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Wyświetlanie 1-15 z 27
Tytuł:
Introduction to quantum entanglement
Wprowadzenie do kwantowego splątania
Autorzy:
Kurzyk, D.
Powiązania:
https://bibliotekanauki.pl/articles/375648.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Quantum information theory
states entanglement
reduction criterion
positive partial transpose
positive maps
entanglement witness
majorization
measures of entanglement
Opis:
This paper contains a characterization of certain aspects of bipartite quantum entanglement. We discuss relationship between entropy and entanglement, as well as qualitative and quantitative aspects of entanglement. Qualitative characterization of entanglement concerns the criteria: reduction criterion, positive partial transpose, positive maps, entanglement witness and majorization criterion. Measures of entanglement have been discussed as the quantitative aspects of entanglement.
W artykule zostały poruszone podstawowe aspekty splątania kwantowego. Przytoczone zostały definicje splątania dla stanów czystych oraz mieszanych. Następnie opisano pojęcie entropii von Neumanna oraz jej związek ze splątaniem stanów kwantowych. Kolejne sekcje zawierają opis kryteriów separowalności. Ostatnia sekcja zawiera aksjomaty miar splątania, a także najważniejsze miary splątania.
Źródło:
Theoretical and Applied Informatics; 2012, 24, 2; 135-150
1896-5334
Pojawia się w:
Theoretical and Applied Informatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Motivation of Staff in 21st Century Organization
Autorzy:
Sawicki, Artur
Powiązania:
https://bibliotekanauki.pl/articles/1189953.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
motivation
entanglement
organization
Opis:
The article constitutes an attempt to present the determinants, which may exert certain influence on development of a complex employee motivational system by a 21st century organization. It includes an international study carried out in 14 countries, where 13 600 employees were researched in terms of mood and motivation for work. The author presents the current condition of the motivational system, functioning in European countries from the employees’ perspective. The article specifies expectations of employees towards the employers, allowing the author to determine the direction that should be analyzed by the 21st century organizations while developing the contemporary motivational system, which through its cohesion and complexity will motivate an employee internally and externally, therefore improve their effectiveness, what in a longer term may lead to effective realization of objectives assumed by the organization.
Źródło:
World Scientific News; 2016, 52; 106-117
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Responding to Modern Sensibilities: Emma and Edvard Entangled
Autorzy:
Berman, Patricia G.
Powiązania:
https://bibliotekanauki.pl/articles/641663.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Munch
Bovary
desire
entanglement
Opis:
This article is an edited version of the response paper offered at the conclusion of the symposium, Modern Sensibilities. It ties together themes from the symposium papers, as well as ideas prompted by Mieke Bal’s exhibition, Emma & Edvard: Love in the Time of Loneliness, and her accompanying book, Emma and Edvard Looking Sideways: Loneliness and the Cinematic. It focuses on the anachronistic entanglements among Flaubert’s “Emma,” Munch’s motifs, Mieke Bal and Michelle Williams Gamaker’s Madame B, the Munch Museum’s architecture and exhibition scenography, and the exhibition viewer.
Źródło:
Text Matters: A Journal of Literature, Theory and Culture; 2017, 7; 145-158
2083-2931
2084-574X
Pojawia się w:
Text Matters: A Journal of Literature, Theory and Culture
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Higher-order quantum dynamics of a generic quadratically-coupled optomechanical system: entanglement, antibunching and spin squeezing
Autorzy:
Mukherjee, K.
Jana, P. C.
Powiązania:
https://bibliotekanauki.pl/articles/173448.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
higher-order nonclassicality
entanglement
antibunching
Opis:
To investigate the existence of higher-order intermodal entanglement, higher-order single-mode antibunching, higher-order intermodal antibunching and spin squeezing, a first order analytic operator solution of the Hamiltonian of quadratically-coupled optomechanical system is constructed using short time approximation for different field modes. Temporal variations of these nonclassical properties under different coupling strengths are studied, neglecting the effect of optical losses, environmental effects and also dissipation. With an increasing order number, the depth of these nonclassical properties is increased. Spin squeezed states are observed in any direction, i.e., either in Sx or Sy direction.
Źródło:
Optica Applicata; 2017, 47, 4; 651-663
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Particle localization via measurement induced entanglement
Autorzy:
Vasura Jayaweera, K. K. Y.
Wijewardena Gamalath, K. A. I. L.
Powiązania:
https://bibliotekanauki.pl/articles/1059506.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Fluffy-Bunny entanglement
Quantum entanglement
photons
position probability density
relative position
scattering angle
spatial localization
variance
Opis:
To explore the boundary between quantum and classical physics in the context of quantum entanglement, the particle localization via measurement induced entanglement on photons incident onto a distinguishable, massive non-interacting two-particle system was studied. The specific case of how particles acquire well defined spatial localization when light is scattered off and detected was considered. The localization process studied both qualitatively and quantitatively was observed to be valid for particles which were initially localized as well as initially completely delocalized. The localization scheme was also observed to be extremely sensitive to its initial conditions. Furthermore, a difference in the localization scheme in terms of the number of scattering events was observed between monochromatic photons and photons with variable frequencies. From all these results it was apparent that we can interpret the uniquely quantum features of entanglement in terms of classicality.
Źródło:
World Scientific News; 2019, 128, 2; 234-254
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inna teoria
A different theory
Autorzy:
Krajewska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/1039740.pdf
Data publikacji:
2019-01-31
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
literary theory
art
dramatography
entanglement acts
performative humanities
Opis:
The article contains reflections on “a different theory of literature”. By emphasising the impossibility of maintaining a vision of theory as a history of courses, research methods, academic disciplines and other ‘isms’ and ‘turns’, the author suggests replacing this with ‘a different theory’. This is ‘different’ in that it is written as dramatography; different because it does not comprise uniform subject matter, but various interwoven discourses; different because it consolidates individual experiences and frequently develops away from one concept. This issue of “Przestrzenie Teorii” deals with theory emerging from art, theory rooted in and rooting itself in art.
Źródło:
Przestrzenie Teorii; 2018, 29; 7-11
2450-5765
Pojawia się w:
Przestrzenie Teorii
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mindfulness, Consciousness and Quantum Physics
Autorzy:
Di Sia, Paolo
Powiązania:
https://bibliotekanauki.pl/articles/1177977.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Consciousness
Entanglement
Mind
Mindfulness
Quantum Physics
Retrocausality
Well-being
Opis:
The relation between quantum physics and higher brain functions, including the consciousness, is in recent years a top subject of deep discussions from a scientific, philosophical, psychological and existential point of view. Reality is in continuous motion, life is continuously becoming, a movement of propagating energy waves. The quantum revolution undermined the solid nature of reality, opening the door to the primary role of mind, and proposing scenarios with unexpected features. In this paper interesting aspects of quantum physics are considered, with inevitable repercussions on our lives, which can decisively influence our actions and future. These findings underline the importance of building a cognitive resilience with mindfulness training, for improving the ability to regulate emotions, attention to the true surrounding reality, mood and well-being in life.
Źródło:
World Scientific News; 2018, 96; 25-34
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Relational Ecology of Photographic Practices
Autorzy:
Knight, Jacqui
Powiązania:
https://bibliotekanauki.pl/articles/632558.pdf
Data publikacji:
2017
Wydawca:
Projekt Avant
Tematy:
decisive moment
distributed cognition
entanglement
new materialism
relational ecologies
Opis:
This paper proposes a relational history of media artifacts, which decentralizes the dominance of the photographer or filmmaker as the absolute author of the work. It adds an alternative account to understanding the creative process and the subsequent study of media forms by discussing film and photographic practices as the reciprocal affective relationship between the maker, their intentions, materials, technologies, non-human agents and the environment. By reorganizing the anthropocentrism of art historical narratives, which typically exclude corporeality and materiality as drivers of human history, we are able to discuss the complex dynamic meshwork of determinants that bring photographic artifacts into existence: the lived, animate, vital materialism at once emergent and mixing of different causalities and temporalities. Within this position, I will provoke discussions of cognition and photography by recalibrating the moment of acting to a model that recognizes a distributed nature of human action into the material world of things. This new materialist position has repercussions for the way we understand processes of creativity and the emergence of media artifacts-seeing these as always already entangled and enmeshed across various corporeal and material, platforms and scales. This paper uses photography as a case study to discuss the broader theme of co-creation between humans, machines and the environment. Using documentary evidence from the archive, I sustain this argument by making a close reading of a particular photographer’s contact sheet, which shows up some of the dynamics of the relational meshwork playing upon the photographer in the field. Through this reading we can begin to think about the implications for the way we understand the emerging aesthetic discourse of technological photographic practices and, more broadly, the cocreative domains of all human activity.
Źródło:
Avant; 2017, 8
2082-6710
Pojawia się w:
Avant
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research on the Mechanical Properties and Curing Networks of Energetic GAP/TDI Binders
Autorzy:
Ma, S.
Li, Y.
Li, G.
Luo, Y.
Powiązania:
https://bibliotekanauki.pl/articles/358300.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
glycidyl azide polymer (GAP)
curing networks
hydrogen bonding
entanglement
integrity
Opis:
This research focused on correlations between the macroscopic mechanical performance and microstructures of energetic binders. Initially a series of glycidyl azide polymer (GAP)/toluene diisocyanate (TDI) binders, catalyzed by a mixture of dibutyltin dilaurate (DBTDL) and triphenyl bismuth (TPB), was prepared. Uniaxial tensile testing, and low-field nuclear magnetic resonance and infrared spectroscopy were then used to investigate the mechanical properties, curing networks, and hydrogen bonding (H-bonds) of these binders. Additionally, a novel method based on the molecular theory of elasticity and the statistical theory of rubber elasticity was used to analyze the integrity of the networks. The results showed that the curing parameter R strongly influences the mechanical properties and toughness of the binders, and that a tensile stress (σm) of 1.6 MPa and an elongation (εm) of 1041% was observed with an R value of 1.6. The cross-linking density increased sharply with the curing parameter, but only modestly with an R value ≥ 1.8. The proportion of H-bonds formed by the imino groups increased with the R value and reached 72.61% at an R value of 1.6, indicating a positive correlation between the H-bonds and σm. Molecular entanglement was demonstrated to increase with R and to contribute dramatically to the mechanical performance. The integrity of these networks, evaluated by a correction factor (A), varies with R, and a network of the GAP/TDI binder with an R value of 1.6 is desirable.
Źródło:
Central European Journal of Energetic Materials; 2017, 14, 3; 708-725
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Origin of living matter by a new model of consciousness
Autorzy:
Di Sia, Paolo
Bhadra, Narayan Kumar
Powiązania:
https://bibliotekanauki.pl/articles/1030150.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
B-DS model
Biology
Brain
Consciousness
Contemporary physics
Entanglement
Living matter
Opis:
In this paper we consider the creation of living matter by a new appeared model of consciousness, named B-DS model, connected to the theories of unification of contemporary physics. In particular we deal with energies of subgroups SU(5), SU(6) and U(1) of SU(11) as superset of SU(5) ´ SU(6) ´ U(1). This is important in view of the potential importance of quantum effects in biology and in consciousness, where not only systems of known particles are considered, but we hypothesize new ones deriving by SU(6) and the significant effect of entanglement. We consider the human brain and its mental aspects as associated with classical brain physiology and also part of a quantum physical universe. We think that quantum mechanics can be relevant for explaining life and consciousness beyond the basic structure and interaction of matter atoms formed by the energy group of SU(5). For explaining biological systems we need to go beyond the present standard model of physics, i.e. starting by the energy group SU(11) instead of SU(5), considering then new unknown particles, tightly binding from the forces created by bosons of the latent energy group SU(6). The paper deals also with interesting information related to chemistry and quantum biology, as well as models related to life and brain working mechanism.
Źródło:
World Scientific News; 2020, 143; 67-78
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Splątany świat, czyli teorii sekret trzeci
The Tangled World, or Third Secret of the Theory
Autorzy:
Krajewska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/1038624.pdf
Data publikacji:
2020-06-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
entanglement
world
act of editing
act of writing
act of reading
secret
theory
Opis:
This introductory article presents the act of editing an issue of a scientific journal as a kind of interface through which the act of writing and reading is entangled, a process that produces a theory in a performative way. The author considers anamorphosis, synaesthesia and entanglement (which she considers with reference to the category of a secret) to be the basis of contemporary literary and literary discourses.
Źródło:
Przestrzenie Teorii; 2020, 33; 7-14
2450-5765
Pojawia się w:
Przestrzenie Teorii
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
O splątaniu faktów i wartości w koncepcji Hilarego Putnama
Autorzy:
Rosiak-Zięba, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/644337.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
Putnam
Fakt
Wert
Verflechtung
Dichotomie
fact
value
entanglement
dichotomy
fakt
wartość
splątanie
dychotomia
Opis:
Der Gegenstand des Artikels ist die Analyse der These von Hilary Putnam, die die  Verflechtung von Fakten und Werten behandelt. Es werden dabei ausgewählte Argumente herangeführt, die der Philosoph zu ihrem Nachweis formuliert. Eines der Hauptziele, denen die These dient, ist die Verbindung von Wissenschaft und Ethik, die ein Ende der Vorstellung setzt, dass die Wissenschaft wertneutral sei. Während Putnams polemische Bemerkungen hinsichtlich der gegensätzlichen Stellungnahmen klar scheinen, sind manche konstruktiven Argumente, die sie unterstützen sollen, eher enigmatisch. Der Artikel setzt sich zum Ziel, diese Argumente zu erklären. Im ersten Teil des Artikels bespreche ich kurz die gegen die Dichotomie Fakten – Werte gerichteten Argumente von Putnam, die gegen die im Titel aufgestellte These sprechen. Im weiteren Teil bespreche ich die Frage der sog. dichten Begriffe, die Gegenbeispiele für die erwähnte Dichotomie bilden können, um anschließend die mit der Hauptthese verbundene These von der Interdependenz der Beschreibung und der Bewertung zu erläutern.
The subject of this paper is the analysis of Hilary Putnam’s thesis on the fact/value entanglement along with some of his arguments meant to corroborate this stance. One of his main objectives of putting forward this thesis is reconciliation of science and values, bringing an end to the picture of the former as a ‘value-free zone’. While Putnam’s polemics with standpoints conflicted with his own one are carried out in quite a comprehensive way, the way he formulates some of his constructive arguments meant to augment his own stance are a bit enigmatic. The goal of this paper is to clarify some of them. The first part of this paper briefly outlines Putnam’s arguments aiming to undermine the fact/value dichotomy, which is contradictory to the thesis title. The second one is focused on the issue of so called ‘thick concepts’, which might be considered as counterexamples for the aforementioned dichotomy, and the thesis, correlated with the title one, that description and evaluation are interdependent.
Przedmiotem artykułu jest analiza tezy Hilarego Putnama o splątaniu faktów i wartości wraz z wybranymi argumentami, jakie filozof ten formułuje gwoli jej wsparcia. Jednym z  głównych celów, jakim ma ona służyć jest pogodzenie nauki z etyką, kładące kres wyobrażeniu, iż ta pierwsza jest neutralna pod względem wartości. Jakkolwiek polemiczne uwagi Putnama pod adresem stanowisk sprzecznych z tytułową tezą wydają się dość jasne, niektóre argumenty konstruktywne na rzecz jej wsparcia są nieco enigmatyczne. Celem tego artykułu jest objaśnienie tych ostatnich. W pierwszej części tekstu krótko omawiam argumenty Putnama wymierzone w dychotomię fakty – wartości, którą przeczy tytułowej tezie. W dalszej części eseju omawiam kwestię tzw. gęstych pojęć, które mogą stanowić kontrprzykłady dla wspomnianej dychotomii, oraz skorelowaną z tytułową tezę o współzależności opisu i oceny.
Źródło:
Kultura i Wartości; 2018, 25
2299-7806
Pojawia się w:
Kultura i Wartości
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental Demonstration of Non-Local Connectivity Between Fixed Halves of the Same Human Brain Which Was Not Evident for Brain Sections of Different Origins
Autorzy:
Rouleau, Nicolas
Reive, Brady S.
Persinger, Michael A.
Powiązania:
https://bibliotekanauki.pl/articles/1182866.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
excess correlations
entanglement
fixed human brain sections
gray matter
white matter
insula
Opis:
Macroscopic displays of entanglement can be observed experimentally as excess correlations between specific manipulations of clusters of matter that have shared space-time. It has been hypothesized that brains as well as other biological systems express signal processing capacities characteristic of non-locality. In the present experiment, transverse sections of fixed human brains were stimulated with a variety of low frequency, low voltage (2 μV) applications of electrical current. Microvolt fluctuations from which spectral profiles could be inferred were simultaneously recorded within transverse (horizontal) sections that were either from the same (matched) or different (non-matched) brain origins. Only the 7 Hz spike-train stimulation produced enhanced theta (4 Hz – 7.5 Hz) activity within the matched brain halves. This was not measured for the non-matched halves. The most conspicuous loci which displayed excess correlation were the internal capsules and insular cortices. Cingulate and frontal cortices did not display similar features. The right hemisphere displayed the most powerful theta profiles for matched sections only. These results suggest that brain sections of common origin are functionally responsive to stimulation at a distance in ways unobserved in brain sections of non-common origin.
Źródło:
World Scientific News; 2016, 53, 3; 110-121
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approximation of separable numerical range using simulated annealing
Autorzy:
Gawron, P.
Sadowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/375667.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
restricted numerical ranges
separable states
quantum entanglement
ograniczone zakresy liczbowe
stany rozdzielne
splątanie kwantowe
Opis:
In this work we provide a method for approximating the separable numerical range of a matrix. We also recall the connection between restricted numerical range and entanglement of a quantum state. We show the possibility to establish state separability using computed restricted numerical range. In particular we present a method to obtain separability criteria for arbitrary system partition with use of the separable numerical range.
W pracy przedstawiamy metodę przybliżania separowalnego obrazu numerycznego macierzy. Przybliżamy również związek pomiędzy ograniczonymi obrazami numerycznymi macierzy oraz splataniem stanów kwantowych. Wskazujemy możliwość zbadania separowalności stanu używając wyliczonego ograniczonego obrazu numerycznego. W szczególności przedstawiamy metodę uzyskania kryterium separowalności, dla dowolnego podziału układów kwantowych, używając separowalnego obrazu numerycznego.
Źródło:
Theoretical and Applied Informatics; 2014, 26, 3-4; 149-158
1896-5334
Pojawia się w:
Theoretical and Applied Informatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Realist Phenomenology and Philosophy of Religion. A Critical Reflection
Autorzy:
Mezei, Balázs M.
Powiązania:
https://bibliotekanauki.pl/articles/426583.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Papieski Jana Pawła II w Krakowie
Tematy:
Phenomenological realism
realist phenomenology
faith and reason
Catholicism and philosophy entanglement
Josef Seifert
Źródło:
Logos i Ethos; 2017, 44; 47-70
0867-8308
Pojawia się w:
Logos i Ethos
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 27

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