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UID:6a474004eb03a
DTSTART:20260706T100000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20260706T110000Z
LOCATION:Seminar Room
SUMMARY:ICFO | ANNETTE N. CARROLL
CLASS:PUBLIC
DESCRIPTION:Quantum gases of polar molecules are a powerful platform for st
 udying emergent exotic phenomena owing to their tunable long-range dipolar
  interactions. Many body spin-motion models with tunable dipolar interacti
 ons can be studied with ultracold molecules when a pseudospin-1/2 is encod
 ed in their two lowest rotational levels. In this talk\, I will describe r
 ecent observations of spin-motion dynamics of fermionic KRb molecules with
  systematically tuned Hamiltonian parameters via the combination of dc and
  microwave fields. We first measured the mean-field Ramsey phase dynamics 
 arising from strong dipolar interactions and demonstrated a large extent o
 f tunability of the dipolar spin Hamiltonian both with dc electric field s
 trength and with Floquet-engineering. Next\, Ramsey contrast dynamics driv
 en by a generalized t-J model\, a canonical Hamiltonian in condensed matte
 r physics\, were observed by systematically introducing motion regulated b
 y optical lattices. Finally\, I will present recent success in producing d
 egenerate Fermi gases of molecules in a single or bilayer configuration fo
 r future studies of spin-motion models of low-entropy samples where dipola
 r interactions compete with quantum statistics. 
DTSTAMP:20260703T045220Z
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