Angle-resolved photoemission studies of quantum materials
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …
concepts such as symmetry and topology that have transformed our understanding of matter …
Topological order, emergent gauge fields, and Fermi surface reconstruction
S Sachdev - Reports on Progress in Physics, 2018 - iopscience.iop.org
This review describes how topological order associated with the presence of emergent
gauge fields can reconstruct Fermi surfaces of metals, even in the absence of translational …
gauge fields can reconstruct Fermi surfaces of metals, even in the absence of translational …
The strange metal state of the electron-doped cuprates
An understanding of the high-temperature copper oxide (cuprate) superconductors has
eluded the physics community for over thirty years and represents one of the greatest …
eluded the physics community for over thirty years and represents one of the greatest …
Bogoliubov quasiparticle on the gossamer Fermi surface in electron-doped cuprates
Electron-doped cuprates consistently exhibit strong antiferromagnetic correlations, leading
to the prevalent belief that antiferromagnetic spin fluctuations mediate Cooper pairing in …
to the prevalent belief that antiferromagnetic spin fluctuations mediate Cooper pairing in …
Differentiated roles of Lifshitz transition on thermodynamics and superconductivity in La2-xSrxCuO4
The effect of Lifshitz transition on thermodynamics and superconductivity in hole-doped
cuprates has been heavily debated but remains an open question. In particular, an observed …
cuprates has been heavily debated but remains an open question. In particular, an observed …
Gauge theory for the cuprates near optimal doping
We describe the phase diagram of a 2+ 1-dimensional SU (2) gauge theory of fluctuating
incommensurate spin density waves for the hole-doped cuprates. Our primary assumption is …
incommensurate spin density waves for the hole-doped cuprates. Our primary assumption is …
Spin density wave, Fermi liquid, and fractionalized phases in a theory of antiferromagnetic metals using paramagnons and bosonic spinons
The pseudogap metal phase of hole-doped cuprates can be described by small Fermi
surfaces of electronlike quasiparticles, which enclose a volume violating the Luttinger …
surfaces of electronlike quasiparticles, which enclose a volume violating the Luttinger …
Strange metals and black holes: insights from the Sachdev-Ye-Kitaev model
S Sachdev - arXiv preprint arXiv:2305.01001, 2023 - arxiv.org
Complex many-particle quantum entanglement is a central theme in two distinct major topics
in physics: the strange metal state found in numerous correlated electron compounds, and …
in physics: the strange metal state found in numerous correlated electron compounds, and …
Nonlinear Hall resistivity in the overdoped Pr electron-doped cuprate
The Hall coefficient RH as a function of temperature for Pr 2− x Ce x CuO 4 (PCCO) at x=
0.17 shows two sign changes between 0 and 300 K that can be explained qualitatively using …
0.17 shows two sign changes between 0 and 300 K that can be explained qualitatively using …
Strange metals and planckian transport in a gapless phase from spatially random interactions
'Strange'metals that do not follow the predictions of Fermi liquid theory are prevalent in
materials that feature superconductivity arising from electron interactions. In recent years, it …
materials that feature superconductivity arising from electron interactions. In recent years, it …