Elemental Germans

Laucht, Christoph

doi:10.1057/9781137028334

Cited by 9 publications

(4 citation statements)

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“…Even if the two QD trion resonance energies are not exactly identical, it is possible to generate identical QD photons by off-resonant Rayleigh scattering [27]. On the other hand, nearly identical QD pairs that can be tuned onto resonance using the gate-voltage-induced dc-Stark shift have already been identified in other experiments [15]. More importantly, demonstration of two-photon interference of singlephoton pulses generated by two different QDs has also been demonstrated [16].…”

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confidence: 99%

Quantum-Dot-Spin Single-Photon Interface

2010

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Using background-free detection of spin-state-dependent resonance fluorescence from a single-electron charged quantum dot with an efficiency of 0.1%, we realize a classical single spin-photon interface where the detection of a scattered photon with 300 ps time resolution projects the quantum dot spin to a definite spin eigenstate with fidelity exceeding 99%. The bunching of resonantly scattered photons reveals information about electron spin dynamics. High-fidelity fast spin-state initialization heralded by a single photon enables the realization of quantum information processing tasks such as nondeterministic distant spin entanglement. Given that we could suppress the measurement backaction to well below the natural spin-flip rate, realization of a quantum nondemolition measurement of a single spin could be achieved by increasing the fluorescence collection efficiency by a factor exceeding 10 using a photonic nanostructure.

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confidence: 99%

Quantum-Dot-Spin Single-Photon Interface

2010

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“…34 The ASA's adherence to the principle of objectivity and its refusal to adopt a political stance were among the association's chief characteristics, distinguishing it from key organizations within the atomic scientists' movement in the United States, especially the Federation of American Scientists (FAS), but also contributing to its demise and disbandment. 35 Together with ideological motivations, pragmatic reasons were behind the ASA's objective approach. The grass-roots democratic decision-making process in its governing council required unanimous agreement, and political neutrality made it easier to attain unanimity.…”

Section: Foundations Of Transnational Professional Activismmentioning

confidence: 99%

“…At Leipzig University in Germany, for example, the Manhattan Project scientists Felix Bloch, Klaus Fuchs, Rudolf Peierls, George Placzek, Edward Teller, and Victor Weisskopf had come across each other during the late 1920s and early 1930s as either colleagues or students of Werner Heisenberg. 50 Where atomic scientists, in their support of internationalism, differed from other professional experts was in their personal motivations: many of them grappled with the moral responsibilities that stemmed from their involvement in the creation of nuclear arms in the British and Allied wartime projects and felt complicit because of the use to which their breakthroughs were put. In particular, Hiroshima and Nagasaki forced many Manhattan Project scientists, in the words of Jon Hunner, "to culturally code switch" in order to grasp the atom bomb's moral, cultural, social, and political impacts.…”

Section: The Asa and The International Control Of Nuclear Energy 194mentioning

confidence: 99%

Transnational Professional Activism and the Prevention of Nuclear War in Britain

Laucht¹

2017

Journal of Social History

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While anti-nuclear weapons activism in Britain and other nations has received considerable historiographical attention, its transnational professional dimensions have so far been neglected. This article thus introduces the concept of "transnational professional activism" to describe the ways in which scientific and medical professionals, driven by professional ethos and etiquette, and based on their self-fashioned expert identities, organized themselves into national interest groups situated within wider transnational networks in order to act against the perceived threat that nuclear war posed to human society. Through a comparative analysis of the activism of two key groups of atomic scientists and medical professionals at two key moments of the Cold War in Britain, the first Western European nation to acquire nuclear arms, this study examines shifts in the nature of transnational professional activism. The Atomic Scientists' Association, with its promotion of the international control of nuclear energy from 1945 to 1948, and the Medical Campaign Against Nuclear Weapons, which analyzed the anticipated medical effects of nuclear war in the years from 1980 to 1985, are at the center of this analysis.

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“…43 More recently, Christoph Laucht has proposed a broader definition of 'British nuclear culture' as 'the sum of all experiences with regard to civilian and military uses of atomic energy, including such diverse layers as science and technology (both theoretical and applied), society, culture, politics, identity, gender, race, ethnicity and class', arguing that this definition helps to open up a wider research agenda. 44 A study by Holger Nehring based on British and West German protests against nuclear weapons during the late 1950s and early 1960s introduced the notion of 'the cultures of the Cold War', arguing that the conflict 'was also a "civil war" fought within domestic societies'. 45 It does appear, then, that consensus is lacking over how to define 'nuclear culture'.…”

Section: Writing British Nuclear Historymentioning

confidence: 99%

Introduction: British nuclear culture

Hogg¹,

Laucht²

2012

Br J Hist Sci

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In the extended introduction to this special issue on British nuclear culture, the guest editors outline the main historiographical and conceptual contours of British nuclear scholarship, and explore whether we can begin to define 'British nuclear culture' before introducing the contributors to this special issue, whose work we have organized into three broad areas. The first part is devoted to three articles that offer explicit and extended attempts to reconceptualize British nuclear culture, illuminating the complex links between nuclear science, the state and the individual citizen. The second part of this issue is devoted to three articles that concentrate on aspects of the history of nuclear science -focusing particularly on intellectuals, nuclear scientists and enthusiasts -alongside analysis of the popularization of nuclear science as well as the relationship between the state and nuclear science and its practitioners. In the third part, four articles examine the diverse ways in which 'official' narratives of the atomic age can be questioned, disrupted or enhanced by analysing the significance of journalistic, anti-nuclear and fictional narratives to the development of nuclear culture in Britain.In the last decade or so, humanities-based nuclear scholarship has expanded and diversified significantly, and there has been steady refinement of the conceptual and methodological frameworks used in the field. This applies to British nuclear scholarship too. To help explain this trend in the British context, we can look to the increased interest in cultural studies of the Cold War era, the continued release of official documentation under the Freedom of Information Act (2005), the emergence of new and varied source materials, the expansion of research possibilities opened up by digital archiving, and the influence of the imaginative and ambitious insights of nuclear scholars worldwide. Most recently, the aftermath of the triple meltdown at the Fukushima Daiichi nuclear power plant in Japan in March 2011 saw the re-emergence of global nuclear 'motifs' such as that of Ulrich Beck's 'risk society'. 1 Aligned with continuing uncertainty over nuclear proliferation, this special issue on British nuclear culture seems especially timely in a period when nuclear debates are being revisited.But what precisely is 'British nuclear culture'? This question lies at the heart of this special issue, which brings together specialists from various fields, including the history of science and technology, cultural and social history, political and diplomatic history,

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Elemental Germans

Cited by 9 publications

References 0 publications

Quantum-Dot-Spin Single-Photon Interface

Quantum-Dot-Spin Single-Photon Interface

Transnational Professional Activism and the Prevention of Nuclear War in Britain

Introduction: British nuclear culture

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