The entanglement entropy of subsystems of typical eigenstates of quantum many-body
Hamiltonians has recently been conjectured to be a diagnostic of quantum chaos and …

We review recent progress regarding the double scaled Sachdev-Ye-Kitaev model and
other p-local quantum mechanical random Hamiltonians. These models exhibit an …

A bstract Considering the large q expansion of the Sachdev-Ye-Kitaev (SYK) model in the
two-stage limit, we compute the Lanczos coefficients, Krylov complexity, and the higher …

A bstract We compute the exact, all energy scale, 4-point function of the large N
doublescaled SYK model, by using only combinatorial tools and relating the correlation …

A bstract We consider the Brownian SYK model of N interacting Majorana fermions, with
random couplings that are taken to vary independently at each time. We study the out-of …

A long period of linear growth in the spectral form factor provides a universal diagnostic of
quantum chaos at intermediate times. By contrast, the behavior of the spectral form factor in …

We study transitions from chaotic to integrable Hamiltonians in the double scaled Sachdev-
Ye-Kitaev (SYK) and p-spin systems. The dynamics of our models is described by chord …

We study a sparse Sachdev-Ye-Kitaev (SYK) model with N Majoranas where only∼ k N
independent matrix elements are nonzero. We identify a minimum k≳ 1 for quantum chaos …

A bstract The exact 2-point function of certain physically motivated operators in SYK-like spin
glass models is computed, bypassing the Schwinger-Dyson equations. The models possess …

A bstract At present, the measurements of\({R} _ {D^{\left (\ast\right)}}\) and RJ/ψ hint at new
physics (NP) in\(b\to c {\tau}^{-}\overline {v}\) decays. The angular distribution of\(\overline …