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๐Ÿ” sarmad hashmi ๐Ÿ“‚ Physics
Showing 1609 results for "sarmad hashmi" in Physics
Physics Preprint PDF DOI

HyPulse: A Pulse Synthesis Framework for Hybrid Qubit-Oscillator Gates on Trapped-Ion Platform

Masoud Hakimi Heris, Yuan Liu, Frank Mueller ยท 2026

As hybrid qubit-oscillator algorithm development and trapped-ion hardware demonstrations advance in parallel, there is a lack of a compilation layer connecting the two at the pulse level in the verticโ€ฆ

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Revisiting the mixing length scaling in pressure-gradient turbulent boundary layers via a symmetry approach

Weitao Bi ยท 2026

A century after Prandtl's mixing length hypothesis, full-profile scaling of the mixing length in pressure-gradient turbulent boundary layers (PG TBLs) remains debated, especially for adverse pressure โ€ฆ

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Quantitative Evaluation of Forward and Backward Scattering in Isotropic Turbulence via H\"anggi--Klimontovich and It\^o Stochastic Processes

Nicola de Divitiis ยท 2026

This work evaluates the magnitude of the turbulent energy cascade in terms of forward and backward scattering by modeling the "stretch and fold" mechanism through a drift-free Hanggi-Klimontovich stocโ€ฆ

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Physics Preprint PDF DOI

Floquet mobility edges and transport in a periodically driven generalized Aubry-Andr\'e model

Jayashis Das, Vatsana Tiwari, Manish Kumar, Auditya Sharma ยท 2026

We investigate the effect of a periodic electric field drive on the generalized Aubry-Andr\'e model, also known as the Ganeshan-Pixley-Das Sarma (GPD) model, which is well known as a host of mobility โ€ฆ

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Physics Preprint PDF DOI

Vortex structures in electron-positron pair production by two-colored fields

Adiljan Sawut, Ying-Jun Li, Hong-Hao Fan, Bai-Song Xie ยท 2026

We investigate the spin resolved vortex properties of electron positron pairs created from vacuum in time delayed, two color electromagnetic fields. By treating the temporal delay G as a continuous tuโ€ฆ

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Holography and Optimal Transport: Emergent Wasserstein Spacetime in Harmonic Oscillator, SYK and Krylov Complexity

Koji Hashimoto, Norihiro Tanahashi ยท 2026

Optimal transport and Wasserstein distance are prominent tools to quantify the space of probability distributions. From a novel viewpoint of manifold hypothesis in machine learning being a possible guโ€ฆ

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Scrambling of Entanglement from Integrability to Chaos: Bootstrapped Time-Integrated Spread Complexity

M. Suzen ยท 2026

A time-integrated measure of complexity is proposed for diagnosing the degree of quantum ergodicity. The scrambling dynamics of maximally entangled states within the ensemble of unitary evolutions areโ€ฆ

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Optical identification of the FASHI sources: toward the extended Local Volume

Aleksandra E. Nazarova, Dmitry I. Makarov, Igor D. Karachentsev, Chuan-Peng Zhang, Maksim I. Chazov, Ming Zhu ยท 2026

We extracted a list of 662 nearby (within $\sim16$ Mpc) HI-detection sources from the Five-hundred-meter Aperture Spherical radio Telescope (FAST) All Sky HI Survey (FASHI) and made a visual identificโ€ฆ

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Physics Preprint PDF DOI

Dimensional crossover in surface growth on rectangular substrates

Ismael S. S. Carrasco, Tiago J. Oliveira ยท 2026

In a recent work [Phys. Rev. E 109, L042102 (2024)], interesting dimensional crossovers [from two- to one-dimensional (2D to 1D) scaling] were found in the growth of Kardar-Parisi-Zhang (KPZ) interfacโ€ฆ

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Elastic softening and fracture in randomly perforated solids

Tero Makinen, Alessandro Taloni, Giulio Costantini, Davide Della Torre, Riccardo Donnini, Stefano Zapperi ยท 2026

We study the mechanical response of quasi-brittle polymethyl methacrylate (PMMA) specimens containing controlled random distributions of laser-cut holes. Tensile tests combined with digital image corrโ€ฆ

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Variational Dynamics of Open Quantum Spin Systems in Phase Space

Jacopo Tosca, Zejian Li, Francesco Carnazza, Cristiano Ciuti ยท 2026

We introduce a variational method for simulating the dynamics of interacting open quantum spin systems. The method is based on the spin phase-space representation and variationally targets the Husimi-โ€ฆ

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Optimization-Based Discovery of A Non-Attracting Flow State in An Oscillating-Cylinder Wake

Daiwei Dong, Wenbo Cao, Wei Suo, Jiaqing Kou, Weiwei Zhang ยท 2026

In the flow past a stationary circular cylinder, the classical Karman vortex street arises from a Hopf bifurcation of the steady flow at the critical Reynolds number. Although this solution becomes dyโ€ฆ

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Phase-space microscopes for quantum gases: Measuring conjugate variables and momentum-weighted densities

N. R. Cooper, Y. Yang, C. Weitenberg ยท 2026

Quantum gas microscopes offer unprecedented insights into quantum many-body states of cold atomic gases. Here we introduce concrete protocols for extending quantum gas microscopes to measure in phase โ€ฆ

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Can Quantum Field Theory be Recovered from Time-Symmetric Stochastic Mechanics? Part II: Prospects for a Trajectory Interpretation

Simon Friederich, Mritunjay Tyagi ยท 2026

In a companion paper we derived a unique time-reversal-invariant stochastic generalization of the Liouville equation and showed that it coincides with the evolution equation for the Husimi $Q$-functioโ€ฆ

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Krylov-space anatomy and spread complexity of a disordered quantum spin chain

Bikram Pain, David E. Logan, Sthitadhi Roy ยท 2026

We investigate the anatomy and complexity of quantum states in Krylov space, in the ergodic and many-body localised (MBL) phases of a disordered, interacting spin chain. The Krylov basis generated by โ€ฆ

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Direct numerical simulation of out-scale-actuated spanwise wall oscillation in turbulent boundary layers

Jizhong Zhang, Fazle Hussain, Jie Yao ยท 2026

Spanwise wall oscillation (SWO) of turbulent boundary layers (TBLs) is investigated via direct numerical simulations over an extended actuation region with oscillation periods up to T_{sc}^+=600, scalโ€ฆ

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Data-calibrated point spread function prediction: General description of the method and demonstration on MUSE-NFM

Arseniy Kuznetsov, Benoit Neichel, Sylvain Oberti, Thierry Fusco ยท 2026

Precise knowledge of the point spread function (PSF) underpins many data analysis steps in astronomy, from photometry and astrometry to source de-blending and deconvolution. In adaptive optics (AO) obโ€ฆ

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HI Gas and Star Formation in Major Galaxy Pairs from the FAST All-Sky HI Survey (FASHI)

Shulan Yan, Qingzheng Yu, Taotao Fang, Chuan He, Andrew Ma, Junfeng Wang, C.Kevin Xu, Ming Zhu, Weishan Zhu ยท 2026

Atomic hydrogen (HI) plays a fundamental role in fueling star formation in galaxies. However, the behavior of HI gas in interacting systems, particularly galaxy pairs, remains elusive. In this work, wโ€ฆ

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Can Quantum Field Theory be Recovered from Time-Symmetric Stochastic Mechanics? Part I: Generalizing the Liouville Equation

Simon Friederich, Mritunjay Tyagi ยท 2026

We explore whether quantum field theory can be understood as the statistical mechanics of a time-reversal-invariant stochastic generalization of Hamiltonian dynamics. The motivation for this project, โ€ฆ

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CSST-PSFNet: A Point Spread Function Reconstruction Model for the CSST Based on Deep Learning

Peipei Wang, Peng Wei, Chao Liu, Rui Wang, Feng Wang, Xin Zhang ยท 2026

This paper presents CSST-PSFNet, a deep learning method for high-fidelity point spread function (PSF) reconstruction developed for the Chinese Space Station Survey Telescope (CSST). The model integratโ€ฆ

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