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Computing on quantum shared secrets for general quantum access structures
, Article Quantum Information Processing ; Volume 18, Issue 4 , 2019 ; 15700755 (ISSN) ; Boreiri, S ; Karimipour, V ; Sharif University of Technology
Springer New York LLC
2019
Abstract
Quantum secret sharing is a method for sharing a secret quantum state among a number of individuals such that certain authorized subsets of participants can recover the secret shared state by collaboration and other subsets cannot. In this paper, we first propose a method for sharing a quantum secret in a basic (2, 3) threshold scheme, only by using qubits and the 7-qubit CSS code. Based on this (2, 3) scheme, we propose a new (n, n) scheme, and we also construct a quantum secret sharing scheme for any quantum access structure by induction. Secondly, based on the techniques of performing quantum computation on 7-qubit CSS codes, we introduce a method that authorized subsets can perform...
Simulation of Spontaneous Capilary Imbibition and Gravity Effects on Oil Recovery in Naturally Fractured Reservoirs
,
M.Sc. Thesis
Sharif University of Technology
;
Jamshidi, Saeed
(Supervisor)
;
Bozorgmehri, Ramin
(Supervisor)
Abstract
Oil reservoirs, have integrated identity; that is they consist of different parameters such as wettablity, initial water saturation, capillary and gravity forces, etc. which are related to each other and affect ultimate recovery simultaneously. In fractured reservoirs, other parameters such as fractures and complex geological structures are also considered among important parameters which affect ultimate recovery. Due to large amount of reserves, fractured reservoirs are subject to different studies and simulations. In this research, different parameters which affect ultimate recovery in fractured reservoirs, are studied and simulated. Different studies ...