787 search results for “quantum matter” in the Public website
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Secure Multiparty Computation and Secret Sharing
The first book ever on information-theoretically secure multiparty computation
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Algorithms
Many important topics in computer science, such as the correctness of software, the efficiency of algorithms and the modeling of complicated systems, depend on sound theoretical underpinnings. In the Theory group, we study these fundamental building blocks and develop verification methods to prove system…
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Admission requirements
To be eligible for Physics and Classical/Quantum Information at Leiden University, you must meet the following admission requirements.
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Delegation from Leiden University forges new links in Brazil
A delegation from Leiden University is visiting Brazil from 14 to 18 March. The first day of the visit was spent with scientists in São Paolo.
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GOLD MATTERS: launch of NORFACE/Belmont Forum project on sustainability transformations in Artisanal and Small-scale Gold Mining
An international and multi-disciplinary research consortium spent two days at Leiden University for the launch of their ‘GOLD MATTERS’ project, funded jointly by NORFACE and Belmont Forum. The project 'Sustainability Transformations in Artisanal and Small-scale Gold Mining: A Multi-Actor and Trans-Regional…
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History is a matter of a longing for rifles and flat screen TVs
History can be found in utensils and in interviews with ordinary citizens. ‘With the reconstruction of everyday life, an anthropological approach works better,’ thinks historian Jan-Bart Gewald. Inaugural lecture on 6 June.
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Paul Wouters on what the Black Lives Matter-movement means for Social and Behavioural Sciences
George Floyd's death still leads to fierce protests against police violence and racism on a daily basis in the United States and abroad. We asked Paul Wouters how he experiences these developments and what this will mean for our faculty.
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Superlattices in van der Waals materials: A Low-Energy Electron Microscopy study
n this PhD thesis, the recombination of different atomic lattices in stacked 2D materials such as twisted bilayer graphene is studied. Using the different possibilities of Low-Energy Electron Microscopy (LEEM), the domain forming between the two atomic layers with small differences is studied.
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Cosmologists propose new way to form primordial black holes
What is dark matter? How do supermassive black holes form? ‘Primordial’ black holes might hold the answer to these long-standing questions. Leiden and Chinese cosmologists have identified a new way in which these hypothetical objects could be produced just after the Big Bang. Publication in Physical…
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Treating military matters as military science - a lecture on Russian military concepts from 1853 to the present day
Recently, Engin Yüksel gave a lecture on Russian military concepts from 1853 to the present day and his observations on the Russo-Ukrainian war at the Faculty of Humanities, premised on his recently completed doctoral research.
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Multiple star systems: how they got here and why it matters
Disk formation around stars is an important factor in determining whether one or multiple stars evolve. But the big picture of star formation is still far from complete, says PhD researcher Nadia Murillo.
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Dark Matters
PhD defence
- Program in English
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LTP Lecture "Philosophy of quantum theory: Why all the options are puzzling"
Lecture
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Education highlights 2023
From educational adventures in the tropics, students building software for real customers, to bacteria that degrade plastics. Scroll through our highlights on educational innovation and the achievements of our students.
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Dissociative chemisorption on transition metal surfaces
The dissociative chemisorption of a molecule on a transition metal surface represents a rate-limiting step in many heterogeneously catalyzed processes, whereby most chemicals are made. In spite of the importance of this reaction, an accurate first principles approach to modeling it does not yet exist.…
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Awards and Grants 2017
An overview of awards and prizes granted to our staff and students in 2017, as well as special appointments and royal distinctions.
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Strategies for braiding and ground state preparation in digital quantum hardware
PhD defence
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Computational aspects of class group actions and applications to post- quantum cryptography
PhD defence
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Master Projects
The following master research projects are currently available.
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Van Marum Colloquium: Hydrogen interactions with metal surfaces: nuclear spin conversion and adsorption
Lecture
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Near Eastern Studies: ‘You can really get a closer look at the subject matter’
Are you interested in ancient Egypt, the rich cultural heritage of Mesopotamia or bliblical Hebrew and Aramaic? Students of all faculties can follow electives of Ancient Near Eastern Studies without prior knowledge or special entry requirements. Archaeology student Annely Arends talks about her expe…
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Photothermal studies of single molecules and gold nanoparticles: vapor nanobubbles and conjugated polymers
Promotor: M.A.G.J. Orrit
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Life on a Strip
Joanna Krenz defended her thesis on 15 May 2018.
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Photon detection at subwavelength scales
Promotor: E.R. Eliel, Co-Promotor: M.J.A. de Dood
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Deciphering the complex paramagnetic NMR spectra of small laccase
Multicopper oxidase, laccase, can efficiently reduce oxygen to water and are mostly used in the enzymatic biofuel cells.
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Plasmonic enhancement of single-molecule fluorescence under one- and two-photon excitation
This thesis aims to improve the detection from ultra-weak single emitter by enhancing their emission properties with plasmonic nanostructures. We exploit the wet-chemically synthesized single crystalline gold nanorods (GNRs) as our basic frameworks in the whole studies, simply because of their unique…
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Science Communication & Society
The research group Science Communication and Society aims to understand how science communication works to improve the interaction between science and society. Central themes are ‘Bridging the gap between experts and the general public’ and ‘Evaluating Science Communication’.
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Accurate Probabilities for Highly Activated Reaction of Polyatomic Molecules on Surfaces Using a High-Dimensional Neural Network Potential: CHD3
An accurate description of reactive scattering of molecules on metal surfaces often requires the modeling of energy transfer between the molecule and the surface phonons. Although ab initio molecular dynamics (AIMD) can describe this energy transfer, AIMD is at present untractable for reactions with…
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Joan van der Waals colloquium by Tanja Mehlstäubler
Lecture
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The Lead Zeppelin
As an alternative to the diving board shaped force sensor, we are now developing a magnetically levitated small superconducting particle – or ‘Lead Zeppelin'' – as our mechanical resonator. We explore routes towards detection of gravity between small objects.
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Algebra, Geometry and Number Theory
The research of the Algebra, Geometry and Number Theory cluster tries to bridge the gap between abstract theory and the world of algorithms and applications.
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Advances in SQUID-detected Magnetic Resonance Force Microscopy
In this thesis, we describe the latest advances in SQUID-detected Magnetic Resonance Force Microscopy (MRFM).
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Effects of heavy fields on inflationary cosmology
Promotor: Prof.dr. A. Achucarro, Co-Promotor: J.W. van Holten
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Ab Initio Molecular Dynamics Calculations versus Quantum-State-Resolved Experiments on CHD3 + Pt(111): New Insights into a Prototypical Gas–Surface
The dissociative chemisorption of methane on metal surfaces is of fundamental and practical interest, being a rate-limiting step in the steam reforming process. The reaction is best modeled with quantum dynamics calculations, but these are currently not guaranteed to produce accurate results because…
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Algorithms and Software Technology
The Algorithms and Software Technology (AST) research programme performs fundamental research in the areas of algorithm design and analysis.
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Shining Light on PAHs in Space
Polycyclic aromatic hydrocarbons (PAHs) are the most abundant class of organic compounds in space. The PAH field evolves from the constant interaction between experimentalists, theorists, modellers and observers. While laboratory research and quantum chemical calculations together set up the molecular…
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The lead zeppelin: a force sensor without a handle
Promotor: T. H. Oosterkamp
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Career preparation
Leiden University offers you several services related to career orientation and job application skills.
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Vacancies
On this page you can find the current vacancies at the Van der Molen research group.
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Family Matters
PhD defence
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Shedding light on the dark side of the universe
It must be there. We just cannot see it: mysterious dark matter and dark energy in the universe. Henk Hoekstra is one of the many cosmologists who would love to know what exactly these substances consist of. He has received a European research grant of 1.3 euro million to find out.
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Measuring what Matters
PhD defence
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Financial decisions matter
PhD defence
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Geometry and Active Matter
PhD defence
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Admission requirements
To be eligible for Physics at Leiden University, you must meet the following admission requirements.
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Admission requirements
To be eligible for Research in Physics, Biological and Soft Matter Physics at Leiden University, you must meet the following admission requirements.
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Admission requirements
To be eligible for Physics and Business Studies at Leiden University, you must meet the following admission requirements.
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Admission requirements
To be eligible for Research in Physics, theoretical at Leiden University, you must meet the following admission requirements.
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Admission requirements
To be eligible for Research in Physics, pre-PhD ('Casimir') at Leiden University, you must meet the following admission requirements.