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๐Ÿ” deepak agarwal ๐Ÿ“‚ Physics
Showing 3200 results for "deepak agarwal" in Physics
Physics Preprint PDF DOI

Hardware-Efficient Hamiltonian Simulation via Trotter-Initialized Variational Optimization with Native Placement

F. S. Luiz, P. N. Ferreira, M. C. de Oliveira ยท 2026

Compiling time-evolution operators of the form $U(t)=e^{-iHt}$ into hardware-native gate sequences is a central bottleneck for digital quantum simulation on noisy intermediate-scale quantum (NISQ) devโ€ฆ

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Physics Preprint PDF DOI

Reduced-order modeling of a viscoelastic turbulent jet with hybrid machine learning models

Christian Amor, Adrian Corrochano, Marco Edoardo Rosti, Soledad Le Clainche ยท 2026

Adding flexible polymers to a Newtonian solvent confers complex properties to the resulting solution. The additional complexity substantially increases the computational cost of numerical simulations,โ€ฆ

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Physics Preprint PDF DOI

Robust Metal-Insulator Transition Despite Surface Dead-Layer Growth in Sub-10-nm Cr-Doped V2O3 Nanocrystals

Yoichi Ishiwata, Ichidai Harada, Masaki Imamura, Kazutoshi Takahashi, Hirofumi Ishii, Masato Yoshimura, Nozomu Hiraoka, Yuji Inagaki, Kenta Akashi, Tatsuya Kawae, Tetsuya Kida, Masashi Nantoh ยท 2026

We investigated the size dependence of the metal-insulator transition (MIT) in Cr-doped V2O3 nanocrystals by photoemission spectroscopy using complementary probing depths, together with magnetic susceโ€ฆ

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Physics Preprint PDF DOI

CSST Preparations: Galaxy Completeness and S\'ersic Profile Fitting across the Wide, Deep, and Extreme Fields

Ziqi Ma, Si-Yue Yu, Taotao Fang, Jinyi Shangguan, Zhao-Yu Li, Luis C. Ho ยท 2026

The upcoming imaging survey of the Chinese Space-station Survey Telescope (CSST) will deliver high-resolution imaging of an unprecedented number of galaxies for galaxy studies. To understand CSST's caโ€ฆ

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Physics Preprint PDF DOI

Thermal instability in coronal loops: linking eigenvalue spectra to time-dependent evolution

Adrian Kelly, Rony Keppens, Jordi De Jonghe ยท 2026

Cool, dense condensations such as coronal rain and prominences suggest that coronal plasma can undergo runaway radiative cooling. Connecting this behaviour to linear thermal modes requires us to fullyโ€ฆ

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Physics Preprint PDF DOI

Observation of Erratic Non-Hermitian Skin Effect in Phononic Crystals

Yujian Yuan, Jie Liu, He Gao, Jiamin Guo, Zhongming Gu, Jie Zhu ยท 2026

The erratic non-Hermitian skin effect (ENHSE), emerging from the interplay between disorders and locally nonreciprocal yet globally reciprocal couplings, has reshaped the conventional bulk-boundary coโ€ฆ

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Physics Preprint PDF DOI

Fraunhofer Patterns in Atomic Josephson Junctions

Kevin T. Geier, Giampiero Marchegiani, Vijay Pal Singh, Juan Polo, Luigi Amico ยท 2026

Driven atomic Josephson junctions allow one to monitor phase-coherent dynamics with unprecedented control and flexibility of the system's physical conditions. While cold-atom manifestations of the Josโ€ฆ

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Physics Preprint PDF DOI

Resonance Frequency Shift Measurements of SRF Cavities at DESY

Rezvan Ghanbari, Thorsten Buettner, Wolfgang Hillert, Karol Kasprzak, Tom Krokotsch, Ricardo Monroy-Villa, Detlef Reschke, Lea Steder, Alexey Sulimov, Hans Weise, Marc Wenskat, Mateusz Wiencek, Jonas Wolff ยท 2026

The variation of the resonance frequency and intrinsic quality factor of superconducting radio-frequency cavities during the transition from the superconducting to the normal-conducting state providesโ€ฆ

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Physics Preprint PDF DOI

Dive deeper with SUBMARINE: SUB-Mev dArk matter diRect detectIon using bilayer grapheNE

Rinchen Sherpa, Anuvab Sarkar, Tarak Nath Maity, Paramita Dutta, Ranjan Laha, Anirban Das ยท 2026

Novel target materials with anisotropic response will play a key role in detecting low-mass dark matter in upcoming experiments. Bilayer graphene is one such material that has been proposed for the deโ€ฆ

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Physics Preprint PDF DOI

Chaotic dynamics of charged particles near weakly magnetized black holes in Einstein-ModMax Theory

Zijian Liu, Wenfu Cao ยท 2026

This paper presents a systematic study of the chaotic dynamics of charged test particles around purely magnetically charged black holes immersed in a uniform external magnetic field within the framewoโ€ฆ

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Physics Preprint PDF DOI

Quantum mechanics over real numbers fully reproduces standard quantum theory

Alan C. Maioli, Evaldo M. F. Curado, Jean-Pierre Gazeau ยท 2026

Standard quantum mechanics employs complex Hilbert spaces, but whether complex numbers are fundamental or merely convenient has long been debated. For decades, real-valued equivalents were considered โ€ฆ

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Physics Preprint PDF DOI

Active-region Modulation of Subsurface Meridional Flows and Magnetic Flux Transport on the Sun

Anisha Sen, S.P. Rajaguru, Ruizhu Chen, Junwei Zhao, Shukur Kholikov ยท 2026

Using time-distance helioseismology applied to 14-years of SDO/HMI observations spanning solar cycle 24 and rising phase of cycle 25, we present evidence that meridional flows in the lower half of theโ€ฆ

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Unraveling the significance of Raman modes, Gruneisen parameters and phonon lifetimes in the hexagonal allotropes of Silicon and Germanium compounds

Lekshmi S M, Upasana Agrawal, Akarsh Jain, Siddharth Sastri, Suvadip Das ยท 2026

Advancement in quantum information and quantum technologies has ushered in a new era of technological revolution in large scale atomistic simulation and efficient system on a chip device fabrication. โ€ฆ

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Physics Preprint PDF DOI

Transiently accelerating cosmological model with Gong-Zhang parametrization in $f(T)$ teleparallel gravity

Khomesh R. Patle, G. P. Singh ยท 2026

We present the cosmic expansion scenario in the framework of $f(T)$ gravity by employing a dark energy equation of state (EoS) parameter. Specifically, we proceed with the power-law form of the functiโ€ฆ

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Physics Preprint PDF DOI

Deeper analysis of Fermi-LAT unassociated 4FGL J2112.5-3043 for possible identification

Federica Giacchino, Cristina Fernandez-Suarez, Miguel A Sanchez-Conde, M.Angeles Perez-Garcia, Stefano Ciprini, Dario Gasparrini ยท 2026

In the 4FGL-DR4 point-source catalog of the Large Area Telescope (LAT) onboard NASA's Fermi Gamma-ray Observatory (Fermi-LAT), around a third of the sources are still unidentified (unIDs). In this worโ€ฆ

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Physics Preprint PDF DOI

Revisiting Ca II Activity Indices in FGK Stars: Systematic Biases in Infrared Triplet Measurements

Xiaozhen Yang, Xiaoting Fu, Mingjie Jian, Jingkun Zhao, Hailong Yuan, Zhongrui Bai, Mengxin Wang, Yiqiao Dong, Mingkuan Yang, Ziyue Jiang, Qian Liu, Ganyu Li, Haotong Zhang ยท 2026

Synthetic-template subtraction is widely used to measure chromospheric activity in large spectroscopic surveys. However, many solar-like FGK stars show systematically negative Ca II infrared triplet (โ€ฆ

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Quantum Chaos in Phase Space

Martina Hentschel ยท 2026

Mesoscopic devices, with system sizes in the range of several to several dozens wavelengths, represent paradigmatic model systems for the observation of quantum chaotic behaviour based on semiclassicaโ€ฆ

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Beyond the Standard Model of Cosmology: Testing new paradigms with a Multiprobe Exploration of the Dark Universe

Juan Garcia-Bellido ยท 2026

Cosmology is living through fascinating times, where new observations from ground and space telescopes are questioning the established paradigm, the so-called Lambda Cold Dark Matter model. The particโ€ฆ

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Physics Preprint PDF DOI

Strong gravitational lensing and Quasiperiodic oscillations as a probe for an electrically charged Lorentz symmetry-violating black hole

Sohan Kumar Jha ยท 2026

This study examines the combined effect of electric charge and Lorentz symmetry breaking (LSB) on the observables of strong gravitational lensing (SGL) and the dynamics of quasiperiodic oscillations (โ€ฆ

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Oxophilic Silver-Based Nanoparticles with Low Pd-Au Loading for Ethanol and Glycerol Electrooxidation in Alkaline Media

Tuani Carla Gentil, Camilo Andrea Angelucci, Bruno Lemos Batista, Camila Neves Lange, Handro S. N. Lourenco, Mauro Coelho dos Santos, Vinicius Del Colle, Germano Tremiliosi-Filho ยท 2026

The electrocatalytic activity of oxophilic Ag nanoparticles, combined with small amounts of Pd and Au, was investigated for ethanol oxidation reactions (EOR) and glycerol oxidation reactions (GOR) in โ€ฆ

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