de
en
Schliessen
Detailsuche
Bibliotheken
Projekt
Impressum
Datenschutz
zum Inhalt
Detailsuche
Schnellsuche:
OK
Ergebnisliste
Titel
Titel
Inhalt
Inhalt
Seite
Seite
Im Dokument suchen
Budroni, Costantino: Temporal quantum correlations and hidden variable models. 2014
Inhalt
Abstract
Zusammenfassung
Contents
Introduction
1. Preliminary notions
1.1 Hidden variable theories
1.2 Local hidden variables and Bell's theorem
Local hidden variables
CHSH inequality and Bell's theorem
Experimental tests
1.3 Noncontextual hidden variables and Kochen-Specker theorem
Noncontextual hidden variable theories
Kochen and Specker's original problem
Kochen-Specker theorem
State-independent contextuality
1.4 Macrorealist theories and Leggett-Garg inequalities
Macrorealist theories
Continuous variables
Quantum violations
1.5 Correlations polytopes
Definition
Examples
1.6 Tsirelson bound
Original argument
Semidefinite programming approach
1.7 Linear and semidefinite programming
2. Noncontextuality inequalities from variable elimination
2.1 Extension of measures and consistency conditions
2.2 Bell inequalities
CHSH polytope from Bell-Wigner polytope
Bipartite (2,n) scenario
Two parties, three settings
Bipartite (3,n) scenario
Multipartite (m,…,m,n) scenario
Computational results
2.3 Noncontextuality inequalities: The n-cycle scenario
2.4 Discussion
3. Optimal tests for state-independent contextuality
3.1 Optimization method
3.2 Applications
Yu and Oh
Extended Peres-Mermin set
Cabello, Estebaranz, and García-Alcaine's 18-vector proof
3.3 Experimental tests
3.4 Discussion
4. Quantum bounds for temporal correlations
4.1 Sequential projective measurements
4.2 The simplified method
4.3 The general method
4.4 Applications
4.5 Details of the calculations
Discussion of the simplest Leggett-Garg scenario
Detailed discussion of sequential bounds for the N-cycle inequalities
Completeness of the general method
Quantum bounds for compatible measurements in the N-cycle scenario
4.6 Discussion
5. Dimension witnesses
5.1 Noncontextuality and dimension witnesses
The KCBS inequality
The KCBS inequality with incompatible observables
The Peres-Mermin inequality
The PM inequality with incompatible observables
Imperfect measurements
Experimental results
Generalizations
5.2 Sequential measurements and Leggett-Garg inequality
The measurement scheme
A simple example
Asymptotic limit
Maximum violations
Temporal versus spatial correlations
5.3 Details of the calculations
Alternative proof of Observation 1
Detailed discussion of the N-cycle inequalities
Detailed proof of Observation 2
Proof of Observation 3
Imperfect measurements
Asymptotic value of the Leggett-Garg correlator for the precessing spin model
5.4 Discussion
Conclusions
Bibliography
List of publications