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DTSTART;TZID=Europe/Paris:20260614T140000
DTEND;TZID=Europe/Paris:20260614T150000
DTSTAMP:20260611T092943
CREATED:20260608T085043Z
LAST-MODIFIED:20260609T080617Z
UID:12120-1781445600-1781449200@fermi.univ-tlse3.fr
SUMMARY:Bâtonnets quantiques : un modèle minimal de gaz quantique fortement corrélé. - (Miłosz Panfil / LPT / Seminar). -16/06/2026\, 14H
DESCRIPTION:Séminaire LPT \nMiłosz Panfil (Université de Varsovie) \nSeminar LPT\, 16/06/2026\, 14H\, 3R4\, salle de conférence \nSummary :\nThis talk addresses the quest for a minimal model capable of describing strongly correlated quantum matter. Specifically\, we seek a model exhibiting complex behavior that cannot be explained by free dynamics\, but which can at the same time be treated exactly. In this talk\, I will describe such a model: the quantum gas of hard rods. I will discuss the computation of its dynamic structure factor and its quench dynamics. Additionally\, I will explore the underlying quantum integrability of the model and its connection to the more renowned Lieb-Liniger model.
URL:https://fermi.univ-tlse3.fr/event/tba-milosz-panfil-lpt-seminar-02-06-2026-11h/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,LPT,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260618T110000
DTEND;TZID=Europe/Paris:20260618T110000
DTSTAMP:20260611T092943
CREATED:20260607T122407Z
LAST-MODIFIED:20260609T122526Z
UID:12344-1781780400-1781780400@fermi.univ-tlse3.fr
SUMMARY:Glaciers. Sentinelles du changement climatique .  - (Etienne Berthier / CEMES /  Seminar). - 18/06/2026\, 11H
DESCRIPTION:Séminaire du Jeudi\, CEMES \nEtienne Berthier Glaciologue CNRS au Laboratoire d’Études en Géophysique et Océanographie Spatiales (LEGOS)\, Observatoire Midi-Pyrénées\n \nCEMES\, 18/06/2026\, 11H00 \nRésumé :\nCorde\, crampons\, piolets\, … et désormais les images à très haute résolution des satellites. Les glaciologues déploient une vaste panoplie de moyens pour étudier ces malades\, les glaciers\, au chevet desquels ils sont penchés. Souvent nichés au cœur de contrées reculées\, les glaciers subissent de plein fouet l’effet des dérèglements climatiques. Cette conférence permettra de voyager à travers les grandes régions glaciaires pour prendre conscience de l’impact des activités humaines sur l’état de santé des glaciers de la planète et comprendre les impacts sur les écosystèmes et nos sociétés. Nous verrons notamment comment les observations depuis l’espace permettent aujourd’hui un suivi exhaustif et régulier des plus de 200000 glaciers sur Terre. \nLien web :  https://rendez-vous.renater.fr/Seminaire_du_Jeudi_Etienne_Berthier_f5b64b-ac5f67-c00e91
URL:https://fermi.univ-tlse3.fr/event/glaciers-sentinelles-du-changement-climatique-michel-chabanne-cemes-seminar-18-06-2026-11h/
LOCATION:salle de conférence du CEMES\, CEMES - 29\, rue Jeanne Marvig BP 94347\, Toulouse\, 31055\, France
CATEGORIES:CEMES,Events,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260618T110000
DTEND;TZID=Europe/Paris:20260618T123000
DTSTAMP:20260611T092943
CREATED:20260607T071853Z
LAST-MODIFIED:20260609T080635Z
UID:12298-1781780400-1781785800@fermi.univ-tlse3.fr
SUMMARY:Interplay of Amino Acid Sequence\, Intrinsic Folding Propensity\, and Solvent Effects in Shaping Peptide Secondary Structures and their Functional Implications. - ( Aloke Das/ LCAR / Seminar). - 18/06/2026\, 11H
DESCRIPTION:Séminaire LCAR \nAloke Das\, Department of Chemistry\, Indian Institute of Science Education and Research (IISER) Pune\, India \nSummary :\nSecondary structures of peptides play a crucial role in shaping the overall three-dimensional architecture of proteins. The most common secondary structures found in peptides include α- helices\, β-sheets\, and turns. Among these\, turns are especially important because they reverse the direction of polypeptide chains\, thereby contributing to their compactness and stability. Turns are categorized into types such as C7 (γ-turn)\, C10 (β-turn)\, and C13 (α-turn)\, depending on the specific hydrogen-bonded rings formed between residues in the backbone. Given that these structures are fundamentally local\, they can be effectively explored using small\, capped peptides\, which act as minimal models for understanding folding patterns in larger peptides and proteins. Among the twenty naturally occurring amino acids\, glycine (Gly) and proline (Pro) stand out due to their distinct conformational characteristics: glycine\, which lacks a side chain\, is the most flexible\, whereas proline\, featuring a cyclic imino group\, is highly conformationally constrained. Importantly\, the -Pro-Gly- sequence tends to favor a β-turn conformation\, which is commonly found in the loop regions of β-hairpins. \nIn this presentation\, I will discuss our detailed investigation of Pro-Gly containing capped PGX tripeptides (X = A\, L\, V\, I) using a combination of FTIR spectroscopy\, 2D-NMR\, CD\, gas-phase laser spectroscopy\, single-crystal X-ray diffraction (XRD)\, and quantum chemical computations.1-5 Our study shows that PGA and PGL adopt a double β-turn structure across solid\, solution\, and gas phases\, while PGV and PGI prefer an extended β-strand conformation in the solid and solution states but retain a double β-turn structure in the gas phase. These observations emphasize the subtle interplay between the inherent conformational tendencies of amino acid residues\, sequence\, and solvent effects in determining peptide folding motifs. Notably\, the crystallization of these peptides in non-centrosymmetric space groups highlights their potential as functional materials with piezoelectric\, ferroelectric\, and nonlinear optical properties\, thereby linking peptide structural chemistry with materials design.
URL:https://fermi.univ-tlse3.fr/event/interplay-of-amino-acid-sequence-intrinsic-folding-propensity-and-solvent-effects-in-shaping-peptide-secondary-structures-and-their-functional-implications-aloke-das-lcar-seminar-18-06-2/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,LCAR,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260618T140000
DTEND;TZID=Europe/Paris:20260618T150000
DTSTAMP:20260611T092943
CREATED:20260607T091125Z
LAST-MODIFIED:20260609T091330Z
UID:12341-1781791200-1781794800@fermi.univ-tlse3.fr
SUMMARY:Study of the interplay of Magnetism\, Structure\, and Electronic Properties in the Iron-Based superconductor BaFe2S3 -  (Yassine Oubaid /  LNCMI / Seminar). - 18/06/2026\, 14H
DESCRIPTION:Seminar LNCMI \nYassine Oubaid\, Laboratoire de Physique du Solide at Université Paris Saclay \nSeminar LNCMI\, 18/06/2026\, 14H\, LNCMI\, Toulouse \nAbstract\nRecently\, a family of quasi-one-dimensional Fe-based spin-ladder compounds with the formula BaFe2X3\, where X represents a chalcogen (Se or S)\, has been shown to exhibit superconductivity under pressures exceeding 10 GPa\, with critical temperatures of approximately 10 K or 26 K\, depending on the chalcogen species [1]. \nHowever\, the intriguing properties of these compounds extend far beyond superconductivity. At ambient pressure\, they behave as Mott insulators and display exotic structural and magnetic phenomena\, including multiferroicity near room temperature. As such\, these materials encompass key characteristics of strongly correlated quantum systems. Building on extensive investigations of BaFe2Se3\, this work presents a comprehensive experimental study of BaFe2S3. \nA detailed examination of the structural\, magnetic\, and electronic properties of BaFe2S3 as a function of temperature and pressure was carried out using a multi-technique approach. This included synchrotron X-ray diffraction\, neutron diffraction\, inelastic neutron scattering\, and synchrotron-based infrared spectroscopy\, performed on both powder and single crystals from the same synthesis batch. These experiments enabled the construction of a comprehensive picture of the underlying physics as a function of temperature and pressure. At ambient pressure\, our study revealed novel phases featuring new atomic structures and a previously unreported structural transition to a polar structure\, demonstrating that BaFe2S3 hosts a combination of exotic tilted stripe magnetic order\, multiferroicity\, and magnetoelasticity [2\, 3]. \nUnder pressure\, by combining complementary structural\, magnetic\, optical\, and transport measurements\, we obtained a comprehensive picture of the magnetic and atomic evolution of BaFe2S3. Our results provide evidence for an intriguing dichotomy between localized and itinerant Fe 3d electrons\, which helps explain both the persistence of magnetic order and the emergence of superconductivity. In particular\, we have significantly revised the interpretation of several experimental observations previously reported in the literature\, substantially enhancing our understanding of magnetoelastic coupling\, electronic gap opening\, the insulator-to-metal transition\, structural degrees of freedom\, and superconductivity. \n[1] H. et al. Takahashi. Pressure-induced superconductivity in the iron-based ladder material BaFe2S3. Nature Materials\, 14:1008–1012\, 2015. \n[2] Y.Oubaid et al. New insight on the properties of the superconducting iron spin ladder BaFe2S3. Frontiers of Physics\, 21(5):055201\, 2026. \n[3] Y.Oubaid et al. Ground state of BaFe2S3 from lattice and spin dynamics. Physical Review B\, 2026. Accepted. \nLien Zoom : https://univ-grenoble-alpes-fr.zoom.us/j/94228207316?pwd=khTdznxeFy1ZUYkYftQ0QSox6Fz3iK.1
URL:https://fermi.univ-tlse3.fr/event/study-of-the-interplay-of-magnetism-structure-and-electronic-properties-in-the-iron-based-superconductor-bafe2s3-yassine-oubaid-lncmi-seminar-18-06-2026-14h/
LOCATION:Salle de seminaire du LNCMI\, Champs Magnétiques Pulsés\, 143 avenue de Rangueil\, Toulouse\, France
CATEGORIES:Events,LNCMI,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260622T093000
DTEND;TZID=Europe/Paris:20260622T123000
DTSTAMP:20260611T092943
CREATED:20260606T075654Z
LAST-MODIFIED:20260609T080641Z
UID:12338-1782120600-1782131400@fermi.univ-tlse3.fr
SUMMARY:QED variationnelle pour les propriétés moléculaires. - (Ryan Benazzouk / LCPQ / Thèse). - 22/06/2026\, 9H30
DESCRIPTION:Soutenance de thèse \nRyan Benazzouk\, LCPQ\, Seminar room\, Bat. 3R4 \n\n \n \n 
URL:https://fermi.univ-tlse3.fr/event/qed-variationnelle-pour-les-proprietes-moleculaires-ryan-benazzouk-lcpq-these-22-06-2026-9h30/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,HDR / Thesis
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260709T110000
DTEND;TZID=Europe/Paris:20260709T120000
DTSTAMP:20260611T092943
CREATED:20260603T072903Z
LAST-MODIFIED:20260609T080651Z
UID:12300-1783594800-1783598400@fermi.univ-tlse3.fr
SUMMARY:Periodic pathways to reveal early actinide electronic structure and bonding. - (Michael L. Baker / LCPQ / Seminar). - 9 / 07 /2026\, 11H
DESCRIPTION:Séminaire du LCPQ \nMichael L. Baker  University of Manchester \nSeminar LCPQ\, 9/07/2026\, 11H \nSummary : \nBaker_Michael_abstract_LCPQ_9jul26
URL:https://fermi.univ-tlse3.fr/event/periodic-pathways-to-reveal-early-actinide-electronic-structure-and-bonding-michael-l-baker-lcpq-seminar-9-07-2026-11h/
CATEGORIES:Events,LCPQ,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260709T140000
DTEND;TZID=Europe/Paris:20260709T153000
DTSTAMP:20260611T092943
CREATED:20260603T085455Z
LAST-MODIFIED:20260609T080703Z
UID:12292-1783605600-1783611000@fermi.univ-tlse3.fr
SUMMARY:CRYSTAL\, an ongoing project for a theoretical chemical approach to solids. - (Silvia Casassa / LCPQ / Seminar). - 9 / 07 /2026\, 14H
DESCRIPTION:Séminaire du LCPQ \nSilvia Casassa CRYSTAL group in the University of Turin \nSeminar LCPQ\, 9/07/2026\, 14H
URL:https://fermi.univ-tlse3.fr/event/crystal-an-ongoing-project-for-a-theoretical-chemical-approach-to-solids-silvia-casassa-lcpq-seminar-9-07-2026-14h/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,LCPQ,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261006T140000
DTEND;TZID=Europe/Paris:20261006T153000
DTSTAMP:20260611T092943
CREATED:20260601T082410Z
LAST-MODIFIED:20260609T080711Z
UID:12238-1791295200-1791300600@fermi.univ-tlse3.fr
SUMMARY:TBA. - (Hervé Turlier / LPT / Seminar). -6/10/2026\, 14H
DESCRIPTION:Séminaire LPT \nHervé Turlier (CBI) \nSeminar LPT\, 6/10/2026\, 14H\, 3R4\, salle de conférence
URL:https://fermi.univ-tlse3.fr/event/tba-herve-turlier-lpt-seminar-6-10-2026-14h/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,LPT,Seminars
END:VEVENT
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