Johan Christensen on Muck Rack

Johan Christensen

Copenhagen
As seen in: Nature, Wiley Online Library, The Conversation, The Objective (Spain), Børsen, El Obrero, platformoverheid.nl
Redaktør for undersøgende journalistik. Dækker også økonomisk kriminalitet og civile tvister. Editor - Investigative Desk at Børsen. Mobil: 77 11 12 13
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Articles

Beyond Democratic Backsliding: Bureaucracy, Elite Dynamics and Administrative Change in Authoritarian Transitions

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By Kutsal Yesilkagit, Johan Christensen
| Wiley Online Library Verified
1 Introduction Populist authoritarian political leaders across the globe increasingly consolidate their power through coalitions with business elites and administrative actors.
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Experimental observation of non-Hermitian phase transitions using laser-induced thermoacoustics - Nature Communications

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By Haixiao Zhang, Renhao Fan, Wei Xiong, Anxin Zhang, Zhiwang Zhang, Chen Shao, Chengrong Ma, Yechao Bai, Ying Cheng, Ruwen Peng, Xiaojun Liu, Johan Christensen, Kefan Sun
| Nature Verified
Abstract Non-Hermitian physics in open systems has garnered significant attention for its exotic phenomena, particularly surrounding exceptional points that offer transformative potential for multifunctional devices. Central to this field are parity-time (\({{\mathcal{P}}}{{\mathcal{T}}}\)) symmetry-defined by balanced gain and loss-and its counterpart, anti-\({{\mathcal{P}}}{{\mathcal{T}}}\) symmetry.
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Public Administration Review | ASPA Journal | Wiley Online Library

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By Johan Christensen
| Wiley Online Library Verified
The use of evidence in public policy-making depends crucially on how expertise arrangements are organized within public organizations. Practitioners can stimulate evidence-informed policy-making through deliberate (re-)design of arrangements such as research and analysis units, advisory bodies and recruitment systems in public bureaucracies.
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