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Loor, Stephan (author)In this thesis, two topics are studied: mathematical inequalities and nonlinear quantum entanglement witnesses. First, various inequalities, like the CauchySchwarz inequality (on finite dimensional vector spaces) and Jensen's inequality, along with their extensions and generalisations, are proved and discussed. The intimate relationship...bachelor thesis 2019
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van Holten, T. (author)This paper addresses the longstanding question of how it may be explained that the three charged leptons (the electron, muon and tau particle) have different masses, despite their conformity in other respects. In the field of Emergent Quantum Mechanics nonsingular electron models are being revisited, and from this exploration has come a...journal article 2019
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Quik, J. (author)Silicon nanoparticles (NPs) embedded in a dielectric matrix, such as silicon oxide, pose a promising candidate for allsilicon multijunction solar cells. This material is often analysed with photoluminescence (PL) measurements. In literature, the intensities of different PL measurements are either directly compared or normalized. Normalization...master thesis 2016
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Pfister, C. (author), Kaniewski, J. (author), Tomamichel, M. (author), Mantri, A. (author), Schmucker, R. (author), McMahon, N. (author), Milburn, G. (author), Wehner, S.D.C. (author)Quantum mechanics and the theory of gravity are presently not compatible. A particular question is whether gravity causes decoherence. Several models for gravitational decoherence have been proposed, not all of which can be described quantum mechanically. Since quantum mechanics may need to be modified, one may question the use of quantum...journal article 2016
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Schoute, E. (author)Communication is a key part of society that we make huge investments in. Each message has to both arrive quickly and use minimal network resources. Moreover, communications must sometimes also remain private, so encryption is used to prevent third parties from listening in. However, standard classical encryption protocols are proven not to be...master thesis 2015
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Molenaar, L.S. (author)We explore the foundations of quantum mechanics to see how the mathematics of QM was built. After that, we see what the EPR paradox is, why it was posed as a paradox and how it was solved.bachelor thesis 2014
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 Hordijk, W. (author) master thesis 2014
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Etaki, S. (author)Mechanical sensors are essential tools for the detection of small forces. This thesis presents the dc SQUID as a detector for the displacement of embedded micromechanical resonators. The device geometry and basic operating principle are described. The SQUID displacement detector reaches an excellent resolution, a factor of 1.5 below the standard...doctoral thesis 2012
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Plantenberg, J.H. (author)This thesis presents results of theoretical and experimental work on superconducting persistentcurrent quantum bits. These qubits offer an attractive route towards scalable solidstate quantum computing. The focus of this work is on the gradiometer flux qubit which has a special geometric design, that both provides a stable phase bias and...doctoral thesis 2007
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