Efficient generation of many-body singlet states of spin-1 bosons in optical superlattices

We propose an efficient stepwise adiabatic merging (SAM) method to generate many-body singlet states in antiferromagnetic spin-1 bosons in concatenated optical superlattices with isolated double-well arrays, by adiabatically ramping up the double-well bias. With an appropriate choice of bias sweeping rate and magnetic field, the SAM protocol predicts a fidelity as high as 90% for a sixteen-body singlet state and even higher fidelities for smaller even-body singlet states. During their evolution, the spin-1 bosons exhibit interesting squeezing dynamics, manifested by an odd-even oscillation of the experimentally observable squeezing parameter. The generated many-body singlet states may find practical applications in precision measurement of magnetic field gradient and in quantum information processing.Comment: 8 pages, 8 figures, submitted to Phys. Rev.

Smart manufacturing and supply chain management

In the fourth industrial revolution, smart manufacturing will be characterized by adaptability, resource efficiency and ergonomics as well as the integration of customers and business partners in business and value processes. Business model, operations management, workforce and manufacturing process all face substantial transformations to reasoning the manufacturing process. This paper explores the impacts of smart manufacturing on supply chain management, and develops several propositions to improve supply chain performance under the context of smart manufacturing

Assessing the implementation of Sustainable Development Goals through switching cost

An increasing number of corporations are adapting their strategies to include projects aimed at achieving United Nations’ Sustainable Development Goals. Nonetheless, the implementation of these projects revives a fifty-year old question about the impact of sustainable activity on corporate financial performance and sustainability outcomes. This paper proposes the analysis of the Switching Costs of sustainable projects as a way to identify areas of improvement for corporate strategies, thus responding to the urgent need for models and assessment tools able to achieve financial and sustainability objectives as claimed by both practice and academia. A conceptual framework relating the Switching Costs of sustainable projects to sustainability and corporate financial performance has been developed and applied in this research to a case-study company, Walmart Mexico and Central America. This paper addresses the challenge of recognising, collecting and gauging the effect of the changes, particularly those of an intangible nature, generated by the sustainable projects

キョウセキコウ ノ ジツヨウ セイノウ コウジョウ ニカンスル ケンキュウ

The present research consists of several studies that assess the effect of pre-strain on fatigue properties of eutectoid steel and to evaluate ways to improve the practical　performance of eutectoid steel by cold rolling and ion-nitriding methods. The ult

Collaboration modes and advantages in supply chain

This research aims to address supply chain collaboration with a perspective of broader three-dimensional relationship, not a linear two-dimensional relationship discussed broadly in previous research. Case study was adopted for this research, and data collection was mainly conducted via interview. The research results highlighted that supply chain collaborations are common practice across all levels of the pharmaceutical supply chain. The results also indicated that the different strengthen levels of barging power among collaborative partners will influence the achieved advantages at different supply chain levels, including strategic, operational and political levels

Localization of spin mixing dynamics in a spin-1 Bose-Einstein condensate

We propose to localize spin mixing dynamics in a spin-1 Bose-Einstein condensate by a temporal modulation of spin exchange interaction, which is tunable with optical Feshbach resonance. Adopting techniques from coherent control, we demonstrate the localization/freezing of spin mixing dynamics, and the suppression of the intrinsic dynamic instability and spontaneous spin domain formation in a ferromagnetically interacting condensate of $^{87}$Rb atoms. This work points to a promising scheme for investigating the weak magnetic spin dipole interaction, which is usually masked by the more dominant spin exchange interaction.Comment: 4 pages, 5 eps figures, published in Phys. Rev. A

Extended programmes: widening participation by narrowing content

While the benefits of generic foundation years such as year zero on the Extended programmes including the efficient use of resources has been fully explored, in this piece we argue that a bespoke year zero design, with a focus on a narrower range of subject-specific topics enhances the experience of the students on our Extended programmes and is worth the investment

Managing switching effects in sustainable projects: case studies

This work proposes a new framework for sustainability improvement based on the analysis of the changes created by organisations’ sustainable projects (SPs). The purpose is to help businesses making strategic decisions to better achieve both business and societal objectives. Revising the concept of Switching Costs and Benefits to focus on organisations’ change effects, we apply multiple case-study analysis to co-create the framework with four participating firms. Firms are purposely selected based on pre-established criteria of financial and sustainability performance. Through a reiterative process, research is untangled in three stages of interactions with participants for a total of six societal objectives and 34 projects. Primary data are collected from heads of departments or sustainability project managers through semi-structured interviews, surveys, and email exchanges between 2018 and 2021.This paper provides theoretical and practical contributions. In particular, this research extends the theoretical discussions about how to reconcile business and societal interests by adopting a new perspective to organisational decisions based on the assessment of change effects. Practically, the proposed analysis offers an alternative approach to the evaluation and ranking of SPs as well as the achievement of their societal objectives