Supersolids in Magnetic Gases - From Roton Softening to Quantum Vortices
Erwin Schrödinger International Institute for Mathematics and Physics (ESI) via YouTube
Overview
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Explore the fascinating world of supersolid quantum states through this comprehensive lecture examining the experimental realization of supersolidity in magnetic quantum gases. Delve into the fundamental questions surrounding the coexistence of superfluidity and periodic density modulations, investigating whether solids can exhibit superfluid behavior and if superfluids can display crystalline order. Learn about the breakthrough discoveries that have revealed "supersolid" quantum states—unique phases combining both superfluid and crystalline properties through momentum-dependent, long-range, and anisotropic dipole-dipole interactions. Examine the softening of roton excitations as a precursor to supersolid phase transitions, analyze the dynamics of symmetry breaking processes, and discover the observation of quantized vortices in rotating supersolid states. Understand how these groundbreaking advancements in low-temperature physics open new pathways for comprehending many-body quantum physics and the complex interplay between order and coherence in quantum systems, building upon decades of research into superfluidity across various states of matter including solids, liquids, gases, and light.
Syllabus
Francesca Ferlaino - Supersolids in Magnetic Gases: From Roton Softening to Quantum Vortices
Taught by
Erwin Schrödinger International Institute for Mathematics and Physics (ESI)