994 search results for “quantum field theory” in the Public website
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Advances in computational methods for Quantum Field Theory calculations
In this work we describe three methods to improve the performance of Quantum Field Theory calculations.
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Transport coefficients and low energy excitations of a strongly interacting holographic fluid
In this thesis, classes of strongly interacting quantum field theories, have been studied.
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Deciphering fermionic matter: from holography to field theory
Promotor: K.E. Schalm, Co-promotor: S.S. Lee
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Hydrodynamics and the quantum butterfly effect in Black Holes and large N quantum field theories
Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?
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Effects of heavy fields on inflationary cosmology
Promotor: A. Achúcarro, Co-Promotor: J.W. van Holten
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Strings and AdS/CFT at finite density
Promotores: J. Zaanen, A. Parnachev
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Mersenne primes and class field theory
Promotor: H.W. Lenstra, Jr., Co-promotor: B. de Smit
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Cryptography from quantum uncertainty in the presence of quantum side information
Promotor: Ronald Cramer, Co-promotor: Serge Fehr
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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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Fermions and Bosons: Excitons in strongly correlated materials
Promotors: Prof.dr. J. Zaanen, Prof.dr.ir. H. Hilgenkamp
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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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Modular curves, Arakelov theory, algorithmic applications
Promotor: S.J. Edixhoven, Co-promotor: R.S. de Jong
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Quantum computation with Majorana zero modes in superconducting circuits
Promotor: Prof.dr. C.W.J. Beenakker
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Michael FieldFaculteit Archeologie
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Groups and fields in arithmetic
Promotor: Prof.dr. H.W. Lenstra
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Quantum Matter and Optics
Onderzoeksgroepen in het Quantum Matter & Optics onderzoeksprogramma onderzoeken elektronische eigenschappen van interacties van materie en lichtmaterie, met de nadruk op quantuminformatie.
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Universal adelic groups for imaginary quadratic number fields and elliptic curves
Promotor: Prof.dr. P. Stevenhagen, Prof.dr. K. Belabas (Univ. de Bordeaux)
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Applied String Theory: Explaining Quantum Matter with Black Holes
Hoe kunnen we de mysteries van quantummaterie verklaren?
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Cavity quantum electrodynamics with quantum dots in microcavities
Promotor: Prof.dr. D. Bouwmeester
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Methods to simulate fermions on quantum computers with hardware limitations
This thesis is a collection of theoretical works aiming at adjusting quantum algorithms to the hardware of quantum computers.
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Signatures of Majorana zero-modes in nanowires, quantum spin Hall edges, and quantum dots
Promotor: Prof.dr. C.W.J. Beenakker
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On periodically driven quantum systems
Promotor: C. W. J. Beenakker, Co-promotor: J. K. Asboth
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Met kunstmatige intelligentie naar nieuwe natuurkunde
De deeltjesversneller van CERN, de Europese Raad voor Kernonderzoek, produceert grote hoeveelheden complexe data met hoge nauwkeurigheid, waardoor ook theoretische voorspellingen nauwkeuriger en sneller moeten worden. Promovendus Ben Ruijl ontwikkelde met zijn onderzoeksteam zeer vernieuwende methoden…
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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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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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Modular forms of weight one over finite fields
Promotor: S.J. Edixhoven
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Integer and fractional quantum hall effects in lattice magnets
Promotor: Prof.dr.ir. J.W.M. Hilgenkamp, Prof.dr. J. van den Brink
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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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Interview Richard Gill over quantum experiment
In het Leids Universitaire weekblad “Mare” is onlangs een interview verschenen met de Leidse statisticus prof. dr. Richard Gill over zijn bijdrage aan het Delftse quantum-experiment.
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Stable single molecules for quantum optics and all-optical switches
Promotor: Prof.dr. M.A.G.J. Orrit
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On the 16-rank of class groups of quadratic number fields
Promotores: P. Stevenhagen, E. Fouvry (Univeriste Paris Saclay)
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On the random-matrix theory of Majorana fermions in topological superconductors
The thesis mainly contributes to the characterization of Majorana fermions as they appear in the Condensed Matter context.
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Deterministic equation solving over finite fields
Promotor: H.W. Lenstra
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The stochastic geometry of non-Gaussian fields
Promotor: V. Vitelli, Co-promotor: J. Paulose
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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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Into the Darkness: Forging a Stable Path Through the Gravitational Landscape
In this thesis we study the landscape of gravitational models which modify GR by introducing an additional scalar degree of freedom (d.o.f.) to source Cosmic Acceleration.
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Torsion points on elliptic curves over number fields of small degree
Promotor: S.J. Edixhoven Co-promotor: L. van Geemen, P. Parent
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Gauge theory and nematic order : the rich landscape of orientational phase transition
Promotor: J. Zaanen
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Reconstructing Magnetic Fields of Spiral Galaxies from Radiopolarimetric Observations
Promotor: H.J.A. Röttgering, Co-promotor: M. Haverkorn
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Probability theory
Het onderzoeksprogramma Probability Theory richt zich op kansrekening en op operationeel onderzoek.
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Manipulating carbon nanotubes Towards the application as novel field emission sources
Promotores: T.H. Oosterkamp, N. de Jonge
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Enumerative arithmetic
This thesis consists of three chapters. Each chapter is on a different subject. However, all three chapters address issues that arise in counting arithmetically interesting objects.
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Links between cohomology and arithmetic
Promotor: S.J. Edixhoven
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On the amount of sieving in factorization methods
Promotoren: R. Tijdeman, A.K. Lenstra, Co-promotor: H.J.J. te Riele
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Chemical functionalization of the graphene surface for electrical and electrochemical sensing application
Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.
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Complex multiplication of abelian surfaces
Promotor: Peter Stevenhagen
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Magnetic Resonance Force Microscopy and the Spin Bath
There are many interpretations of quantum mechanics, and ultimately experiments are needed to verify or falsify these interpretations.
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Microcoil MRI of Plants and Algae at Ultra-High Field: An exploration of metabolic imaging
This thesis investigates the relations between metabolism and anatomy through the use of Magnetic Resonance Imaging (MRI).
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Serge Fehr benoemd tot hoogleraar Quantum informatietheorie
Per 1 juni is Serge Fehr benoemd tot hoogleraar Quantum informatietheorie aan het Leidse Mathematisch Instituut (MI). Fehr is in dienst van het Centrum Wiskunde & Informatica (CWI) en is sinds zijn benoeming één dag per week werkzaam bij het MI. Fehrs onderzoek is gericht op de quantumcryptologie en…
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Monitoring Alzheimer's disease in transgenic mice with ultra high field magnetic resonance imaging
Promotor: Prof.dr. H.J.M de Groot, Co-Promotor: A. Alia