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- Stockholm UniversitySE108 papers
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6 papers · 1 filter
CHSH type Bell inequalities involving a party with two or three local binary settings
Yu-Chun Wu, Piotr Badziag, Marek Żukowski
We construct a simple algorithm to generate any CHSH type Bell inequality involving a party with two local binary measurements from two CHSH type inequalities without this party. T…
The Frame Potential, on Average
Ingemar Bengtsson, Helena Granstrom
A SIC consists of N^2 equiangular unit vectors in an N dimensional Hilbert space. The frame potential is a function of N^2 unit vectors. It has a unique global minimum if the vecto…
Quantum interference structures in trapped ion dynamics beyond the Lamb-Dicke and rotating wave approximations
Dong Wang, Tony Hansson, Asa Larson +2
We apply wave packet methods to study an ion-trap system in the strong excitation regime imposing neither the rotating wave nor the Lamb-Dicke approximations. By this approach we s…
Extending Bell inequalities to more parties
Yu-Chun Wu, Piotr Badziag, Marcin Wieśniak +1
We describe a method of extending Bell inequalities from to parties and formulate sufficient conditions for our method to produce tight inequalities from tight inequaliti…
Spectra of phase point operators in odd prime dimensions and the extended Clifford group
D. M. Appleby, Ingemar Bengtsson, S. Chaturvedi
We analyse the role of the Extended Clifford group in classifying the spectra of phase point operators within the framework laid out by Gibbons et al for setting up Wigner distribu…
Explicit form of correlation function three-settings tight Bell inequalities for three qubits
Marcin Wiesniak, Piotr Badziag, Marek Zukowski
We present a method to derive explicit forms of tight correlation function Bell inequalities for three systems and dichotomic observables, which involve three settings for each obs…