49 search results for “josephson junctions” in the Public website
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Lattice models for Josephson junctions and graphene superlattices
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.
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Size effects in microstructured superconductors and quantum materials
We find ourselves in an era of transition, not just towards a more computing- and data-driven society but also away from unsustainable fossil fuels as an energy source.
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Towards superconducting spintronics with RuO2 and CrO2 nanowires
CrO2, a half-metal ferromagnet, has shown great promise for superconducting spintronics applications for nearly two decades.
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Signatures of Majorana zero-modes in nanowires, quantum spin Hall edges, and quantum dots
Promotor: C.W.J. Beenakker, Co-promotor: M.T. Wimmer
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Towards an ab-axis giant proximity effect using ionic liquid gating
In this Thesis, novel charge induction mechanisms of ionic liquids are treated, tested and experimented on complex oxides, in particular cuprates.
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Inducing spin triplet superconductivity in a ferromagnet
Promotor: J. Aarts
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PI3K signaling and adherens junctions in invasive lobular breast cancer
Invasive lobular carcinoma (ILC) is the second most common type of breast cancer.
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Josephson and noise scanning tunneling microscopy on conventional, unconventional and disordered superconductors
In this thesis we use Josephson and noise scanning tunneling microscopy for the study of conventional, unconventional (iron-based) and disordered superconductors. On the one hand, Josephson scanning tunneling microscopy allows us to directly visualize the superfluid density with high spatial resolut…
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Supercurrents gone chiral: new type of superconducting junction
Unconventional superconductors form one of the big mysteries in physics. Among them is strontium ruthenate, which stands out as a controversial superconductor. During his PhD, Leiden physicist Kaveh Lahabi has provided new insights into the nature of superconductivity in this material, leading to a…
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Spin transport and superconductivity in half-metallic nanowires and junctions
The interest of this thesis lies in spin transport in normal metals and superconducting half-metallic junctions.
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Theorie van fermion-pariteit-omkeringen in supergeleiders
Majorana meets a mermaid
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Smoothly breaking unitarity : studying spontaneous collapse using two entangled, tuneable, coherent amplifiers
The Copenhagen interpretation of quantum mechanics states that a measurement collapses a wavefunction onto an eigenstate of the corresponding measurement operator.
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Academic Staff
Leiden academics research the world around us and pass on their knowledge to future generations. Each with his or her individual expertise and personal fascination for a particular discipline, they are the public face of the University.
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Leiden Physicists invent printable superconducting devices
Superconducting devices such as SQUIDS (Superconducting Quantum Interferometry Device) can perform ultra-sensitive measurements of magnetic fields. Leiden physicsts invented a method to 3D-print these and other superconducting devices in minutes.
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Aarts and Cheianov receive NWO Physics Projectruimte
NWO has granted Jan Aarts en Vadim Cheianov a Physics Projectruimte, a granting instrument for small-scale projects that propose innovative fundamental physics research that has a scientific, industrial or social urgency.
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Probing quantum materials with novel scanning tunneling microscopy techniques
This thesis described the development of novel scanning tunneling microscopy techniques to investigate strongly correlated electronic states in quantum matter.
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University introduces lay talk and it looks like this
Complex research with a generous sprinkling of jargon: PhD defences can be difficult for non-experts to follow. In the compulsory new lay talk, PhD candidates begin by explaining their dissertation in words of one syllable. And it’s not just the PhD’s family and friends who appreciate this.
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Spin-triplet supercurrents of odd and even parity in nanostructured devices
Triplet superconductivity refers to a condensate of equal-spin Cooper pairs (pairs of electrons with equal spin).
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Awards and Grants 2019
An overview of awards and prizes granted to our staff and students in 2019, as well as special appointments and royal distinctions.
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Kaveh Lahabi
Science
lahabi@physics.leidenuniv.nl | +31 71 527 5603
- Jan van Ruitenbeek Lab - Atomic and Molecular Conductors
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Nanowire based Tandem Solar Cells
In this project innovative technology for photovoltaics cells is developed and analysis of ecological and health related risks are explicitly accounted for.
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Single-molecule fluorescence in sequence space
The sequence-dependence of biomolecular interactions involving nucleic acids and proteins is essential for numerous processes inside the cell. Insights into the underlying molecular mechanisms have been obtained using various biochemical and biophysical methods on two different levels — bulk and sin…
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The hunt for the quantum collapse
The most famous cat in science is Schrödinger's cat, the quantum mechanical mammal, which can exist in a superposition, a state that is alive as well as dead. The moment you look at it, one of both options is chosen. Leiden University physicists simulated an experiment to catch this mysterious moment…
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Reenchanting Buddhism via Modernizing Magic: Guru Wuguang of Taiwan’s Philosophy and Science of ‘Superstition’
Cody Bahir defended his thesis on 1 June 2017.
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Evolution of Molecular Resistance to Snake Venom α-Neurotoxins in Vertebrates
We have examined sequences from the ligand-binding domain of the nicotinic acetyl choline receptor (nAChR) in 148 vertebrate species. We are in interested in this receptor because the α-neurotoxins of many venomous snakes binds to this receptor in its location at the neuromuscular junction in all ve…
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Küçük Asya'nın Tarihönces
Karmaşık Avcı-Toplayıcılardan Erken Kentsel Toplumlara
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The Prehistory of Asia Minor
From Complex Hunter-Gatherers to Early Urban Societies
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Unconventional fabrication of 2D nanostructures and graphene edges
In this work, we illustrate unconventional approaches towards the fabrication of edge functionalized graphene nanostructures and bidimensional architectures in polymeric and metallic supports, with an outlook towards molecular sensing devices.
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Mechanical and genetics basis of cellularization and serosal window closure in Tribolium castaneum
The applications of studying the early development of insects range from agriculture to material science.
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MCBIM Lecture: Supramolecular Recognition of DNA and RNA Junction Structures for Anti-viral and Anti-cancer Therapy
Lecture
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Directions + parking facilities
Directions to the Pieter de la Court Building, which houses the Faculty of Social and Behavioural Sciences, PLATO and the African Studies Centre Leiden. Plus, information about parking facilities close by.
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T-DNA integration and DNA repair of DSBs in plants
Identification and characterization of components of DNA repair pathways and their role in Agrobacterium T-DNA integration and repair of CRISPR/Cas induced DSBs.
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Sense Jan van der Molen Lab - Physics of Quantum Materials
In our lab, we investigate the physics and material properties of low-dimensional systems.
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“Leiden linguists play a key role in linguistics”
From 2 to 5 September 2015, Leiden served as the stage for one of the world’s largest linguistics conferences: the Societas Linguistica Europaea (SLE) 2015 Annual Meeting. Marianne Mithun, a professor at University of California, Santa Barbara and outgoing president of the SLE, is not surprised that…
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Research in Physics, Quantum Matter and Optics (MSc)
The master’s specialisation Research in Physics, Quantum Matter and Optics at Leiden University offers a thorough experience on the front line of physics research with a practical training of communicative and computer skills. The programme focuses on Condensed Matter problems, such as Molecular Electronics,…
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Religion and Orientalism in Asian Studies
Religion and Orientalism in Asian Studies analyses the role of religion in past and present understandings of Asia.
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Royal honour for physicist Jan van Ruitenbeek
On 26 April Professor of Experimental Physics Jan van Ruitenbeek was made a Knight in the Order of the Lion of the Netherlands. He received the decoration from mayor Emile Jaensch in Oegstgeest, where he lives. Van Ruitenbeek received the honour for his services to physics.
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Starchy foodways: surveying indigenous botanical foods during the advent of European encounters in the northern and circum-Caribbean
How do the starchy botanical foodways reflect upon previous archaeological understandings in the northern and circum-Caribbean?
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Night Spaces: Migration, Culture and Integration in Europe (NITE)
How are night spaces imagined, produced, experienced and narrated by migrant communities in Europe? This research project considers this question in eight European cities: Aarhus, Amsterdam, Berlin, Cork, Galway, Lisbon, London, Rotterdam. Authorities have historically wrestled with the issue of night-time…
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Career prospects
You will learn to produce solutions to current issues found where economics and public administration meet. You will analyse the ways in which social-economic policy and regulatory governance can be improved, and how to realise those improvements in the recalcitrant administrative playing field, in…
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Break-through in the genetic modification of plants
A collaboration between the IBL and LUMC has resulted in the discovery that the polymerase theta enzyme is essential for the integration of Agrobacterium T-DNA into the genome of plants. The finding means a break-through for the development of more efficient systems for targeted genome modification…
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Awards and Grants 2023
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.
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Humidity switches molecular diode off and on
An international group of scientists, led by Leiden physicist Sense Jan van der Molen, has developed the first switchable molecular diode. You can turn this on and off through humidity. Vice versa, it is a humidity sensor at the nanoscale. Publication on 4 December in Nature Nanotechnology.
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No holiday plans? Go on a virtual trip this summer!
‘Walking around in a new environment activates our brain’s learning centre. This allows us to learn better, even once we’ve returned to a familiar environment.’ This is the conclusion drawn by neuroscientist Judith Schomaker in her recent publication in Neurobiology of Learning and Memory.
- Van Marum Colloquium: Guilty as charged: Electrochemical control over the charge carrier density in colloidal semiconductor nanomaterials
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Joan van der Waals colloquium
The Joan van der Waals colloquium is an ongoing bi-weekly lecture series.
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Paul Christiaan Flu: a Surinamese professor in a time of war
Paul Christiaan Flu, originally from Surinam, was a brilliant tropical doctor, who in 1938 rose to the position of Rector Magnificus of Leiden University. The war years brought his lightning career to an abrupt end: his son was murdered and he himself was imprisoned in a concentration camp. A sad family…
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Publications
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