Determination of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Pu</mml:mi><mml:mprescripts /><mml:none /><mml:mn>238</mml:mn></mml:mmultiscripts><mml:mo>(</mml:mo><mml:mi>n</mml:mi><mml:mo>,</mml:mo><mml:mi>f</mml:mi><mml:mo>)</mml:mo></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Np</mml:mi><mml:mprescripts /><mml:none /><mml:mn>236</mml:mn></mml:mmultiscripts><mml:mo>(</mml:mo><mml:mi>n</mml:mi><mml:mo>,</mml:mo><mml:

Pal, A.; Santra, S.; Nayak, B. K.; Mahata, K.; Desai, Vimal; Chattopadhyay, Dipankar; Tripathi, R.

doi:10.1103/physrevc.91.054618

Cited by 12 publications

(6 citation statements)

References 22 publications

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“…Other studies have considered the non-locality of a variety of states, including GHZ, W , or graph states, under various noise models, such as depolarization, dephasing or dissipation [23][24][25][26]. Furthermore, the effect of decoherence on non-locality has been examined in the context of loophole-free Bell tests [27][28][29], while some works have focused on the finite detection efficiency in such tests, illustrating its importance for the implementation of quantum communication tasks [30,31].…”

Section: Introductionmentioning

confidence: 99%

Decoherence effects on the nonlocality of symmetric states

et al. 2015

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The observation of the non-local properties of multipartite entangled states is of great importance for quantum information protocols. Such properties, however, are fragile and may not be observed in the presence of decoherence exhibited by practical physical systems. In this work, we investigate the robustness of the non-locality of symmetric states experiencing phase and amplitude damping, using suitable Bell inequalities based on an extended version of Hardy's paradox. We derive thresholds for observing non-locality in terms of experimental noise parameters, and demonstrate the importance of the choice of the measurement bases for optimizing the robustness. For W states, in the phase damping case, we show that this choice can lead to a trade-off between obtaining a high violation of the non-local test and optimal robustness thresholds; we also show that in this setting the nonlocality of W states is particularly robust for a large number of qubits. Furthermore, we apply our techniques to the discrimination of symmetric states belonging to different entanglement classes, thus illustrating their usefulness for a wide range of practical quantum information applications.

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Section: Introductionmentioning

confidence: 99%

Decoherence effects on the nonlocality of symmetric states

et al. 2015

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“…Also, the case ǫ > 0 should be analyzed, even if the stability seems not to be assured for this case due to the non-positivity of the energy.. One possible way to investigate this is to add new degrees of freedom, considering for example anisotropic models. The self-adjoint properties of anisotropic models have been investigate in reference [23][24][25], and it would be interesting to consider anisotropies in the context of the Brans-Dicke theory. We hope to present such analysis in the future.…”

Section: Discussionmentioning

confidence: 99%

Quantum Cosmological Scenarios of Brans-Dicke Gravity in Einstein and Jordan Frames

et al. 2018

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The Hamiltonian of any quantum cosmological model must obey some conditions in order to be self-adjoint, or to admit self-adjoint extensions. We will consider in this paper the self-adjoint character of the Hamiltonian resulting from the Brans-Dicke theory, both in Einstein and Jordan frames. In both cases we find the wave-function solutions in order to obtain concrete predictions for the evolution of the Universe. We show that the specific cosmological scenarios obtained depend very weakly on the conditions of having a self-adjoint operator. The problem of equivalence between Einstein and Jordan frames is considered, and it is shown that this equivalence implies a specific ordering parameter, as well as a particular choice of the physical variables.

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“…We extracted (p, f ) cross sections for 240 Pu, 236 U, 234 Th and 233 Th using (n, f ) cross section data for 240 Am, 236 Np, 234 Pa and 233 Pa, respectively. The derived data for these reactions was used from EXFOR data library [14] (entry number: 14 397, 33 095, 33 060 and 33 023) and the experimental details can be found in the reference [9,13,15,16]. Compound nucleus formation cross sections were calculated using TALYS 1.9 code [17], using the optical model potential parameters of Soukhovitskii et al [18].…”

Section: Estimation Of Proton Induced Fission Cross Sectionsmentioning

confidence: 99%

Exploitation of surrogate reaction method for deriving proton induced fission cross sections of short lived actinides

Sharma

Gandhi

Singh

et al. 2020

J. Phys. G: Nucl. Part. Phys.

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In this article we have explored the possibility of measuring the proton induced fission cross sections using surrogate reaction method. To establish the validity of the surrogate method, we have derived the cross sections for 240Pu(p, f), 234Th(p, f), 236U(p, f) and 233Th(p, f) reactions using the derived cross section data of 240Am(n, f), 234Pa(n, f), 236Np(n, f) and 233Pa(n, f) reactions, which were measured by the surrogate ratio method. To extract the data, we have used the independence hypothesis of compound nucleus formation and derived a relation between proton and neutron induced fission cross sections of the consecutive isobars. The validity of the Weisskopf–Ewing approximation has been studied in detail. This study successfully confirms that the surrogate ratio method can be used to derive (p, f) cross sections of the short lived actinides. It is also concluded that a common surrogate reaction can be used for the determination of (n, f) and (p, f) cross sections for the consecutive isobars.

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Determination ofPu238(n,f)andNp236(n,

Cited by 12 publications

References 22 publications

Decoherence effects on the nonlocality of symmetric states

Decoherence effects on the nonlocality of symmetric states

Quantum Cosmological Scenarios of Brans-Dicke Gravity in Einstein and Jordan Frames

Exploitation of surrogate reaction method for deriving proton induced fission cross sections of short lived actinides

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