Our world is shrinking, or at least our electronic devices are. From PCs to mobile phones: everything is smaller and thinner. The smaller the chip, the better it can conduct electricity and pass on information.

Promotor: Christoph U. Keller, Co-promotores: Matthew A. Kenworthy, Frans Snik

Astronomical observations of cold regions in the universe show a rich inventory of ices. Part of these ices may end up on planets like our own, but in that journey they will be exposed to considerable amounts of radiation.

The 2018 Physics Nobel Prize is awarded to Arthur Ashkin, Donna Strickland and Gérard Mourou for their research on optical tweezers based on lasers. Leiden physicists comment in the following media.

In this study the central question to be answered is whether children are able to participate in decisions and at which moments these decisions are taken in the youth care trajectory.

Light reflects from a mirror, but where exactly does this reflection happen? Well, it depends, Martin van Exter and Corné Koks discovered. Their precise calculations, published in Optics Express, are important for designing optical cavities for quantum communication.

In opdracht van het WODC doen onderzoekers van de Universiteit Leiden onderzoek naar de landelijke daling van het aantal jeugdbeschermingsmaatregelen en jeugdreclasseringstrajecten. Bij dit interdisciplinaire onderzoek zijn onderzoekers van de afdelingen Jeugdrecht en Gezondheidsrecht, Bedrijfswetenschappen…

In this thesis we study quantum transport phenomena on the nanometer scale, in two classes of materials: topological insulators with induced superconductivity and graphene superlattices.

The Leiden Institute of Physics (LION) is the coordinating partner in the Qluster research project, which was awarded a 2,9 million euro FET Open grant by the European Union. The three-year project, which started on 1 December 2019, aims to produce many photon entanglement to aid quantum communication…

Taner Kuru, an eLaw alumnus, was awarded the prestigious European Data Protection Law Review ‘Young Scholar Award’ for his paper on the shortcomings in the GDPR for the regulation of genetic testing at the prestigious Computers, Privacy and Data Protection Conference (CPDP).

Jan Zaanen, Professor in Theoretical Physics of condensed material, has been awarded a Spinoza prize. His pioneering ideas about the collective behaviour of quantum particles and high temperature superconductivity have often given him the reputation of being something of a rebel.

Research at the Leiden Institute of Physics (LION) is foundational and curiosity driven. All our scientists share a desire to increase the knowledge of the world around us, in an open atmosphere of inquiry from which innovative ideas emerge that provide applications and value for society.

To strenghten ties with the public, press, other academics and wider society, LION employs an outreach officer.

Promotores: Prof.dr. J. Zaanen & Prof.dr. K.E. Schalm

As of 1 June, Leiden University has appointed Sense Jan van der Molen as Professor Physics of Condensed matter. He investigates the unique electronic properties that arise when atomic thin layers are stacked on top of each other into new materials.

Animal species that are dear to us in the Netherlands often spend a large part or all of their lifecycle in other parts of the world. But their habitats worldwide are under increasing pressure, are often inadequately protected and much poorer than the global average. ‘If we truly care about these animals,…

Corinne Dettmeijer-Vermeulen, the well-known legal expert and Leiden University alumna, was for many years the National Rapporteur on Trafficking in Human Beings and Sexual Violence against Children. On 26 November she will deliver the Cleveringa lecture.

Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.

On 22 June the International Centre for Migration Policy Development (ICMPD) organised a webinar on the challenges that have arisen for asylum seekers and refugees worldwide as a result of the COVID-19 crisis.

In mid-March 2020, the European Commission adopted, against the background of the Corona pandemic, temporal common rules for the export into third countries of personal protective equipment, needed in the context of the Corona pandemic, out of the EU.

A research team from the Institute of Security and Global Affairs (ISGA) has received over 3 million euros in funding from the Knowledge Centre Surveillance and Protection, a partnership between the Dutch National Coordinator for Counterterrorism and Security, the Public Prosecution Office, the police,…

Many dangerous diseases such as COVID-19, Ebola and Q fever have jumped from animals to humans. But it is not only because of these diseases that we should include animals in our health policy, but also because of their right to health, writes PhD candidate Joachim Nieuwland. PhD defence on 13 May.

On this page you will find an overview of awards and prizes granted to our staff and students in 2023, as well as special appointments at Leiden University and other institutions.

Majorana fermions in superconductors are the subgap quasiparticle excitations that are their own antiparticles.

Find out how to apply for Physics and Classical/Quantum Information at Leiden University by following our step-by-step guide.

Prof. Ton Liefaard has been appointed as member of the Council for the Administration of Criminal Justice and Protection of Juveniles.

The government is investing 646 million euros and has set aside a further 3.5 billion to drive economic growth in the Netherlands. Much of the National Growth Fund will be used for scientific innovations. Leiden University is involved in three of the projects.

On 6 September 2019, the Governor of Murang'a County, Mwangi wa Iria, signed a declaration at Leiden University to protect the rights of children.

This thesis describes the implementation and on-sky demonstration of high-resolution integral-field spectroscopy for extreme adaptive optics systems that are used to find and characterize exoplanets.

Dr Anouk Goemans has been appointed professor by special appointment of Youth Services and Child Protection from an Educational and Legal Perspective as of 1 November 2024. This chair is funded by the 'Stichting Steunfonds Pro Juventute' support fund foundation and serves as a bridge between the Department…

To improve our teaching and reward excellent teaching assistants, the institute offers a Teaching Assistant Prize to the best teaching assistant of the semester.

On 3 April 2024, the University L'Orientale in Naples will hold a full afternoon conference to discuss a book written by Dr Gianclaudio Malgieri, Associate Professor at eLaw. The title is 'Vulnerability and Data Protection Law', published with Oxford University Press in April 2023.

On 12 May, Joachim Koops, Professor of Security Studies and Scientific Director of the Institute of Security and Global Affairs (ISGA), was invited to brief the United Nations Department of Peace Operations in New York on the situation in Ukraine, options for the protection of civilians and lessons…

The master's specialisation Bioinformatics at Leiden University focuses on research, development and application of computational tools and approaches for expanding the use of biological, medical, behavioral and health data.

The SENSYN project has found a solution to few public datasets for criminological research: synthetic datasets. Marieke Liem talks about this unique innovation

Tonight 20:25, Julia Cramer, expert in quantum information and communication science, is a guest in the television science programma Atlas

The project has been done in the Quantum Matter Optics group under the supervision of Dr. Wolfgang Löffler and Prof.dr. Carlo Beenakker. The title of the presentation is:

Heritage protection is increasingly understood by nations and other actors as playing a critical intersectoral role in supporting wider development and diplomacy outcomes through soft power and cultural relations.

Researchers from the Institute of Environmental Sciences (CML) identified six top priorities where environmental interventions can make the most difference. By doing so, they hope to help researchers and policymakers make the most out of the limited, available resources to protect people and the pla…

Maria Yazdanbakhsh, Professor of Parasitology at the Leiden University Medical Centre (LUMC), has been awarded an ERC Advanced Grant of 2.5 million euros. She will investigate why people in Africa and Southeast Asia respond less to certain vaccines than Europeans. Her goal is to find a solution for…

A significant percentage of children who have spent a period in youth care institutions or foster homes since 1945 received inadequate protection from physical, psychological and sexual violence. Interventions by supervisory authorities in cases involving violence were inadequate.

The executive master’s programme in Cyber Security is unique in its integral approach and its professional ties and focus.

The executive master’s programme in Cyber Security of Leiden University takes a multidisciplinary approach that helps you develop effective and sustainable solutions for cyber risks and threats.

The LED3 hub, consisting of researchers from the Leiden Institute of Chemistry (LIC), the Institute of Biology Leiden (IBL) and the Leiden Academic Centre for Drug Research (LACDR), is very excited to organize the “LED3 Lectures”. This lecture series brings world-leading researchers in the field of…

Investigations conducted by several Dutch child protection bodies within family situations are inadequate. Due to lack of knowledge, time and money, these investigations are not carried out properly, with major consequences for the families involved.