PIRSA:14050109 Conference

DOI10.48660/14050109

Conference/School: Low Energy Challenges for High Energy Physicists

Sachdev, S. (2014). Quantum matter without quasiparticles. Perimeter Institute. https://pirsa.org/14050109

Sachdev, Subir. Quantum matter without quasiparticles. Perimeter Institute, May. 29, 2014, https://pirsa.org/14050109 

@misc{ pirsa_PIRSA:14050109,
  doi = {10.48660/14050109},
  url = {https://pirsa.org/14050109},
  author = {Sachdev, Subir},
  keywords = {},
  language = {en},
  title = {Quantum matter without quasiparticles},
  publisher = {Perimeter Institute},
  year = {2014},
  month = {may},
  note = {PIRSA:14050109 see, \url{https://pirsa.org}}
}

Abstract

Modern materials abound in systems to which the quasiparticle picture does not apply, and developing their theoretical description remains an important challenge in condensed matter physics. I will describe recent progress in understanding the dynamics of two systems without quasiparticles: (i) ultracold atoms in optical lattices, and (ii) the nematic quantum critical point of metals with applications to the `strange metal’ found in the high temperature superconductors. A combination of field-theoretic, holographic, and numerical methods will be used.

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