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SUMMARY:Unravelling emergent quantum phenomena from first-principles - Moh
 ammad saeed Bahramy (University of Manchester)
DTSTART:20240529T130000Z
DTEND:20240529T140000Z
UID:TALK213484@talks.cam.ac.uk
CONTACT:Bo Peng
DESCRIPTION:Quantum phenomena emerging from the interplay of charge\, orbi
 tal\, spin\, and lattice degrees of freedom of the electron have revolutio
 nised our understanding of the collective behaviour of particles in solids
 \, forming a new paradigm in condensed matter physics\, commonly known as 
 quantum materials. Topological phase transitions\, quantum confinement\, q
 uasiparticle interferences\, and quantum coherence in transport are a few 
 examples of phenomena in which such microscopically delicate interplays de
 fine the macroscopic fate of the host materials. In this talk\, I will ove
 rview our recent first-principles studies on emergent quantum phenomena in
  various systems subject to disorders and magnetic anisotropies. In partic
 ular\, I will discuss disorder-induced multifractality in superconductivit
 y and topological phase transitions in two-dimensional materials. I will a
 lso show how energetical proximity between local magnetic centres and char
 ge carriers can lead to novel valley-spin locking mechanisms and topologic
 al phases in transition metal dichalcogenide and perovskite systems. Insig
 hts gained from our studies provide anew route to the rational design of q
 uantum materials with advanced functionalities.
LOCATION:TCM Seminar Room
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