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๐Ÿ” arnab maity ๐Ÿ“‚ Physics
Showing 31 results for "arnab maity" in Physics
Physics Preprint PDF DOI

Precision Spectroscopy of the Fine Structure in the $\boldsymbol{a\;{}^3\Sigma_u^+(v=0)}$ and $\boldsymbol{c\;{}^3\Sigma_g^+(v=4)}$ States of the Helium Dimer

V. Wirth, M. Holdener, F. Merkt ยท 2025

With four electrons, He$_2$ is one of very few molecules for which first-principles quantum-chemical calculations that include the treatment of nonadiabatic, relativistic and quantum-electrodynamics cโ€ฆ

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Physics Preprint PDF DOI

METIS high-contrast imaging: from final design to manufacturing and testing

Olivier Absil, Matthew Kenworthy, Christian Delacroix, Gilles Orban de Xivry, Lorenzo Konig, Prashant Pathak, David Doelman, Emiel Por, Frans Snik, Joost van den Born, Faustine Cantalloube, Alexis Carlotti, Benjamin Courtney-Barrer, Pontus Forsberg, Mikael Karlsson, Thomas Bertram, Roy van Boekel, Dennis Dolkens, Markus Feldt, Adrian M. Glauser, Eric Pantin, Sascha P. Quanz, Felix Bettonvil, Bernhard Brandl ยท 2024

The Mid-infrared ELT Imager and Spectrograph (METIS) is one of the first-generation scientific instruments for the ELT, built under the supervision of ESO by a consortium of research institutes acrossโ€ฆ

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Physics Preprint PDF DOI

Two dimensional effects of laser interacting with magnetized plasma

Laxman Prasad Goswami, Amita Das, Anuj Vijay ยท 2023

Recent advancements in low-frequency short-pulse $CO_2$ lasers and the production of strong magnetic fields have made experimental studies on laser interactions with magnetized plasma a near-future poโ€ฆ

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Physics Preprint PDF DOI

Engineering of Niobium Surfaces Through Accelerated Neutral Atom Beam Technology For Quantum Applications

Soumen Kar, Conan Weiland, Chenyu Zhou, Ekta Bhatia, Brian Martinick, Jakub Nalaskowski, John Mucci, Stephen Olson, Pui Yee Hung, Ilyssa Wells, Hunter Frost, Corbet S. Johnson, Thomas Murray, Vidya Kaushik, Sean Kirkpatrick, Kiet Chau, Michael J. Walsh, Mingzhao Liu, Satyavolu S. Papa Rao ยท 2023

A major roadblock to scalable quantum computing is phase decoherence and energy relaxation caused by qubits interacting with defect-related two-level systems (TLS). Native oxides present on the surfacโ€ฆ

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Physics Preprint PDF DOI

DarkPack: A modular software to compute BSM squared amplitudes for particle physics and dark matter observables

M. Palmiotto, A. Arbey, F. Mahmoudi ยท 2022

We present here a new package to automatically generate a complete library of 2 to 2 squared amplitudes at leading order in any New Physics models. The package is written in C++ and based on the MARTYโ€ฆ

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Canonical Four-Wave-Mixing in Photonic Crystal Resonators: tuning, tolerances and scaling

Alexandre Chopin, Gabriel Marty, Ines Ghorbel, Greegory Moille, Aude Martin, Sylvain Combrie, Fabrice Raineri, Alfredo De Rossi ยท 2022

Canonical Four-Wave-Mixing occurs in a resonator with only the required number of modes, thereby inhibiting competing parametric processes. The properties of the recently introduced photonic crystal pโ€ฆ

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Physics Preprint PDF DOI

The MARTY user interface for the calculation of general Wilson coefficients

G. Uhlrich ยท 2022

The calculation of one-loop Wilson coefficients for general Beyond the Standard Model (BSM) scenarios is a technical challenge often addressed by doing long and error prone analytical calculations by โ€ฆ

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Flavour anomalies in supersymmetric scenarios with non-minimal flavour violation

M.A. Boussejra, F. Mahmoudi, G. Uhlrich ยท 2022

Motivated by tensions between experimental measurements and SM predictions in $b\to s \ell^+\ell^-$ transitions, we present the first study of non-minimal flavour-violating Minimal Supersymmetric Stanโ€ฆ

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Automatic extraction of one-loop Wilson coefficients in general BSM scenarios using MARTY-1.4

G. Uhlrich, F. Mahmoudi, A. Arbey ยท 2021

We present a fully automated procedure providing an easy way to perform, systematically, phenomenological analyses in flavor physics for general BSM scenarios. This procedure relies on MARTY-1.4, is mโ€ฆ

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Physics Preprint PDF DOI

Quantum Boosting using Domain-Partitioning Hypotheses

Debajyoti Bera, Rohan Bhatia, Parmeet Singh Chani, Sagnik Chatterjee ยท 2021

Boosting is an ensemble learning method that converts a weak learner into a strong learner in the PAC learning framework. Freund and Schapire designed the Godel prize-winning algorithm named AdaBoost โ€ฆ

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Nonperturbative renormalization for the neural network-QFT correspondence

Harold Erbin, Vincent Lahoche, Dine Ousmane Samary ยท 2021

In a recent work arXiv:2008.08601, Halverson, Maiti and Stoner proposed a description of neural networks in terms of a Wilsonian effective field theory. The infinite-width limit is mapped to a free fiโ€ฆ

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Physics Preprint PDF DOI

Semi-automated BSM model building procedures in MARTY-1.1 through a 2HDM example

G. Uhlrich, F. Mahmoudi, A. Arbey ยท 2021

MARTY is a C++ computer algebra system specialized for High Energy Physics that can calculate amplitudes, squared amplitudes and Wilson coefficients in a large variety of beyond the Standard Model sceโ€ฆ

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MARTY, a new C++ framework for automated symbolic calculations in Beyond the Standard Model physics

G. Uhlrich, F. Mahmoudi, A. Arbey ยท 2020

Theoretical calculations Beyond the Standard Model (BSM) constitute a challenge for high energy physicists, but are necessary when searching for New Physics. The predictions of a BSM scenario need to โ€ฆ

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Physics Preprint PDF DOI

Free Volume Power Law for Transport Properties of Hard Sphere Fluid

Hongqin Liu ยท 2020

This paper presents a study on the relationship between transport properties and geometric free volume for hard sphere (HS) system in dense fluid region. Firstly, a generic free volume distribution fuโ€ฆ

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Physics Preprint PDF DOI

MARTY -- Modern ARtificial Theoretical phYsicist: A C++ framework automating symbolic calculations Beyond the Standard Model

G. Uhlrich, F. Mahmoudi, A. Arbey ยท 2020

Studies Beyond the Standard Model (BSM) will become more and more important in the near future with a rapidly increasing amount of data from different experiments around the world. The full study of Bโ€ฆ

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Physics Preprint PDF DOI

Improved Quantum Boosting

Adam Izdebski, Ronald de Wolf ยท 2020

Boosting is a general method to convert a weak learner (which generates hypotheses that are just slightly better than random) into a strong learner (which generates hypotheses that are much better thaโ€ฆ

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Pairing, quasi-spin and seniority

Bijay Kumar Agrawal, Bhoomika Maheshwari ยท 2020

We present our concise notes for the lectures and tutorials on pairing, quasi-spin and seniority delivered at SERB school on Role of Symmetries in Nuclear Physics, AMITY University, $2019$. Starting wโ€ฆ

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Modeling and Simulation of Solar Photovoltaic Cell for the Generation of Electricity in UAE

Shadman Sakib, Md. Abu Bakr Siddique ยท 2019

This paper proposes the implementation of a circuit based simulation for a Solar Photovoltaic (PV) cell in order to get the maximum power output. The model is established based on the mathematical modโ€ฆ

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Minimal plateau inflationary cosmologies and constraints from reheating

Debaprasad Maity, Pankaj Saha ยท 2019

With the growing consensus on simple power law inflation models not being favored by the PLANCK observations, dynamics for the non-standard inflation gain significant interest in the recent past. In tโ€ฆ

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Magnetic Field Dependence of Spin Glass Free Energy Barriers

Samaresh Guchhait, Raymond L. Orbach ยท 2017

We measure the field dependence of spin glass free energy barriers in a thin amorphous Ge:Mn film through the time dependence of the magnetization. After the correlation length $\xi(t, T)$ has reachedโ€ฆ

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