English
Related papers

Related papers: A Note on QPE Timing: False Alarms in O-C

200 papers

We present emergent ergosurfaces (ES) in a transition layer between type-I and type-II Weyl semimetals (WSMs). The Hawking temperature defined by the surface gravity at the acoustic event horizon which coincides with the ES when the tangent…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Yu-Ge Chen , Xi Luo , Fei-Ye Li , Bin Chen , Yue Yu

A global protocol for the thermostatistical analysis of hot nuclear sources is discussed. Within our method of minimization of variances we show that the abnormal kinetic energy fluctuation signal recently reported in different experimental…

Dynamical decoupling (DD) is a widely-used quantum control technique that takes advantage of temporal symmetries in order to partially suppress quantum errors without the need resource-intensive error detection and correction protocols.…

Logical qubits can be protected from decoherence by performing QEC cycles repeatedly. Algorithms for fault-tolerant QEC must be compiled to the specific hardware platform under consideration in order to practically realize a quantum memory…

Quantum Physics · Physics 2025-05-13 Sascha Heußen , David F. Locher , Markus Müller

The important question of absolute dating of seismic phenomena has been the study of several researchers over the past few decades. The relevant research has concentrated on 'energy traps' of minerals, such as quartz or feldspar, which may…

Out-of-time-ordered correlation (OTOC) functions have been used as an indicator of quantum chaos in a lot of physical systems. In this work, we computationally demonstrate that zerotemperature OTOC can detect quantum phase transition in…

Quantum Gases · Physics 2021-11-17 Jihan Hu , Shaolong Wan

Currently, machine learning is widely used across various domains, including time series data analysis. However, some machine learning models function as black boxes, making interpretability a critical concern. One approach to address this…

Machine Learning · Computer Science 2025-12-01 Keita Kinjo

We analyse the relationship between irrationality and quasiperiodicity in nonlinear driven systems. To that purpose we consider a nonlinear system whose steady-state response is very sensitive to the periodic or quasiperiodic character of…

Statistical Mechanics · Physics 2014-05-07 David Cubero , Jesus Casado-Pascual , Ferruccio Renzoni

We report the discovery of a 1mHz optical quasi-periodic oscillation (QPO) in the candidate ultracompact low-mass X-ray binary 4U 0614+091. The ultra-low frequency QPO has no X-ray counterpart in contemporaneous RXTE/PCA data and is likely…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Y. Zhang , R. I. Hynes , E. L. Robinson

Low and intermediate frequency quasi-periodic oscillations (QPOs) are thought to be due to oscillations of Comptonizing regions or hot regions embedded in Keplerian discs. Observational evidence of evolutions of QPOs would therefore be very…

High Energy Astrophysical Phenomena · Physics 2013-08-05 Sandip K. Chakrabarti , Broja G. Dutta , P. S. Pal

Measuring quasinormal modes (QNMs) during the ringdown phase of binary black hole coalescences provides key insights into merger dynamics and enables tests of the no-hair theorem. The QNM rational filter has recently been introduced as a…

General Relativity and Quantum Cosmology · Physics 2025-08-12 Neil Lu , Sizheng Ma , Ornella J. Piccinni , Ling Sun , Eliot Finch

The time-delay-based reservoir computing setup has seen tremendous success in both experiment and simulation. It allows for the construction of large neuromorphic computing systems with only few components. However, until now the interplay…

Adaptation and Self-Organizing Systems · Physics 2021-08-09 Florian Stelzer , André Röhm , Kathy Lüdge , Serhiy Yanchuk

Fuel efficient Homogeneous Charge Compression Ignition (HCCI) engine combustion timing predictions must contend with non-linear chemistry, non-linear physics, period doubling bifurcation(s), turbulent mixing, model parameters that can drift…

Machine Learning · Computer Science 2015-05-07 Adam Vaughan , Stanislav V. Bohac

We have calculated the 6s-7s parity nonconserving (PNC) E1 transition amplitude, E_{PNC}, in cesium. We have used an improved all-order technique in the calculation of the correlations and have included all significant contributions to…

High Energy Physics - Phenomenology · Physics 2009-08-18 V. A. Dzuba , V. V. Flambaum , J. S. M. Ginges

The richness of the data set, collected by the INDRA collaboration during the last twenty years, enabled us to build a set of caloric curves for nuclei of various sizes, by using, for the first time, a single experimental set-up and a…

Nuclear Experiment · Physics 2019-08-21 E. Vient

Quasi-Periodic Oscillations (QPOs) are very puzzling since they remain totally unexplained by popular earlier models of accretion disks. The significant rms value in power density spectrum implies that the oscillation involves in the…

High Energy Astrophysical Phenomena · Physics 2009-03-10 Sandip K. Chakrabarti , D. Debnath , P. S. Pal , A. Nandi , R. Sarkar , M. M. Samanta , P. J. Wiita , H. Ghosh , D. Som

Achieving industrial quantum advantage is unlikely without the use of quantum error correction (QEC). Other QEC codes beyond surface code are being experimentally studied, such as color codes and quantum Low-Density Parity Check (qLDPC)…

Context: Some apparently quiescent supermassive black holes (BHs) at centers of galaxies show quasi-periodic eruptions (QPEs) in the X-ray band, the nature of which is still unknown. A possible origin for the eruptions is an accretion disk,…

High Energy Astrophysical Phenomena · Physics 2024-11-27 Anna Chashkina , Omer Bromberg , Amir Levinson , Ehud Nakar

Quantum simulation of molecular electronic structure is one of the most promising applications of quantum computing. However, achieving chemically accurate predictions for strongly correlated systems requires quantum phase estimation (QPE)…

Quantum Physics · Physics 2026-03-31 Shota Kanasugi , Riki Toshio , Kazunori Maruyama , Hirotaka Oshima

Errors are inevitable during all kinds quantum informational tasks and quantum error-correcting codes (QECCs) are powerful tools to fight various quantum noises. For standard QECCs physical systems have the same number of energy levels.…

Quantum Physics · Physics 2015-06-05 Zhuo Wang , Sixia Yu , Heng Fan , C. H. Oh