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https://www.lu.se/studera/fysik-supraledning-FYST84 - 2026-10-09

In this paper, a novel detection scheme for the monitoring of insect ecosystems is presented. Our method is based on the remote acquisition of passive sunlight scattering by two insect species. Procedures to identify rare events in remote dark-field spectroscopy are explained. We further demonstrate how to reduce the spectral representation, and how to discriminate between sexes, using a hierarchi

This paper presents a few case studies of finite electron systems for which strong correlations play a dominant role. In simple metal clusters, the valence electrons determine the stability and shape of the clusters. The ionic skeleton of alkali metals is soft, and cluster geometries are often solely determined by electron correlations. In quantum dots and rings, the electrons may be confined by a

CV_TEGENFELDT_30MAY2013 May 30, 2013 CURRICULUM VITAE – DR. JONAS O. TEGENFELDT OVERVIEW Name: Jonas Tegenfeldt Personal number: 650122-1474 Gender: Male Citizenship: Swedish Contact information: Division of Solid State Physics Department of Physics Lund University PO Box 118 221 00 Lund Phone: 046 – 222 8063 Web: http://nanobio.ftf.lth.se/~tegen Current appointments 2013-present Associate profess

https://www.nano.lu.se/sites/nano.lu.se/files/cv_tegenfeldt_30may2013.pdf - 2026-10-10

We harness the complex mixing process inside a commercial multi-mode fibre to program high-dimensional linear optical circuits for photonic qudits encoded in transverse space and time-of-arrival, and demonstrate their use for high-dimensional entanglement certification.

The injection flow rates of two liquid phases play a decisive role in the slug generation of the liquid-liquid slug flow. However, most injection flow rates so far have been constant. In order to investigate the effects of dynamic injection flow rates on the slug generation, including the slug size, separation distance and slug generation cycle time, a transient numerical model of a cross-junction

The Swedish Research Council awards grants to SOL-researchers The Swedish Research Council awards grants to SOL-researchers Published 9 November 2021 The Swedish Research Council has decided on the applications to be awarded grants within Humanities 2021. Niclas Burenhult is awarded 5 mkr for the project  The Forager’s Index: Komplexa demonstrativsystem hos Sydöstasiens sista jägare-samlare. Eva K

https://www.sol.lu.se/en/article/projektmedel-fraan-vr-till-sol-forskare/ - 2026-10-08

Popular Abstract in Swedish Målet med arbetet var att öka mängden vindkraft, solel och annan distribuerad generering (DG) som kan anslutas till befintliga distributionsnät på ett snabbt och kostnadseffektivt sätt. Att införa aktiv spänningsreglering i nätet, istället för installation av nya ledningar, har identifierats som en lämplig strategi. Då denna princip bygger på att DG-enheternas produktioDistributed generation (DG), i.e. generation connected to the low and medium voltage distribution network (DN), has been increasing a lot during recent years. Thus the traditional assumption of a unidirectional power flow and a voltage decrease along the distribution feeders is no longer valid in all operation conditions. Voltage control in these networks is often limited to the on-load tap change

Multiple exciton generation (MEG) is a process in which more than one exciton is generated upon the absorption of a high energy photon, typically higher than two times the band gap, in semiconductor nanocrystals. It can be observed experimentally using time resolved spectroscopy such as the transient absorption measurements. Quantification of the MEG yield is usually done by assuming that the bi-e

dis thesis attempts to use qualitative research and sociological analysis to explore how demilitarization, which TEMPhas lasted for decades, may TEMPhas an impact on development in recent years. Mainly based on literature review and data analysis, dis thesis chose Costa Rica as teh background, for revealing national education status - as teh research object - to speculate on how demilitarization T

Coherence in optics and transport is investigated for quantum cascade lasers. While coherence provides oscillations in the gain recovery if the tunnel coupling surpasses the broadening, incoherent hopping transport can fail in the opposite case. (C) 2008 Optical Society of America

We have investigated the electronic structure of excitons in InP quantum dots in GaInP. The exciton is theoretically expected to have four states. Two of the states are allowed to optically decay to the ground ( vacuum) state in the dipole approximation. We see these two lines in photoluminescence (PL) experiments and find that the splitting between the lines ( the fine structure splitting) is 150

Abstract in UndeterminedHigh penetration of variable generation such as wind power increases the demands on frequency control. The same applies to island operation and in particular if this involves variable generation, which is planned at the Danish island Bornholm. While it is obvious that the frequency control need to be considered, the disturbances caused to this control by the hourly dispatch

https://www.geology.lu.se/sites/geology.lu.se/files/2017_phd_geobiosfarsvetenskap.pdf - 2026-10-10

In the perpetuated absence of wide-ranged aging-related programs in Indonesia, more than one-quarter of the elderly population rely on the family especially adult children, resulting in the prevalence of three-generation households. This research seeks to explain the underlying motive and the practice of caring for the elderly parent from the vantage point of adult children that act as the main su

Artificial neural networks (ANNs) are employed to predict the energy levels of quantum systems, including the hydrogen atom, the harmonic oscillator, and the particle in a box, using various activation functions. The results demonstrate that the choice of activation function significantly influences prediction accuracy. This data-driven framework provides a powerful alternative to explicitly solvi

A relativistic transient absorption theory is derived, implemented and validated within the dipole approximation based on the time-dependent Dirac equation. In the non-relativistic limit, it is found that the absorption agrees with the well established non-relativistic theory based on the time-dependent Schrödringer equation. Time-dependent simulations have been performed using the Dirac equation