1,026 search results for “quantum field theory” in the Public website

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.

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?

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.

Deciphering fermionic matter: from holography to field theory
Promotor: K.E. Schalm, Copromotor: S.S. Lee

Jan Zaanen Group (Quantum Matter Theory)
The focus of our theoretical physics research is the nature of macroscopic matter that is in one or the other way still in the grip of quantum physics.

Cryptography from quantum uncertainty in the presence of quantum side information
Promotor: Ronald Cramer, Copromotor: Serge Fehr

Quantum Matter and Optics
Research groups in the Quantum Matter & Optics programme investigate electronic properties of matter and lightmatter interactions with emphasis on quantum information.

Optimization of quantum algorithms for nearterm quantum computers
This thesis covers several aspects of quantum algorithms for nearterm quantum computers and its applications to quantum chemistry and material science.

Algorithms for quantum software
Top scientists of three Dutch universities are working on software and systems for quantum computers. Researchers of the Leiden Institute of Advanced Computer Science (LIACS) and the Leiden Institute of Physics (LION) are developing new algorithms to make those super computers work. The coming years,…

Applied String Theory: Explaining Quantum Matter with Black Holes
Schalm

Cavity quantum electrodynamics with quantum dots in microcavities
Promotor: Prof.dr. D. Bouwmeester, Copromotor: M.P. van Exter

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.

On periodically driven quantum systems
Promotor: C. W. J. Beenakker, Copromotor: J. K. Asboth

Nuclear Quantum Effects in Solid Water
Ice, the solid state of water, plays an important role on our planet as well as the entire universe.Despite the fact that an individual water molecule has a very simple structure, its chemical bonding in the solid phase can be surprisingly complex.

Quantum local asymptotic normality and other questions of quantum statistics
Promotor: R. Gill, Copromotor: P. Massart
 Quantum Optics
 Quantum Information

Quantum Emitters
We study the dynamics of individual emitters in micro cavities.

Mersenne primes and class field theory
Promotor: H.W. Lenstra, Jr., Copromotor: B. de Smit

Signatures of Majorana zeromodes in nanowires, quantum spin Hall edges, and quantum dots
Promotor: C.W.J. Beenakker, Copromotor: M.T. Wimmer

Quantum Matter and Optics
The quantum nature of matter and light has grown into a broad and fruitful research field for theorists and experimentalists alike. It combines foundational research with toward applications, the most well known of which is the quantum computer.

Quantum Lab (aQa)
Quantum computing is a novel paradigm for computation, which is nearing realworld impact with the coming generation of limited, but nonetheless powerful quantum devices.

The quantum computer
The worldwide race to the quantum computer is in full swing. This computer can take on computing tasks that we can only dream of today, such as finding proteins that can be used as medicines in seconds flat. Leiden physicists have discovered how the Majorana particle can be used as a building block…

Theorie van fermionpariteitomkeringen in supergeleiders
Majorana meets a mermaid

Applications of topology to Weyl semimetals and quantum computing
This thesis covers various applications of topology in condensed matter physics and quantum information.

Dirk Bouwmeester Lab (Quantum Optics and Quantum Information)
The research program of the QO group has three leading themes: Optical Physics, Quantum Optics, and PhotonMatter Interactions. We work mostly at the boundaries between these themes with entanglement as a bridging and binding agent.

Postdoctoral researcher  quantum & society: metaphors for quantum science and technology
Science

Postdoc in quantum algorithms and/or postquantum cryptography
Science, Mathematical Institute (MI)

Quantum Information Science & Technology
Quantum Information Science & Technology is a new joint degree master programme by Leiden University and TU Delft. Please note: This new master programme is pending final approval by the Dutch Minister of Education, Science and Culture! Below you can find a video of the campus of the Science Faculty…

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.

Quantum to Classical
In Quantum mechanics, particles can be in multiple positions simultaneously. Yet, when a measurement is made, the particle is found only in one place. Technology has come to a point where we may design experiments that will tell us how.

Quantum Delta NL research programme
Quantum Delta NL, a research programme in which Leiden University participates, has been awarded 615 million euros from the National Growth Fund to help develop the Netherlands into a top player in quantum technology.

Linking quantum technology to society
How can we connect quantum technology and society for an open debate on its future implications and applications?

Expansions of quantum group invariants
In my research, we developed a method to distinguish knots. A knot is a mathematical depiction of the everyday knot that occurs in ropes and cords.

Thinking about the quantum internet
Quantum computers deserve their own quantum internet. This is a network that dispatches information not in the form of bits  ones and zeros  but rather as qubits, just like in the quantum computer itself. In the view of Dirk Bouwmeester, a professor in Leiden’s Quantum Matter & Optics research group,…

Quantum Information Science & Technology (MSc)
Quantum Information Science & Technology (QIST) encompasses the understanding, design, construction and investigation of quantum information processing systems, such as quantum computers, quantum communication networks, and quantum sensors.

Quantum computation with Majorana zero modes in superconducting circuits
Promotor: C.W.J. Beenakker, CoPromotor: A.R. Akhmerov

Theory
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…

Theory
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…
 Jordi Tura Group (Applied Quantum Algorithms)

Integer and fractional quantum hall effects in lattice magnets
Promotor: Prof.dr.ir. J.W.M. Hilgenkamp, Prof.dr. J. van den Brink

NExt ApplicationS of Quantum Computing (NEASQC)
The NEASQC project brings together academic experts and industrial endusers to investigate and develop a new breed of Quantumenabled applications that can take advantage of NISQ (Noise IntermediateScale Quantum) systems in the near future. NEASQC is usecase driven, addressing practical problems…

PhD candidate  quantum & society: empirical outreach on quantum science and technology for communication and attitude measurements
Science

Julia Cramer Group (Quantum and Society Lab)
The research group ‘Quantum and Society’ explores the boundary between quantum technology and science communication.

Seeking the boundaries of quantum mechanics
Bouwmeester

Research in Physics, Classical/Quantum Information (MSc)
This master’s programme combines Physics with Data Science. You will learn how physics has its own tricks to deal with big data and how techniques from machine learning and deep learning can be applied to classical and quantum data. The first focus of attention is on classical data, including data mining,…

Michiel de Dood Lab (Quantum Detection)
Our group explores the larger domain of quantum measurement. In particular we investigate two themes that are closely connected: The detection of specially prepared quantum states of light and understanding and characterizing quantum photon detectors.

Postdoc and PHD candidate, Hybrid Quantum Algorithms
Science, Leiden Institute of Advanced Computer Science (LIACS)

Milan Allan Lab (Understanding Quantum Matter)
We are a dynamic research group at the Leiden Institute of Physics. Our aim is to explore and understand quantum materials, including strange metals, hightemperature superconductors, and quantum critical electron matter.

Strategies for braiding and ground state preparation in digital quantum hardware
With the help of quantum mechanics, digital quantum hardware may be able to tackle some of the problems that are too difficult for ordinary computers. But despite these expectations and the ongoing effort of the research community, reliable quantum computers are not yet realized in a lab setting.