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DTSTAMP:20240513T084232
DTSTART;TZID=America/Detroit:20240516T140000
DTEND;TZID=America/Detroit:20240516T150000
SUMMARY:Workshop / Seminar:Special CM-AMO Seminar | Strain Tuning of Correlated and Topological Magnets
DESCRIPTION:Electrons in quantum materials reside on a crystal lattice\, making the application of lattice strains a very powerful tuning parameter to induce and control a range of exciting quantum phenomena. Recent experimental advances have allowed the application of very large strains with different symmetry properties\, such as symmetry-breaking uniaxial pressures and symmetry-preserving hydrostatic pressures. In this talk\, I will show specific studies on correlated and topological magnets\, highlighting how the different types of strains provide unique insights into the underlying physics. \n\nFirst\, I will discuss how the symmetry-breaking nature of uniaxial pressure can critically modify heavy-fermion materials and frustrated magnets. I will show that the novel method of elastocaloric effect measurements is highly suited to map out their phase diagrams as a function of strain. Importantly\, I will show how these experiments can reveal the location of entropy extrema\, such as those associated with maximum frustration\, in the temperature-strain phase diagram.\n\nSecond\, I will discuss the tuning of the magnetic state in a proposed Weyl semimetal EuCd 2 As 2 . By applying hydrostatic pressures\, i.e. volumetric\, symmetry-conserving strains\, we induce a phase transition to a ferromagnetic phase\, which is predicted to host the Weyl fermions. I will emphasize that preserving the lattice symmetry is fundamental to the stabilization of the putative Weyl phase.\n\nReferences\n1. E. Gati et al.\, Annalen der Physik\, 2000248 (2020)\; N.H. Jo et al.\, submitted (2024) (invited review articles)\n2. E. Gati et al.\, npj Quant. Mat. 8\, 69 (2023). \n3. E. Gati et al.\, Phys. Rev. B 104\, 155124 (2021).
UID:121594-21846808@events.umich.edu
URL:https://events.umich.edu/event/121594
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Physics,Science
LOCATION:West Hall - 335
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20240531T123048
DTSTART;TZID=America/Detroit:20240516T150000
DTEND;TZID=America/Detroit:20240516T163000
SUMMARY:Careers / Jobs:Introduction to Consumer Banking
DESCRIPTION:Connect with Consumer Banking representatives and recruiters at Bank of America! We welcome you to join our information session as we give you insights about 2025 internship opportunities.
UID:117139-21838725@events.umich.edu
URL:https://events.umich.edu/event/117139
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
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