 · h 41
- D. Blaschke2 profiles88 · h 43
- W. Vogel2 profiles65 · h 38
- A. Szameit2 profiles58 · h 73
- J. Sperling51 · h 29
- M. Beyer47 · h 16
- Werner Vogel3 profiles46 · h 12
- S. Scheel2 profiles45 · h 36
- P. Schuck3 profiles42 · h 36
- G. Ropke2 profiles41 · h 20
- O. Kühn2 profiles40 · h 42
- R. Redmer39 · h 50
- Rutherford Appleton LaboratoryGB924 papers
- University of LiverpoolGB922 papers
- University of ManchesterGB921 papers
- Budker Institute of Nuclear PhysicsRU907 papers
- University of CincinnatiUS893 papers
- University of EdinburghGB891 papers
- Imperial College LondonGB885 papers
- Heidelberg UniversityDE868 papers
- Massachusetts Institute of TechnologyUS868 papers
- University of Maryland, College ParkUS849 papers
- University of WarwickGB844 papers
- Centre National de la Recherche ScientifiqueFR831 papers
8 papers · 2 filters
Experimental test of nonclassicality criteria
T. Kiesel, W. Vogel, B. Hage +3
We experimentally examine the nonclassical character of a class of non-Gaussian states known as phase-diffused squeezed states. These states may show no squeezing effect at all, an…
Representation of entanglement by negative quasi-probabilities
J. Sperling, W. Vogel
Any bipartite quantum state has quasi-probability representations in terms of separable states. For entangled states these quasi-probabilities necessarily exhibit negativities. Bas…
Verifying continuous-variable entanglement in finite spaces
J. Sperling, W. Vogel
Starting from arbitrary Hilbert spaces, we reduce the problem to verify entanglement of any bipartite quantum state to finite dimensional subspaces. Hence, entanglement is a finite…
Entanglement in a Raman-driven cascaded system
C. Di Fidio, W. Vogel
The dynamics of a cascaded system that consists of two atom-cavity subsystems is studied by using the quantum trajectory method. Considering the two atom-cavity subsystems driven b…
Necessary and sufficient conditions for bipartite entanglement
J. Sperling, W. Vogel
Necessary and sufficient conditions for bipartite entanglement are derived, which apply to arbitrary Hilbert spaces. Motivated by the concept of witnesses, optimized entanglement i…
Experimental determination of a nonclassical Glauber-Sudarshan P function
T. Kiesel, W. Vogel, V. Parigi +2
A quantum state is nonclassical if its Glauber-Sudarshan P function fails to be interpreted as a probability density. This quantity is often highly singular, so that its reconstruc…
Quaternions, octonions and Bell-type inequalities
E. Shchukin, W. Vogel
Multipartite Bell-type inequalities are derived for general systems. They involve up to eight observables with arbitrary spectra on each site. These inequalities are closely relate…
Propagation of Nonclassical Radiation through a Semiconductor Slab
D. Yu. Vasylyev, W. Vogel, T. Schmielau +2
Based on a microscopic derivation of the emission spectra of a bulk semiconductor we arrive at a clear physical interpretation of the noise current operators in macroscopic quantum…