795 research outputs found
Measuring business relationship success: The case of an industrial textiles manufacturer.
This exploratory paper investigates why some companies appear to find successful business relationships
relatively effortless. It seems that the organisation’s search for and utilisation of key resources can
guarantee its success in the market place. The paper incorporates a critique of literature from technology
strategy, cross cultural management, and strategic management fields. The research questions, set by the
author, are designed to explore the technological, managerial and cultural factors contributing to the
success of the organisation and its further growth in the market.
The company on which this research is based in this research is a leader in the paper machine clothing
industry - Albany International Corp. The search for key success factors contributing to Albany
International’s leadership position in the industry have been identified and analysed. Data have been
collected through survey questionnaires, and have been used to develop a model designed to predict the
success of business relationships in the paper machine clothing industry. Further investigation into
relationships between variables has been carried out and a number of proposed dependencies are
highlighted in the paper
Photon waiting time distributions: a keyhole into dissipative quantum chaos
Open quantum systems can exhibit complex states, which classification and
quantification is still not well resolved. The Kerr-nonlinear cavity,
periodically modulated in time by coherent pumping of the intra-cavity photonic
mode, is one of the examples. Unraveling the corresponding Markovian master
equation into an ensemble of quantum trajectories and employing the recently
proposed calculation of quantum Lyapunov exponents [I.I. Yusipov {\it et al.},
Chaos {\bf 29}, 063130 (2019)], we identify `chaotic' and `regular' regimes
there. In particular, we show that chaotic regimes manifest an intermediate
power-law asymptotics in the distribution of photon waiting times. This
distribution can be retrieved by monitoring photon emission with a
single-photon detector, so that chaotic and regular states can be discriminated
without disturbing the intra-cavity dynamics.Comment: 7 pages, 5 figure
Control of a single-particle localization in open quantum systems
We investigate the possibility to control localization properties of the
asymptotic state of an open quantum system with a tunable synthetic
dissipation. The control mechanism relies on the matching between properties of
dissipative operators, acting on neighboring sites and specified by a single
control parameter, and the spatial phase structure of eigenstates of the system
Hamiltonian. As a result, the latter coincide (or near coincide) with the dark
states of the operators. In a disorder-free Hamiltonian with a flat band, one
can either obtain a localized asymptotic state or populate whole flat and/or
dispersive bands, depending on the value of the control parameter. In a
disordered Anderson system, the asymptotic state can be localized anywhere in
the spectrum of the Hamiltonian. The dissipative control is robust with respect
to an additional local dephasing.Comment: 6 pages, 5 figure
Social institute of family in modern conditions
The importance of the social institution of the family and its functions are considered, the complexity of the definition of family is currently associated with major changes in marriage and family relations. The differences between the traditional and the modern family are analyzed. A comparative analysis of the functions and specific social relations is received. This article focuses on the statistical data on the European countries and Russia, the main trends of social transformation of the institution of the family are identified. The state intervention in the sphere of marriage and family relations and its consequences are considered.Рассматривается значение социального института семьи и ее функции, сложности определения семьи в настоящее время, связанные с серьезными изменениями брачно-семейных отношений. Подробно анализируются различия между традиционной и современной семьей, проводится сравнительный анализ выполняемых функций и специфики социальных отношений. Приводятся статистические данные по европейским странам и России, выявляются основные тенденции трансформации социального института семьи. Рассматривается вмешательство государства в сферу брачно-семейных отношений и его последствия
Localization in open quantum systems
In an isolated single-particle quantum system a spatial disorder can induce
Anderson localization. Being a result of interference, this phenomenon is
expected to be fragile in the face of dissipation. Here we show that
dissipation can drive a disordered system into a steady state with tunable
localization properties. This can be achieved with a set of identical
dissipative operators, each one acting non-trivially only on a pair of
neighboring sites. Operators are parametrized by a uniform phase, which
controls selection of Anderson modes contributing to the state. On the
microscopic level, quantum trajectories of a system in a localized steady
regime exhibit intermittent dynamics consisting of long-time sticking events
near selected modes interrupted by jumps between them.Comment: 5 pages, 5 figure
Localization in periodically modulated speckle potentials
Disorder in a 1D quantum lattice induces Anderson localization of the
eigenstates and drastically alters transport properties of the lattice. In the
original Anderson model, the addition of a periodic driving increases, in a
certain range of the driving's frequency and amplitude, localization length of
the appearing Floquet eigenstates. We go beyond the uncorrelated disorder case
and address the experimentally relevant situation when spatial correlations are
present in the lattice potential. Their presence induces the creation of an
effective mobility edge in the energy spectrum of the system. We find that a
slow driving leads to resonant hybridization of the Floquet states, by
increasing both the participation numbers and effective widths of the states in
the strongly localized band and decreasing values of these characteristics for
the states in the quasi-extended band. Strong driving homogenizes the bands, so
that the Floquet states loose compactness and tend to be spatially smeared. In
the basis of the stationary Hamiltonian, these states retain localization in
terms of participation number but become de-localized and spectrum-wide in term
of their effective widths. Signatures of thermalization are also observed.Comment: 6 pages, 3 figure
About the Applicability of Bone and Cartilage Acid-free Staining for Anura
The article describes the first use of acid-free alcian-alizarin staining for tailless amphibians in comparison with the standard method of acid staining on the example of the moor frog. The acid-free protocol is applicable for Anura and it has a number of advantages, such as the absence of decalcification, safety for the researcher andothers. However, this method also has limitations, such as the binding of alcian blue with soft tissues
Lyapunov exponents of quantum trajectories beyond continuous measurements
Quantum systems interacting with their environments can exhibit complex
non-equilibrium states that are tempting to be interpreted as quantum analogs
of chaotic attractors. Yet, despite many attempts, the toolbox for quantifying
dissipative quantum chaos remains very limited. In particular, quantum
generalizations of Lyapunov exponent, the main quantifier of classical chaos,
are established only within the framework of continuous measurements. We
propose an alternative generalization which is based on the unraveling of a
quantum master equation into an ensemble of so-called 'quantum jump'
trajectories. These trajectories are not only a theoretical tool but a part of
the experimental reality in the case of quantum optics. We illustrate the idea
by using a periodically modulated open quantum dimer and uncover the transition
to quantum chaos matched by the period-doubling route in the classical limit.Comment: 5 pages, 4 figure
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