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We show the late time, or $\tau-$scaled, limit of the canonical spectral form factor (SFF) in unorientable JT gravity agrees with universal random matrix theory (RMT) up to genus one in the topological expansion, establishing a key…

High Energy Physics - Theory · Physics 2025-07-09 Jarod Tall , Torsten Weber , Juan Diego Urbina , Klaus Richter

In this article, using the principles of Random Matrix Theory (RMT), we give a measure of quantum chaos by quantifying Spectral From Factor (SFF) appearing from the computation of two-point Out of Time Order Correlation function (OTOC)…

High Energy Physics - Theory · Physics 2019-05-27 Sayantan Choudhury , Arkaprava Mukherjee

We show the emergence of random matrix theory (RMT) spectral correlations in the chaotic phase of generic periodically kicked interacting quantum many-body systems by analytically calculating spectral form factor (SFF), $K(t)$, up to two…

Statistical Mechanics · Physics 2025-02-07 Vijay Kumar , Tomaž Prosen , Dibyendu Roy

The spectral form factor of random matrix theory plays a key role in the description of disordered and chaotic quantum systems. While its moments are known to be approximately Gaussian, corrections subleading in the matrix dimension, $D$,…

Quantum Physics · Physics 2026-01-06 Alex Altland , Francisco Divi , Tobias Micklitz , Silvia Pappalardi , Maedeh Rezaei

This paper investigates the spectral form factor (SFF) of the quadratic $R$-para-particle Sachdev-Ye-Kitaev ($R$-PSYK$_2$) model with various random matrix ensemble couplings. We generalize previous work on Gaussian Unitary Ensemble (GUE)…

High Energy Physics - Theory · Physics 2026-01-28 Tingfei Li

The spectral form factor is believed to exhibit a special type of behavior called ``dip-ramp-plateau'' in chaotic quantum systems that originates from random matrix theory. This suggests that the shape of the spectral form factor could…

High Energy Physics - Theory · Physics 2025-05-02 Dmitry S. Ageev , Vasilii V. Pushkarev , Anastasia N. Zueva

While the notion of quantum chaos is tied to random matrix spectral correlations, also eigenstate properties in chaotic systems are often assumed to be described by random matrix theory. Analytic insights into eigenstate correlations can be…

Quantum Physics · Physics 2025-04-23 Felix Fritzsch , Maximilian F. I. Kieler , Arnd Bäcker

In quantum chaotic systems, the spectral form factor (SFF), defined as the Fourier transform of the two-level spectral correlation function, is known to follow random matrix theory (RMT), namely a 'ramp' followed by a 'plateau' in…

Quantum Gases · Physics 2023-11-06 Ceren B. Dag , Simeon I. Mistakidis , Amos Chan , H. R. Sadeghpour

The most general and versatile defining feature of quantum chaotic systems is that they possess an energy spectrum with correlations universally described by random matrix theory (RMT). This feature can be exhibited by systems with a well…

Chaotic Dynamics · Physics 2019-01-11 Bruno Bertini , Pavel Kos , Tomaz Prosen

In an attempt to establish a link between different quantization methods, I examine the massless 't Hooft equation, which governs meson bound state wavefunctions in 2d SU(N) gauge theory in the large-N limit. The integral equation can also…

High Energy Physics - Theory · Physics 2024-09-11 David Vegh

Quantum chaos cannot develop faster than $\lambda \leq 2 \pi/(\hbar \beta)$ for systems in thermal equilibrium [Maldacena, Shenker & Stanford, JHEP (2016)]. This `MSS bound' on the Lyapunov exponent $\lambda$ is set by the width of the…

Quantum Physics · Physics 2022-11-10 Pablo Martinez-Azcona , Aurélia Chenu

We study the spectral form factor (SFF) of general topological gravity in the limit of large time and fixed temperature. It has been observed recently that in this limit, called the tau-scaling limit, the genus expansion of the SFF can be…

High Energy Physics - Theory · Physics 2023-04-27 Kazumi Okuyama , Kazuhiro Sakai

The late-time behavior of spectral form factor (SFF) encodes the inherent discreteness of a quantum system, which should be generically non-vanishing. We study an index analog of the microcanonical spectrum form factor in four-dimensional…

High Energy Physics - Theory · Physics 2022-07-01 Sunjin Choi , Seok Kim , Jaewon Song

We discuss the geometric origin of discrete higher form symmetries of quantum field theories in terms of defect groups from geometric engineering in M-theory. The flux non-commutativity in M-theory gives rise to (mixed) 't Hooft anomalies…

High Energy Physics - Theory · Physics 2021-02-03 Federica Albertini , Michele Del Zotto , Iñaki García Etxebarria , Saghar S. Hosseini

The spectral form factor is a powerful probe of quantum chaos that diagnoses the statistics of energy levels, but is blind to other features of a theory such as matrix elements of operators or OPE coefficients in conformal field theories.…

High Energy Physics - Theory · Physics 2024-05-30 Alexandre Belin , Jan de Boer , Pranjal Nayak , Julian Sonner

We find a massive simplification in the non-perturbative expression for the structure constant of Wilson lines with 3 cusps when expressed in terms of the key Quantum Spectral Curve quantities, namely Q-functions. Our calculation is done…

High Energy Physics - Theory · Physics 2018-11-14 Andrea Cavaglià , Nikolay Gromov , Fedor Levkovich-Maslyuk

We continue the study of random matrix universality in two-dimensional conformal field theories. This is facilitated by expanding the spectral form factor in a basis of modular invariant eigenfunctions of the Laplacian on the fundamental…

High Energy Physics - Theory · Physics 2023-12-27 Felix M. Haehl , Wyatt Reeves , Moshe Rozali

We consider systems of fermions evolved by non-interacting unitary circuits with correlated on-site potentials. When these potentials are drawn from the eigenvalue distribution of a circular random matrix ensemble, the single-particle…

Statistical Mechanics · Physics 2025-04-24 Michael O. Flynn , Lev Vidmar , Tatsuhiko N. Ikeda

Any local unitary 3d $\mathcal{N}=4$ superconformal field theory (SCFT) has a corresponding "universal" relevant deformation that takes it to a gapped phase. This deformation preserves all continuous internal symmetries, $\mathcal{S}$, and…

Symmetries and quantum anomalies serve as powerful tools for constraining complicated quantum many-body systems, offering valuable insights into low-energy characteristics based on their ultraviolet structure. Nevertheless, their…

Strongly Correlated Electrons · Physics 2024-09-10 Yunlong Zang , Yingfei Gu , Shenghan Jiang