Department of Physics / Institutionen för fysik
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High-threshold error-correcting codes for biased noise with advanced decoding strategies
(2024-11-18)Quantum computers are highly sensitive to noise due to interactions with the environment, which severely limits the utility of near-term devices. Quantum error correction addresses this challenge by encoding logical ... -
Ultrafast magnetodynamics of self-localized spin textures driven by spin current
(2024-11-07)Spintronics is a developing field of electronics that utilizes electron spin. This additional degree of freedom opens up new horizons for the design of non-volatile memory, logic, signal, and data processing devices. In ... -
Microscopic approaches for bacterial collective behaviour studies
(2024-07-26)Bacteria significantly impact our lives, from their beneficial role as probiotics to their involvement in infection environments. Their widespread presence is largely due to their ability to adapt to diverse conditions ... -
Microswimmer Navigation in Turbulence
(2024-04-26)This thesis provides a summary of our exploration of navigation strategies for microswimmers with limited control and local sensing capabilities, drawing inspiration from copepods. Our research concentrates on two critical ... -
Formation and Decay of Multiply-Charged Molecules upon Single-Photon Excitation
(2024-03-25)This thesis presents the investigation of dissociative multi-ionisation processes in gas-phase molecules through single photon absorption, employing a combination of ion spectrometry and electron spectroscopy, relying on ... -
Using Lyapunov Exponents to Explain the Dynamics of Complex Systems
(Department of Physics. University of Gothenburg, 2024)Complex systems often display chaotic dynamics, characterised by being exponentially sensitive to changes in initial conditions. Such systems are in general difficult to analyse, due to the large number of nonlinearly ... -
Binding Energies and Lifetimes in Negative Ions
(2024-03-15)Negative ions hold significant interest because of their importance in understanding electron correlation. Further, they capture substantial focus for their role in, for example: stellar environments, medical applications, ... -
Advanced methods for the calibration of optical tweezers
(2023-09-08)Optiska pincetter har sedan Arthur Ashkin och hans kollegors uppfinning på 1980-talet möjliggjort noggrann manipulation av mikroskopiska partiklar. Denna teknik har haft betydande inverkan inom flera områden, inklusive ... -
The mechanical Paul trap in the upper secondary physics laboratory
(2023)In physics, toy models are often used in popular science contexts. Further, toy models have also been used to communicate some important principles of abstract phenomena qualitatively. One such example can be found in ... -
Spectroscopy of Stable and Radioactive Negative Ions
(2023-04-03)Negative ions are unique quantum systems which are of fundamental interest within the field of atomic physics due to the importance of the electron correlation in their creation, stability, and existence. Properties of ... -
Prospects for performing tests of quantum electrodynamics with high-intensity lasers
(2023)Charged particles emit radiation in the presence of strong electromagnetic fields. Emission implies a recoil on the charge, altering its dynamics and is referred to as radiation reaction (RR). Current experiments are on ... -
Visualizations of particle-field interactions
(2022)Visualizations within physics education are critical for learning physics and can be realized in a classroom with experiments, demonstrations, digital tools, mathematical analysis, or other representations, all with ... -
The versatility of optical levitation
(University of Gothenburg / Göteborgs universitet, 2022)The breadth of applications of optical tweezers in life sciences is so large, that it merited Arthur Ashkin a Nobel prize in 2018. Although optical levitation in air was invented first, it has not managed to be so widely ... -
Smart microswimmers in complex flows
(2022)Zooplankton are playing a pivotal role in balancing the life on Earth. By grazing on phytoplankton and then serving as food source to larger aquatic animals, they pave the way of redistributing the Sun’s energy and ... -
Dynamics of particles in fluids: effects of correlations and interactions
(2022-01-24)Particles suspended in turbulent fluid flows are common in Nature and in technological applications. In some cases, the relative dynamics of spherical particles may be of interest. One example is small rain droplets in ... -
Mixing and Evaporation at the Cloud Edge and Angular Dynamics of Small Crystals in Viscous Flow
(2022-01-19)How liquid water in atmospheric clouds distributes over droplets of different sizes is important for the initiation of rainfall, and for the optical properties of the atmosphere. Droplet-number densities and droplet-size ... -
Frequency comb Brillouin microscopy
(2021-10-26)Brillouin light scattering (BLS), an almost a century-old technique, has evolved into a powerful and versatile method to study acoustic and magnetic phenomena down to the nanometer size scale. Presently, BLS can be applied ... -
Development and Applications of Microfluidic Devices for Liver-on-a-Chip Studies
(2021-10-12)Modeling the human physiology in vitro is a challenging task, yet one of importance for the development of drugs and the study of diseases. To better address the complexities of human organs, microfluidic systems called ... -
Thermodynamics of microscopic environments: From anomalous diffusion to heat engines
(2021-05-17)Till skillnad från deras makroskopiska motsvarigheter utvecklas inte mikroskopiska system deterministiskt på grund av inverkan från termiskt brus. Sådana system är föremål för fluktuationer som endast kan studeras inom ...
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