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Related papers: A Field Guide to non-Onsager Quantum Oscillations …

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Context: Strings and other alternative theories describing the quantum properties of space-time suggest that space-time could present a foamy structure and also that, in certain cases, quantum gravity (QG) may manifest at energies much…

General Relativity and Quantum Cosmology · Physics 2011-09-29 Fabrizio Tamburini , Carmine Cuofano , Massimo Della Valle , Roberto Gilmozzi

It is shown that the Landau paradigm based upon both the quasiparticle concept and the notion of the order parameter is valid and can be used to explain the anomalous behavior of the heavy fermion metals near quantum critical points. The…

Strongly Correlated Electrons · Physics 2009-11-11 V. R. Shaginyan , A. Z. Msezane , M. Ya. Amusia

The metallic state of the underdoped high-Tc cuprates has remained an enigma: How may seemingly disconnected Fermi surface segments, observed in zero magnetic field as a result of the opening of a partial gap (the pseudogap), possess…

A kilohertz quasi-periodic oscillation (kHz QPO) is an observationally robust high-frequency timing feature detected from neutron star low-mass X-ray binaries (LMXBs). This feature can be very useful to probe the superdense core matter of…

High Energy Astrophysical Phenomena · Physics 2012-09-18 Arunava Mukherjee , Sudip Bhattacharyya

Out-of-time-ordered correlators (OTOCs) are a key observable in a wide range of interconnected fields including many-body physics, quantum information science, and quantum gravity. Measuring OTOCs using near-term quantum simulators will…

Out-of-time-ordered correlators (OTOCs) have been proposed as a tool to witness quantum information scrambling in many-body system dynamics. These correlators can be understood as averages over nonclassical multi-time quasi-probability…

Quantum Physics · Physics 2020-01-29 Razieh Mohseninia , José Raúl González Alonso , Justin Dressel

The continuous monitoring capability of Fermi-LAT has enabled the exploration of Quasi-Periodic Oscillations (QPOs) in the $\gamma$-ray light curve of blazar that has given a new perspective to probe these sources over a wide range of time…

High Energy Astrophysical Phenomena · Physics 2023-07-05 Avik Kumar Das , Raj Prince , Alok C. Gupta , Pankaj Kushwaha

In our previous work (Paper I) we applied several models of high-frequency quasi-periodic oscillations (HF QPOs) to estimate the spin of the central compact object in three Galactic microquasars assuming the possibility that the central…

High Energy Astrophysical Phenomena · Physics 2017-11-15 Andrea Kotrlová , Eva Šrámková , Gabriel Török , Zdeněk Stuchlík , Kateřina Goluchová

Quantum obesity (QO) is new function used to quantify quantum correlations beyond entanglement, which also works as a witness for entanglement. Thanks to its analyticity for arbitrary state of bipartite systems, it represents an advantage…

Quantum Physics · Physics 2024-12-31 Pedro Rosario , Alan C. Santos

In this work, we probe the well known thermodynamic phase structure of black hole through the lens of its quasi-periodic oscillations (QPOs). Can QPOs be influenced by black hole phase transitions? Do they carry any signature of such…

General Relativity and Quantum Cosmology · Physics 2026-05-25 Bidyut Hazarika , Prabwal Phukon

Transient quasi-periodic oscillations (QPOs) are extremely interesting observational phenomena. However, the precise physical mechanisms leading to their generation are still hotly debated. We performed a systematic search for transient QPO…

High Energy Astrophysical Phenomena · Physics 2024-10-01 Junping Chen , Jinjie Yu , Weitian Huang , Nan Ding

Accurate calculation of the phase lags of quasi-periodic oscillations (QPOs) will provide insight into their origin. In this paper we investigate the phase lag correction method which has been applied to calculate the intrinsic phase lags…

High Energy Astrophysical Phenomena · Physics 2022-07-20 Deng-Ke Zhou , Shuang-Nan Zhang , Li-Ming Song , Jin-Lu Qu , Liang Zhang , Xiang Ma , You-Li Tuo , Ming-Yu Ge , Yanan Wang , Shu Zhang , Lian Tao

We are at the midst of second quantum revolution where the mesoscopic quantum devies are actively employed for technological purposes. Despite this fact, the description of their real-time dynamics beyond the Fermi's golden rule remains a…

Quantum Physics · Physics 2023-09-19 Evgeny A. Polyakov

We zoom in on the internal structure of the low-frequency quasi-periodic oscillation (LF QPO) often observed in black hole binary systems to investigate the physical nature of the lack of coherence in this feature. We show the limitations…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Pawel Lachowicz , Chris Done

Within Bogoliubov-de Gennes theory, a semiclassical approximation is used to study quantum oscillations and to determine the Fermi surface area associated with these oscillations in a model of a $\pi$-striped superconductor, where the…

Superconductivity · Physics 2015-03-20 M. Zelli , Catherine Kallin , A. John Berlinsky

The standard description of quantum critical points takes into account only fluctuations of the order parameter, and treats quantum fluctuations as extra dimensions of classical fluctuations. This picture can break down in a qualitative…

Strongly Correlated Electrons · Physics 2007-05-23 Qimiao Si

Quasi-periodic oscillation (QPOs) analysis is important for understanding the dynamical behavior of many astrophysical objects during transient events such as gamma-ray bursts, solar flares, magnetar flares, and fast radio bursts. In this…

High Energy Astrophysical Phenomena · Physics 2023-12-07 Kuantay Boshkayev , Talgar Konysbayev , Yergali Kurmanov , Marco Muccino , Hernando Quevedo

Rock properties are environment- and condition-dependent which render field-laboratory comparisons ambiguous for a number of known and unknown reasons that constitute the upscaling problem. Unknowns are first transformed into knowns in a…

Geophysics · Physics 2023-01-03 Stian Rørheim

The transport of Bloch electrons under strong fields is traditionally understood through two mechanisms: intraband Bloch oscillations and interband Zener tunneling. Here, we propose an oscillation mechanism induced by the interband quantum…

Mesoscale and Nanoscale Physics · Physics 2025-03-26 Hui Zeng , Zijian Zhou , Wenhui Duan , Huaqing Huang

`Quantum Charge Liquid'(QCL), a new phase, is proposed to describe anomalous metallic properties (T < 100 K)of a density 'y' of doped holes with strong coulomb repulsions, in a band insulator NaCoO$_2$ with N sites. This phase, a quantum…

Strongly Correlated Electrons · Physics 2007-05-23 G. Baskaran
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