Browsing by Author "Altıntaş, Azmi Ali"
Now showing items 117 of 17

Alpha head on collision with a fixed gold nucleus, taking into account the relativistic rest mass variation as implied by massenergy equivalence
Yarman, Nuh Tolga; Arık, Metin; Kholmetskii, Alexander; Altıntaş, Azmi Ali; Özaydın, Fatih (Polish Acad Sciences Inst Physics, 201402)We reformulate the Rutherford scattering of alpha particle for a head on collision, taking into account the rest mass variation of the particle, as implied by the energy conservation law. Our relativistic reformulation ... 
Analysis of entanglement measures and LOCC maximized quantum fisher information of general two qubit systems
Erol, Volkan; Özaydın, Fatih; Altıntaş, Azmi Ali (Nature Publishing Group, 20140624)Entanglement has been studied extensively for unveiling the mysteries of nonclassical correlations between quantum systems. In the bipartite case, there are well known measures for quantifying entanglement such as ... 
Behavior of quantum fisher information of bell pairs under decoherence channels
Özaydın, Fatih; Altıntaş, Azmi Ali; Buğu, Sinan; Yeşilyurt, Can (Polish Acad Sciences Inst Physics, 201402)Quantum Fisher information has recently been an essential tool for analyzing the phase sensitivity of the quantum states in various quantum tasks, requiring high precision, such as quantum clock synchronization, positioning ... 
Constructing quantum logic gates using qdeformed harmonic oscillator algebras
Altıntaş, Azmi Ali; Özaydın, Fatih; Yeşilyurt, Can; Buğu, Sinan; Arık, Metin (Springer, 201404)We study twolevel qdeformed angular momentum states, and using qdeformed harmonic oscillators, we provide a framework for constructing qubits and quantum gates. We also present the construction of some basic onequbit ... 
Deterministic local doubling of W states
Özaydın, Fatih; Yeşilyurt, Can; Buğu, Sinan; Altıntaş, Azmi Ali; Tame, Mark S.; Yang, Lan; Özdemir, Şahin Kaya (OSA  The Optical Society, 20161101)In large quantum systems, multipartite entanglement can be found in many inequivalent classes. Preparing states of arbitrary size in different classes is important for performing a wide range of quantum protocols. W states, ... 
Fusing multiple W states simultaneously with a Fredkin gate
Özaydın, Fatih; Buğu, Sinan; Yeşilyurt, Can; Altıntaş, Azmi Ali; Tame, Mark; Kaya Özdemir, Şahin (American Physical Society, 20140414)We propose an optical scheme to prepare largescale entangled networks of W states. The scheme works by simultaneously fusing three polarizationencoded W states of arbitrary size via accessing only one qubit of each W ... 
Generalized lorentz group of spacetime transformations
Yarman, Tolga; Altıntaş, Azmi Ali; Kholmetskii, Alexander; Arık, Metin; Marchal, Christian B.; Yarman, Ozan; Özaydın, Fatih (Işık University Press, 2020)We examine how Lorentz Symmetry (LS) breaks down in YarmanArikKholmetskii (YARK) theory of gravitation through an entirely different mechanism than that under metric theories of gravity. Said mechanism can be right away ... 
İki qubit’lik kuantum haberleşme ağlarının eş zamanlılık donanıklık ölçütü ile kuantum Fisher bilgisinin analizi
Erol, Volkan; Buğu, Sinan; Özaydın, Fatih; Altıntaş, Azmi Ali (IEEE, 20140612)Kuantum dolanıklık, kuantum haberleşme mühendisliğinin en temel kavramlarından biridir. Kuantum sistemlerin dolanıklık ölçütlerine göre sıralanması günümüzde oldukça çok çalışılan konulardan birisidir. İki parçacıklı iki ... 
KübitKütrit kuantum haberleşme sistemleri için negatiflik ve dolanıklığın göreceli entropisi ölçütlerinin analizi
Erol, Volkan; Altıntaş, Azmi Ali; Özaydın, Fatih (IEEE, 20150619)Kuantum Bilgi Teorisi ve Kuantum Hesaplama konuları geleceğin bilgisayar teknolojisi olarak nitelendirilen ve çok yüksek hızlarda işlem yapacak olması öngörülen Kuantum Bilgisayarlarının teorik temelini oluşturan oldukça ... 
A novel approach to the systematization of alphadecaying nuclei, based on shell structures
Yarman, Nuh Tolga; Zaim, Nimet; Kholmetskii, Alexander; Arık, Metin; Altıntaş, Azmi Ali; Özaydın, Fatih; Susam, Lidya Amon (Springer, 20160524)We provide a novel systematization of alphadecaying nuclei, starting with the classically adopted mechanism. The decay halflife of an alphadisintegrating nucleus is framed, supposing that i) the alphaparticle is born ... 
An optical setup for deterministic creation of four Partite W state
Özaydın, Fatih; Yeşilyurt, Can; Buğu, Sinan; Diker, Fırat; Altıntaş, Azmi Ali (Polish Academy of Sciences, 201504)In order to create polarization based entanglement networks of W4 state, we propose an optical setup, which uses only four horizontally polarized photons as resource which implies no entanglement requirement as a resource. ... 
Parameter estimation with Dzyaloshinskii–Moriya interaction under external magnetic fields
Özaydın, Fatih; Altıntaş, Azmi Ali (Springer, 20200201)We study the effects of external magnetic fields on the precision of parameter estimation with thermal entanglement of two spins in XX model, in the presence of Dzyaloshinskii–Moriya (DM) interaction. Although DM interaction ... 
Prisoners’ dilemma in a spatially separated system based on spin–photon interactions
Altıntaş, Azmi Ali; Özaydın, Fatih; Bayındır, Cihan; Bayrakçı, Veysel (MDPI, 202209)Having access to ideal quantum mechanical resources, the prisoners’ dilemma can be ceased. Here, we propose a distributed quantum circuit to allow spatially separated prisoners to play the prisoners’ dilemma game. Decomposing ... 
Quantum fisher information of bipartitions of W states
Özaydın, Fatih; Altıntaş, Azmi Ali; Yeşilyurt, Can; Buğu, Sinan; Erol, Volkan (Polish Acad Sciences Inst Physics, 20150424)We study the quantum Fisher information (QFI) of W states and Wlike states under decoherence. In particular, we find that on the contrary to amplitude damping and depolarizing decoherence, a Wlike state of 3 qubits ... 
Quantum fisher information of several qubitsin the superposition of A GHZ and two W stateswith arbitrary relative phase
Özaydın, Fatih; Altıntaş, Azmi Ali; Buğu, Sinan; Yeşilyurt, Can; Arık, Metin (Springer/Plenum Publishers, 201409)We study the quantum Fisher information (QFI) of a system of several particles which is in a superposition of a GHZ and two W states with arbitrary relative phase. We show that as the number of particles increases from 3 ... 
Quantum metrology: Surpassing the shotnoise limit with DzyaloshinskiiMoriya interaction
Özaydın, Fatih; Altıntaş, Azmi Ali (Nature Publishing Group, 20151109)Entanglement is at the heart of quantum technologies such as quantum information and quantum metrology. Providing larger quantum Fisher information (QFI), entangled systems can be better resources than separable systems ... 
Superactivating bound entanglement in quantum networks via quantum Zeno dynamics and a novel algorithm for optimized Zeno evolution
Özaydın, Fatih; Bayrakçı, Veysel; Altıntaş, Azmi Ali; Bayındır, Cihan (MDPI, 202301)An arbitrary amount of entanglement shared among nodes of a quantum network might be nondistillable if the nodes lack the information on the entangled Bell pairs they share. Making such a system distillable, which is called ...