94 zoekresultaten voor “classical” in de Publieke website
- Research in Physics, Classical/Quantum Information (MSc)
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Classical and paramagnetic NMR spectroscopy applied to different protein systems
Promotor: Prof.dr. M. Ubbink
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Two-Prover Bit-Commitments: Classical, Quantum and Non-Signaling
This thesis considers multi-prover commitment schemes whose security is based on restrictions on the communication between the provers.
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Summer School in Classical Languages (Bologna)
The University of Bologna organizes a Summer School in Classical Languages, offering intensive courses in Latin and/or Greek (20 June – 23 July 2022). The deadline for applications is: 10 June 2022.
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“Should we close our borders? Not according to the Classical World!”
Leiden University archaeologists receive multiple awards for research on interaction between the Greek and Roman world and ‘The East’
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Pair configurations to molecular activity coefficients: PAC-MAC
This thesis provides an overview of the development of the Pair Configuration to Molecular Activity Coefficient (PAC-MAC) model.
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Ginsenosides as selective glucocorticoid drugs: agonists, antagonists, and prodrugs
Glucocorticoids are potent anti-inflammatory drugs widely used clinically to treat various inflammatory and immune conditions. However, two main clinical problems limit their use. GCs trigger severe side effects and they induce acquired glucocorticoid resistance, especially during chronic systemic treatment…
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Algorithm selection and configuration for Noisy Intermediate Scale Quantum methods for industrial applications
Quantum hardware comes with a different computing paradigm and new ways to tackle applications. Much effort has to be put into understanding how to leverage this technology to give real-world advantages in areas of interest for industries such as combinatorial optimization or machine learning.
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Freedom of additional signals on genes: on the combination of DNA mechanics, genetics and translation speed
DNA carries various forms of information. Out of these forms of information the most well-known is classical genetic information.
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A semisynthetic peptide-metalloporphyrin responsive matrix for artificial photosynthesis
This thesis is concerned with the constitution of chiral responsive matrix assemblies that may undergo light-driven conformational changes and self-select vibrations to develop vibronic states for driving semi-classical coherent transfer with nearly 100% yield in a lossless NCAP process.
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Surface Temperature and the Dynamics of H2 on Cu(111)
Heterogeneous catalysis is one of the fundamental processes of modern life, being common in industrial refinery and hydrogen vehicles, all the way to the living cell. The dissociation of H2 on Cu(111) is an important benchmark system for studying heterogeneous catalysis, with a large and varied amount…
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Safe anytime-valid inference: from theory to implementation in psychiatry research
Classical statistical methods, such as p-values, are difficult for researchers to apply correctly. They for example do not allow drawing conclusions from a study early, or for extending a study with extra research groups that want to make their data available later.
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Geometric phases in soft materials
Geometric phases lead to a nontrivial interference result when an electron's different quantum mechanical paths choices encircle a magnetic coil in an Aharonov-Bohm experiment.
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Computational speedups and learning separations in quantum machine learning
This thesis investigates the contribution of quantum computers to machine learning, a field called Quantum Machine Learning. Quantum Machine Learning promises innovative perspectives and methods for solving complex problems in machine learning, leveraging the unique capabilities of quantum computers…
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Stimulated Raman Adiabatic Passage in Optomechanics
In the thesis we demonstrated an 85% state transfer efficiency between two mechanical modes coupled to a common optical mode via stimulated Raman adiabatic passage (STIRAP) in the classical regime. We also showed possibilities to manipulate quantum states of the mechanical modes via STIRAP.
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Highly Accurate Simulations and Benchmarking of Molecule-Surface Reactions
Heterogeneous catalyzed processes are highly significant to the chemical industry. Dissociative chemisorption (DC) of molecules on surfaces is always considered as a step with a high degree of rate control for heterogeneous catalysis.
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Statistical physics and information theory for systems with local constraints
Systems with local constraints is a new finding in recent researches on complex systems. The heterogeneous spatial interactions and the temporal dependencies among those numerous units make it difficult to describe by traditional statistical physics.
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Boosting the host immune system to fight tuberculosis
New drugs for use as tuberculosis (TB) treatment are needed due to the constrains of classical antibiotics against TB and the rise of antibiotic-resistant strains, making TB a harder and harder disease to treat.
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Suzan van de Velde
Faculteit Archeologie
s.m.van.de.velde@arch.leidenuniv.nl | +31 71 527 2727
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Applications of quantum annealing in combinatorial optimization
Quantum annealing belongs to a family of quantum optimization algorithms designed to solve combinatorial optimization problems using programmable quantum hardware. In this thesis, various methods are developed and tested to understand how to formulate combinatorial optimization problems for quantum…
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On the Galois closure of commutative algebras
Promotores: H.W. Lenstra, B. Erez, Co-promotor: L. Taelman
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World Archaeology
De onderzoekers van het departement ‘World Archaeology’ van de Faculteit Archeologie richten zich in hun onderzoek op verschillende periodes en regio’s: van de oorsprong van de mens tot aan de Middeleeuwen en de moderne tijd, en van Azië tot Zuid-Amerika.
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Development of highly accurate density functionals for H2 dissociation on transition metals
Metals surfaces form a group of effective catalysts for the reaction of small molecules such as hydrogen (H2).
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Computational aspects of class group actions and applications to post-quantum cryptography
Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…
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NMR studies of protein-small molecule and protein-peptide interactions
Promotor: M. Ubbink, Co-promotor: G. Siegal
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Applications of topology to Weyl semimetals and quantum computing
This thesis covers various applications of topology in condensed matter physics and quantum information.
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Optimization of quantum algorithms for near-term quantum computers
This thesis covers several aspects of quantum algorithms for near-term quantum computers and its applications to quantum chemistry and material science.
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Physics (MSc)
De tweejarige masteropleiding Physics wordt aangeboden door het Leids Instituut voor Onderzoek in de Natuurkunde. De opleiding is theoretisch en experimenteel. Er is ruime aandacht voor onderzoekstraining. Ook bieden we veel keuzemogelijkheden en op maat gemaakte, individuele studieprogramma’s.
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Kummer theory for commutative algebraic groups
This dissertation is a collection of four research articles devoted to the study of Kummer theory for commutative algebraic groups.
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Vervolgopleidingen
Na het afronden van de bacheloropleiding volgen verreweg de meeste studenten de masteropleiding.
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Van de Waallezing 2023: Maarten van Heemskerck, Rome and classical mythology
Alumni-activiteit, Lezing
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Seminar: Power, Ideas, and International Orders: Contrasting the Classical Mediterranean and the Indian Ocean
Lezing
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Onderzoeksproject Innovating Objects in Leidsch Dagblad
Archeologen van het onderzoeksproject ’Innovating Objects’ proberen te achterhalen hoe voorwerpen uit andere culturen de Romeinse samenleving veranderden en de identiteit van de Romeinen beïnvloedden.
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Quantum local asymptotic normality and other questions of quantum statistics
Promotor: R. Gill, Co-promotor: P. Massart
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Strings and AdS/CFT at finite density
Promotores: J. Zaanen, A. Parnachev
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Coiled-coils on lipid membranes: a new perspective on membrane fusion
Promotor: J.G.E.M. Fraaije, Co-Promotor: A. Kros
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Logarithmic approach to the double ramification cycle
This thesis discusses several questions regarding the double ramification cycle as a Chow class on the moduli space of stable n-pointed genus g curves using tools from so-called logarithmic geometry.
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The power of one qubit in quantum simulation algorithms
Quantum computing is an emerging technology, which holds the potential to simulate complex quantum systems beyond the reach of classical numerical methods.Despite recent formidable advancements in quantum hardware, constructing a quantum computer capable of performing useful calculations remains challenging.In…
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Automata-theoretic protocol programming
Promotor: F. Arbab
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Invariant manifolds and applications for functional differential equations of mixed type
Promotor: S.M. Verduyn Lunel
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Onderwijs
Onderwijs over quantum is ontzettend belangrijk. Daarom ontwikkelt Quantum Leiden onderwijs en voorlichting over de quantumtechnologie, op alle niveaus, van middelbare school tot Masters-studie. Zo leiden we de onderzoekers van de toekomst op, en bereiden we de jeugd voor op een quantumtoekomst.
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Geometric approach to evolution problems in metric spaces
Promotor: S.M. Verduyn Lunel, Co-promotor: O.W. van Gaans
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Quantum dot microcavity control of photon statistics
During my PhD research, I studied the photon statistics of light emitted by a microcavity that contains a single quantum dot (QD) on resonance.
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The unit residue group
The unit residue group, to which the present thesis is devoted, is defined using the norm-residue symbol, which Hilbert introduced into algebraic number theory in 1897.
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Quantum computation with Majorana zero modes in superconducting circuits
Promotor: Prof.dr. C.W.J. Beenakker
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Dynamics of coupled quantum systems
Thermodynamics is one of the founding scientific pillars that has helped us better understand heat engines, biology, ecosystems, and even black holes. While it fundamentally describes large systems by examining the bulk behavior of their constituents, it is anchored in the statistical equivalence of…
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Extension of Operators on Pre-Riesz Spaces
This thesis mainly extends the theory of positive operators on Riesz spaces to a setting of pre-Riesz spaces.
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The holographic glass bead game: from superconductivity to time machines
Promotores: Prof.dr. J. Zaanen, Prof.dr. K.E. Schalm
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The mixed Ax-Lindemann theorem and its applications to the Zilber-Pink conjecture
Promotores: Prof.dr. S.J. Edixhoven, Prof.dr. E. Ullmo (University Paris-Sud)
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Photoinduced processes in dye-sensitized photoanodes under the spotlight: a multiscale in silico investigation
With increasing carbon dioxide levels in the atmosphere and their detrimental effect on the global climate, modern society needs to push for more renewable energy sources. Storing widely accessible and abundant solar energy in chemical bonds in the form of molecular fuel via artificial photosynthesis…