Sachdev-Ye-Kitaev models and beyond: Window into non-Fermi liquids
This is a review of the Sachdev-Ye-Kitaev (SYK) model of compressible quantum many-
body systems without quasiparticle excitations, and its connections to various theoretical …
body systems without quasiparticle excitations, and its connections to various theoretical …
Symmetry classification and universality in non-Hermitian many-body quantum chaos by the Sachdev-Ye-Kitaev model
Spectral correlations are a powerful tool to study the dynamics of quantum many-body
systems. For Hermitian Hamiltonians, quantum chaotic motion is related to random matrix …
systems. For Hermitian Hamiltonians, quantum chaotic motion is related to random matrix …
Lindbladian dissipation of strongly-correlated quantum matter
We propose the Sachdev-Ye-Kitaev Lindbladian as a paradigmatic solvable model of
dissipative many-body quantum chaos. It describes N strongly coupled Majorana fermions …
dissipative many-body quantum chaos. It describes N strongly coupled Majorana fermions …
Keldysh wormholes and anomalous relaxation in the dissipative Sachdev-Ye-Kitaev model
We study the out-of-equilibrium dynamics of a Sachdev-Ye-Kitaev (SYK) model, N fermions
with aq-body interaction of infinite range, coupled to a Markovian environment. Close to the …
with aq-body interaction of infinite range, coupled to a Markovian environment. Close to the …
[HTML][HTML] Wormholes and holography: an introduction
A Kundu - The European Physical Journal C, 2022 - Springer
Wormholes are intriguing classical solutions in General Relativity, that have fascinated
theoretical physicists for decades. In recent years, especially in Holography, gravitational …
theoretical physicists for decades. In recent years, especially in Holography, gravitational …
Symmetry breaking in coupled SYK or tensor models
We study a large-N tensor model with O (N) 3 symmetry containing two flavors of Majorana
fermions, ψ 1 abc and ψ 2 abc. We also study its random counterpart consisting of two …
fermions, ψ 1 abc and ψ 2 abc. We also study its random counterpart consisting of two …
Information scrambling versus decoherence—two competing sinks for entropy
A possible solution of the information paradox can be sought in quantum information
scrambling. In this paradigm, it is postulated that all information entering a black hole is …
scrambling. In this paradigm, it is postulated that all information entering a black hole is …
SYK wormhole formation in real time
J Maldacena, A Milekhin - Journal of High Energy Physics, 2021 - Springer
A bstract We study the real time formation of the ground state of two coupled SYK models.
This is a highly entangled state which is close to the thermofield double state and can be …
This is a highly entangled state which is close to the thermofield double state and can be …
Sparse Sachdev-Ye-Kitaev model, quantum chaos, and gravity duals
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 …
independent matrix elements are nonzero. We identify a minimum k≳ 1 for quantum chaos …
Euclidean wormhole in the Sachdev-Ye-Kitaev model
AM García-García, V Godet - Physical Review D, 2021 - APS
We study a two-site Sachdev-Ye-Kitaev (SYK) model with complex couplings, and identify a
low temperature transition to a gapped phase characterized by a constant in temperature …
low temperature transition to a gapped phase characterized by a constant in temperature …