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Uncontrolled disorder effects in fabricating photonic quantum simulators on a kagome geometry: A projected-entangled-pair-state versus exact- diagonalization analysis
, Article Physical Review A - Atomic, Molecular, and Optical Physics ; Vol. 89, Issue. 6 , 2014 ; ISSN: 10502947 ; Dezfouli, B. G ; Ghasemipour, F ; Rezakhani, A. T ; Saberi, H ; Sharif University of Technology
Abstract
We propose a flexible numerical framework for extracting the energy spectra and photon transfer dynamics of a unit kagome cell with disordered cavity-cavity couplings under realistic experimental conditions. A projected-entangled pair state (PEPS) Ansatz to the many-photon wave function allows us to gain a detailed understanding of the effects of undesirable disorder in fabricating well-controlled and scalable photonic quantum simulators. The correlation functions associated with the propagation of two-photon excitations reveal intriguing interference patterns peculiar to the kagome geometry and promise at the same time a highly tunable quantum interferometry device with a signature for the...
Analysis of Various Approaches for Expounding Dissipative Effects in
Open Quantum Systems
,
Ph.D. Dissertation
Sharif University of Technology
;
Shafiee, Afshin
(Supervisor)
Abstract
Quantum Theory leads to results that are consistent with the very high accuracy with experience and also includes a wide range of empirical phenomena. Hence, quantum mechanics is accepted as the best and most acclaimed physical theory. However, there is still no consensus between physicists on the interpretation of parts of this theory. One of the unresolved issues in quantum mechanics is the measurement problem. The basis of the measurement problem is a kind of transition from the quantum world to the classical world. The fundamental question that arises here is, where is the boundary between quantum mechanics and classical mechanics? and how can be described the transition from quantum...