The appearance of the Planckian time τ Pl= ℏ/k BT is reviewed in both conventional and
unconventional metals. A pedagogical discussion of the various different timescales …

This article discusses fluctuating order in a quantum disordered phase proximate to a
quantum critical point, with particular emphasis on fluctuating stripe order. Optimal strategies …

The recent discovery of superconductivity in oxygen-reduced monovalent nickelates has
raised a new platform for the study of unconventional superconductivity, with similarities to …

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The authors review the results of a wide variety of experiments on materials such as La 2
CuO 4 and Nd 2 CuO 4 that contain weakly coupled CuO 2 layers. These materials are …

We review the BCS to Bose–Einstein condensation (BEC) crossover scenario which is
based on the well known crossover generalization of the BCS ground state wavefunction …

We present the full analysis of the normal state properties of the spin-fermion model near the
antiferromagnetic instability in two dimensions. The model describes low-energy fermions …

This article gives an overview of both theoretical and experimental developments
concerning states with lattice symmetry breaking in the cuprate high-temperature …

Although nineteen years have passed since the discovery of high temperature cuprate
superconductivity, there is still no consensus on its physical origin. This is in large part …

Understanding the electron pairing in hole-doped cuprate superconductors has been a
challenge, in particular because the “normal” state from which it evolves is unprecedented …