Işık Yazarı "Özaydın, Fatih" Fen Edebiyat Fakültesi / Faculty of Arts and Sciences İçin Listeleme
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Alpha head on collision with a fixed gold nucleus, taking into account the relativistic rest mass variation as implied by mass-energy equivalence
Yarman, Nuh Tolga; Arık, Metin; Kholmetskii, Alexander; Altıntaş, Azmi Ali; Özaydın, Fatih (Polish Acad Sciences Inst Physics, 2014-02)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, 2014-06-24)Entanglement has been studied extensively for unveiling the mysteries of non-classical 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, 2014-02)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 q-deformed harmonic oscillator algebras
Altıntaş, Azmi Ali; Özaydın, Fatih; Yeşilyurt, Can; Buğu, Sinan; Arık, Metin (Springer, 2014-04)We study two-level q-deformed angular momentum states, and using q-deformed harmonic oscillators, we provide a framework for constructing qubits and quantum gates. We also present the construction of some basic one-qubit ... -
Deterministic generation of large scale atomic W states
Zang, Xue-Ping; Yang, Ming; Özaydın, Fatih; Song, Wei; Cao, Zhuo-Liang (Optical Soc Amer, 2016-05-30)We present a deterministic scheme for generating large-scale atomic W states in a cavity QED system via a simple expansion mechanism, which is realized only by a detuned interaction between two identical atoms and a vacuum ... -
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, 2016-11-01)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, ... -
Enhancing the W state fusion process with a toffoli gate and a CNOT gate via one-way quantum computation and linear optics
Özaydın, Fatih; Diker, Fırat; Arık, Metin (Polish Acad Sciences Inst Physics, 2015-04)Creation of large-scale W state quantum networks is a key step for realization of various quantum information tasks. Regarding the photonics technology, a simple optical setup was proposed for the fusion of two W states. ... -
Freezing optical rogue waves by Zeno dynamics
Bayındır, Cihan; Özaydın, Fatih (Elsevier Science BV, 2018-04-15)We investigate the Zeno dynamics of the optical rogue waves. Considering their usage in modeling rogue wave dynamics, we analyze the Zeno dynamics of the Akhmediev breathers, Peregrine and Akhmediev-Peregrine soliton ... -
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, 2014-04-14)We propose an optical scheme to prepare large-scale entangled networks of W states. The scheme works by simultaneously fusing three polarization-encoded W states of arbitrary size via accessing only one qubit of each W ... -
Generating multi-atom entangled W states via light-matter interface based fusion mechanism
Özaydın, Fatih; Zang, Xue-Ping; Yang, Ming; Song, Wei; Cao, Zhuo-Liang (Nature Publishing Group, 2015-11-09)W state is a key resource in quantum communication. Fusion technology has been proven to be a good candidate for preparing a large-size W state from two or more small-size W states in linear optical system. It is of great ... -
Generating multi-photon W-like states for perfect quantum teleportation and superdense coding
Li, Ke; Kong, Fanzhen; Özaydın, Fatih; Yang, Qing; Cao, Zhuo-Liang; Yang, Ming (Springer New York LLC, 2016-05-06)An interesting aspect of multipartite entanglement is that for perfect teleportation and superdense coding, not the maximally entangled W states but a special class of non-maximally entangled W-like states are required. ... -
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, 2014-06-12)Kuantum dolanıklık, kuantum haberleşme mühendisliğinin en temel kavramlarından biridir. Kuantum sistemlerin dolanıklık ölçütlerine göre sıralanması günümüzde oldukça çok çalışılan konulardan birisidir. İki parçacıklı iki ... -
Kübit-Kütrit kuantum haberleşme sistemleri için negatiflik ve dolanıklığın göreceli entropisi ölçütlerinin analizi
Erol, Volkan; Altıntaş, Azmi Ali; Özaydın, Fatih (IEEE, 2015-06-19)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 alpha-decaying nuclei, based on shell structures
Yarman, Nuh Tolga; Zaim, Nimet; Kholmetskii, Alexander; Arık, Metin; Altıntaş, Azmi Ali; Özaydın, Fatih; Susam, Lidya Amon (Springer, 2016-05-24)We provide a novel systematization of alpha-decaying nuclei, starting with the classically adopted mechanism. The decay half-life of an alpha-disintegrating nucleus is framed, supposing that i) the alpha-particle 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, 2015-04)In order to create polarization based entanglement networks of W-4 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, 2020-02-01)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 ... -
Phase damping destroys quantum Fisher information of W states
Özaydın, Fatih (Elsevier Science BV, 2014-09-05)We study the quantum Fisher information (QFI) of W states in the basic decoherence channels. We show that, as decoherence starts and increases, under i) depolarizing, QFI smoothly decays; ii) amplitude damping, QFI first ... -
Preparing multipartite entangled spin qubits via pauli spin blockade
Buğu, Sinan; Özaydın, Fatih; Ferrus, Thierry; Kodera, Tetsuo (Nature Research, 2020-02-26)Preparing large-scale multi-partite entangled states of quantum bits in each physical form such as photons, atoms or electrons for each specific application area is a fundamental issue in quantum science and technologies. ... -
Quantum fisher information of a 3 x 3 bound entangled state and its relation with geometric discord
Özaydın, Fatih (Springer/Plenum Publishers, 2015-09)Recent studies on quantum Fisher information (QFI) have been focused mostly on qubit systems within the context of how entanglement helps surpassing the classical limit of separable states and the limit that a given entangled ... -
Quantum fisher information of bipartitions of W states
Özaydın, Fatih; Altıntaş, Azmi Ali; Yeşilyurt, Can; Buğu, Sinan; Erol, Volkan (Polish Acad Sciences Inst Physics, 2015-04-24)We study the quantum Fisher information (QFI) of W states and W-like states under decoherence. In particular, we find that on the contrary to amplitude damping and depolarizing decoherence, a W-like state of 3 qubits ...