We report on the quantitative ground state phase diagram of a van der Waals interacting chain of Rydberg atoms. These systems are known to host crystalline phases locked to the underlying lattice as well as a gapped, disordered phase. We locate and characterize a third type of phase, the so called floating phase, which can be seen as a one-dimensional 'crystalline' phase which is not locked to the lattice. These phases have been theoretically predicted to exist in the phase diagram, but were not reported so far. Our results have been obtained using state-of-the-art numerical tensor network techniques and pave the way for the experimental exploration of floating phases with existing Rydberg quantum simulators.
Ethical issues of information and communication technologies (ICTs) are important because they can have significant effects on human liberty, happiness, and people’s ability to lead a good life. They are also of functional interest because they can determine whether technologies are used and whether their positive potential can unfold. For these reasons, policy makers are interested in finding out what these issues are and how they can be addressed. The best way of creating ICT policy that is sensitive to ethical issues pertain to being proactive in addressing such issues at an early stage of the technology life cycle. The present paper uses this position as a starting point and discusses how knowledge of ethical aspects of emerging ICTs can be gained. It develops a methodology that goes beyond established futures methodologies to cater for the difficult nature of ethical issues. The authors outline how the description of emerging ICTs can be used for an ethical analysis.
Ethical issues of information and communication technologies (ICTs) are important because they can have significant effects on human liberty, happiness, and people’s ability to lead a good life. They are also of functional interest because they can determine whether technologies are used and whether their positive potential can unfold. For these reasons, policy makers are interested in finding out what these issues are and how they can be addressed. The best way of creating ICT policy that is sensitive to ethical issues pertain to being proactive in addressing such issues at an early stage of the technology life cycle. The present paper uses this position as a starting point and discusses how knowledge of ethical aspects of emerging ICTs can be gained. It develops a methodology that goes beyond established futures methodologies to cater for the difficult nature of ethical issues. The authors outline how the description of emerging ICTs can be used for an ethical analysis.
PurposeThe paper shows that current research systems are not geared to organise and evaluate research involving several scientific disciplines. A consequence is exaggerated promises and expectations based on “speculative interdisciplinarity”. These expectations are one cause of “speculative ethics”. Evaluators of interdisciplinary research proposals should be aware of the pitfalls existing in this kind of research. The purpose of this paper is to highlight “speculative interdisciplinarity” as a cause of exaggerated expectations with the result that ethical analysis and similar activities focus on unlikely impacts.Design/methodology/approachThe paper confronts documented statements of champions of emerging technologies with assessments by specialists from the scientific disciplines involved in the development of the technologies and examines the extent to which differences are due to problems with interdisciplinary work.FindingsThe paper identifies the causes of exaggerated expectations related to the impact of emerging technologies based on interdisciplinary research. Lack of experience with interdisciplinary research is shown to be a major cause.Research limitations/implicationsThis is basically a case study for a spectacular individual example. There is a need to show that the same problems exist for less spectacular scientific endeavours.Practical implicationsReview process organisers and reviewers should be aware that exaggerated expectations can arise as a result of insufficient attention to the organisation of interdisciplinary research. There is a need for studies to confront expectations with the genuine state of research.Originality/valueThe paper highlights a need to pay attention to the organisation of interdisciplinary research.
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